There are no zero pairs in the expression.
To calculate the number of zero pairs in statement 9 + (-16), we need to clarify the expression and determine any matching positive and negative numbers.
In this respect, 9 and -16 have unlike signs. To simplify, we can rewrite the expression as 9 - 16, which is similar to adding the opposite of 16.
Here, let's look for zero pairs. A zero pair incorporate a positive and negative number that cancel each other out and occur in a sum of zero.
In the expression 9 - 16, there are no identical positive and negative numbers.
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Please answer ASAP I will brainlist
I can't really see the graph clearly but I think that the x-intercepts should be (-16/7, 0) and (32/7, 0).
Answer:
x-intercepts: -2, 4
Step-by-step explanation:
The given graph shows a parabola that opens downwards.
The y-intercept is the point at which the curve crosses the y-axis, so when x = 0. From inspection of the given graph, we can see that the parabola crosses the y-axis when y = 8. Therefore, the y-intercept is (0, 8).
The x-intercepts are the points at which the curve crosses the x-axis, so when y = 0. From inspection of the given graph, we can see that the parabola crosses the x-axis when x = -2 and x = 4. Therefore, the x-intercepts are (-2, 0) and (4, 0).
please answer ASAP I will brainlist
Answer:
Below, rises, more, 2, 5
Step-by-step explanation:
Its an positive exponential growth function which means it increases sharply to the right it also is above the x-axis.
The graph is 2 times the graph of 5^x so its steeper or rises more
Plug in 0 to get 1*2=2
Plug in 1 to get 5*1=5
Please answer ASAP I will brainlist
Answer:
x = - 2 , x = 4
Step-by-step explanation:
the x- intercepts are the points on the x- axis where the graph crosses
the graph crosses the x - axis at - 2 and 4 , then
x- intercepts are x = - 2 , x = 4
Describe in words where √30^(3) would be plotted on a number line.
The cube root of 30 would be between 3 and 4, but closer to 3.
How to find cube root of a number?Cube root is the number that needs to be multiplied three times to get the original number.
The cube root of a number can be determined by using the prime factorization method. In order to find the cube root of a number:
Step 1: Start with the prime factorization of the given number.
Step 2: Then, divide the factors obtained into groups containing three same factors.
Step 3: After that, remove the cube root symbol and multiply the factors to get the answer. If there is any factor left that cannot be divided equally into groups of three, that means the given number is not a perfect cube and we cannot find the cube root of that number.
We have to find the cube root of 30.
Prime factorization of 30 = [tex]2\times3\times5[/tex].
Therefore the cube root of 30 = [tex]\sqrt[3]{ (2\times3\times5)}= \sqrt[3]{30}[/tex].
As [tex]\sqrt[3]{30}[/tex] cannot be reduced further, then the result for the cube root of 30 is an irrational number as well.
So here we will use approximation method to find the cube root of 30 using Halley's approach:
Halley’s Cube Root Formula:
[tex]{\sqrt[3]{\text{a}} = \dfrac{\text{x}[(\text{x}^3 + 2\text{a})}{(2\text{x}^3 + \text{a})]}}[/tex]
The letter “a” stands in for the required cube root computation.
Take the cube root of the nearest perfect cube, “x” to obtain the estimated value.
Here we have a = 30
and we will substitute x = 3 because 3³ = 27 < 30 is the nearest perfect cube.
Substituting a and x in Halley's formula,
[tex]\sqrt[3]{30} = \dfrac{3[(3^3 + 2\times30)}{(2\times3^3 + 30)]}[/tex]
[tex]= \dfrac{3[(27+60)}{(54+30)]}[/tex]
[tex]= 3\huge \text(\dfrac{87}{84} \huge \text)[/tex]
[tex]= 3\times1.0357[/tex]
[tex]\bold{\sqrt[3]{30} = 3.107}[/tex].
Hence, the cube root of 30 is 3.107.
Therefore, we can conclude that the cube root of 30 would be between 3 and 4, but closer to 3.
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Complete question:
Describe in words where cube root of 30 would be plotted on a number line.
A. Between 3 and 4, but closer to 3
B. Between 3 and 4, but closer to 4
C. Between 2 and 3, but closer to 2
D. Between 2 and 3, but closer to 3
What is the slope of a line that is parallel to the line whose equation is ax+by=c ? A. ab B. −ba C. −ab D. ba
1. Replacement value: $270,000; coverage 80%
The insurance policy would cover up to $216,000 for the item or property.
If the replacement value of an item or property is $270,000 and your insurance policy provides coverage for 80% of the replacement value, it means that your insurance policy will cover up to 80% of the $270,000 in the event of a covered loss.
To calculate the coverage amount, you would multiply the replacement value by the coverage percentage:
Coverage Amount = Replacement Value * Coverage Percentage
In this case:
Coverage Amount = $270,000 * 0.80
Coverage Amount = $216,000
Therefore, your insurance policy would cover up to $216,000 for the item or property in question. Any losses exceeding this coverage amount would not be covered by your insurance policy.
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simplify 9 1/2 x 9 1/2 using radical form
answers to choose from are
3, 9, 81 or 6561
Answer:
[tex] \sqrt{9} \sqrt{9} = 9[/tex]
NO LINKS!! URGENT HELP PLEASE!!
Please help with 36
Answer:
Step-by-step explanation:
Let the centre be C.
Since TR is a straight line,
∠SCT + ∠SCR = 180
∠SCT = 180 - 53
∠SCT = 127
The angle of a semicircle is 180°. Minor arcs are arcs less than a semicircle i.e. less than 180° and major arcs are arcs greator than a semicircle i.e. greater than 180°.
a) arc(SPT) has measure of 90 + 65 + 25 + 53 = 233° > 180° and hence a major arc
Also 1° = π/180 radians
233° = 233 * π/180 = 1.29π radians
b) arc(ST) has measure of 127° < 180° and hence a minor arc
127° = 127 * π/180 = 0.71π radians
c) arc(RST) has a measure of 53 + 127 = 180° which is a semicircle
180° = 180* π/180 = π radians
d) arc(SP) has a measure of 53 + 25 + 65 = 143° < 180° and hence a minor arc
143° = 143* π/180 = 0.79π radians
e) arc(QST) has a measure of 25 + 53 + 127 = 205° > 180° and hence a major arc
205° = 205 * π/180 = 1.14π radians
f) arc(TQ) has a measure of 90 + 65 = 155° < 180° and hence a minor arc
155° = 155 * π/180 = 0.86π radians
Answer:
[tex]\text{a.} \quad \text{Major arc}:\;\;\overset{\frown}{SPT}=233^{\circ}[/tex]
[tex]\text{b.} \quad \text{Minor arc}:\;\;\overset{\frown}{ST}=127^{\circ}[/tex]
[tex]\text{c.} \quad \text{Semicircle}:\;\;\overset{\frown}{RST}=180^{\circ}[/tex]
[tex]\text{d.} \quad \text{Minor arc}:\;\;\overset{\frown}{SP}=143^{\circ}[/tex]
[tex]\text{e.} \quad \text{Major arc}:\;\;\overset{\frown}{QST}=205^{\circ}[/tex]
[tex]\text{F.} \quad \text{Minor arc}:\;\;\overset{\frown}{TQ}=155^{\circ}[/tex]
Step-by-step explanation:
Major ArcA major arc is an arc in a circle that measures more than 180°.
It is named with three letters: two endpoints and a third point on the arc.
Minor ArcA minor arc is an arc in a circle that measures less than 180°.
It is named with two letters: its two endpoints.
SemicircleA semicircle is a special case of an arc that measures exactly 180°.
The endpoints of the semicircle are located on the diameter, and the semicircle divides the circle into two equal parts.
Arc of a circleThe measure of an arc of a circle is equal to the measure of its corresponding central angle.
[tex]\hrulefill[/tex]
a) Arc SPT is a major arc since it is named with three letters.
It begins at point S, passes through point P, and ends at point T.
[tex]\begin{aligned}\overset{\frown}{SPT}&=\overset{\frown}{SR}+\overset{\frown}{RQ}+\overset{\frown}{QP}+\overset{\frown}{PT}\\&=53^{\circ}+25^{\circ}+65^{\circ}+90^{\circ}\\&=233^{\circ}\end{aligned}[/tex]
[tex]\hrulefill[/tex]
b) Arc ST is a minor arc since it is named with two letters.
It is measured in a counterclockwise direction from point S to point T.
[tex]\begin{aligned}\overset{\frown}{ST}&=360^{\circ}-\overset{\frown}{SPT}\\&=360^{\circ}-233^{\circ}\\&=127^{\circ}\end{aligned}[/tex]
[tex]\hrulefill[/tex]
c) Arc RST is a semicircle.
Arc RST is a semicircle since its endpoints are located on the diameter of the circle, RT.
[tex]\overset{\frown}{RST}=180^{\circ}[/tex]
[tex]\hrulefill[/tex]
d) Arc SP is a minor arc since it is named with two letters.
It is measured in a clockwise direction from point S to point P.
(If it was measured in a counterclockwise direction, it would be a major arc, as it would be more than 180°, and therefore would be named using three letters).
[tex]\begin{aligned}\overset{\frown}{SP}&=\overset{\frown}{SR}+\overset{\frown}{RQ}+\overset{\frown}{QP}\\&=53^{\circ}+25^{\circ}+65^{\circ}\\&=143^{\circ}\end{aligned}[/tex]
[tex]\hrulefill[/tex]
e) Arc QST is a major arc since it is named with three letters.
It begins at point Q, passes through point S, and ends at point T.
[tex]\begin{aligned}\overset{\frown}{QST}&=\overset{\frown}{QR}+\overset{\frown}{RS}+\overset{\frown}{ST}\\&=25^{\circ}+53^{\circ}+127^{\circ}\\&=205^{\circ}\end{aligned}[/tex]
[tex]\hrulefill[/tex]
f) Arc TQ is a minor arc since it is named with two letters.
It is measured in a counterclockwise direction from point T to point Q.
(If it was measured in a clockwise direction, it would be a major arc, as it would be more than 180°, and therefore would be named using three letters).
[tex]\begin{aligned}\overset{\frown}{TQ}&=\overset{\frown}{TP}+\overset{\frown}{PQ}\\&=90^{\circ}+65^{\circ}\\&=155^{\circ}\end{aligned}[/tex]
Var(X), where X is any random variable, is equals to:
Select one:
a. E(X2)-(E(X))2
b. None of the above
c. (E(X))2
d. E(X2)
e. E(X2)+(E(X))2
Note: Answer E is NOT the correct answer. Please find the correct answer. Any answer without justification will be rejected automatically.
The correct answer is option (a): Var(X) = E(X^2) - (E(X))^2.
The variance of a random variable X is defined as the average of the squared differences between each value of X and its expected value (E(X)). Mathematically, it can be expressed as Var(X) = E((X - E(X))^2).
Expanding the squared term, we have Var(X) = E(X^2 - 2XE(X) + (E(X))^2). Distributing and rearranging, we get Var(X) = E(X^2) - 2E(X)E(X) + (E(X))^2. Simplifying, we obtain Var(X) = E(X^2) - (E(X))^2.
find the length of IG
The length of line segment IG of the circle using the chord-chord power theorem is 6.
What is the length of line segment IG?Chord-chord power theorem simply state that "If two chords of a circle intersect, then the product of the measures of the parts of one chord is equal or the same as the product of the measures of the parts of the other chord".
From the figure:
Line segment FG = 12
Line segment GH = 4
Line segment GJ = 8
Line segment IG = ?
Now, usig the chord-chord power theorem:
Line segment FG × Line segment GH = Line segment GJ × Line segment IG
Plug in the values:
12 × 4 = 8 × Line segment IG
48 = 8 × Line segment IG
Line segment IG = 48/8
Line segment IG = 6
Therefore, the line segment IG measures 6 units.
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Pls help
Consider functions fand g below.
g(x)=-x^2+2x+4
A.As x approaches infinity, the value of f(x) increases and the value of g(x) decreases.
B.As x approaches infinity, the values of f(x) and g(x) both decrease.
C.As x approaches infinity, the values of f(x) and g(x) both increase.
D.As x approaches infinity, the value of f(x) decreases and the value of g(x) increases.
Consider functions fand g below g(x)=-x^2+2x+4 is option D.As x approaches infinity, the value of f(x) decreases and the value of g(x) increases.
The limit of a function, as x approaches infinity, is defined as a certain value if the function approaches the same value as x approaches infinity from both sides. The behavior of a function, as x approaches infinity, is determined by the function's rate of increase or decrease and the value of the function at x = 0.
The value of f(x) and g(x) will both increase as x approaches infinity in situation C. This implies that the functions are continuously increasing without bound, i.e., the function's value at any given point will always be greater than the previous point. Consider the example of f(x) = x² and g(x) = 2x. As x approaches infinity, f(x) and g(x) will both continue to increase indefinitely.
This is because x² and 2x are both monotonically increasing functions.As x approaches infinity, the value of f(x) decreases and the value of g(x) increases in situation D. As the value of f(x) approaches infinity, it will eventually reach a point where its rate of increase slows and the function will start to decrease.
On the other hand, g(x) will continue to increase because its rate of increase is faster than f(x) and does not slow down as x approaches infinity. Consider the example of f(x) = 1/x and g(x) = x². As x approaches infinity, f(x) decreases towards zero while g(x) continues to increase without bound.The correct answer is d.
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Find measure of angle HFJ
Look at picture for reference
The measure of angle HFJ in the right triangle JFH is 43 degrees.
What is the measure of angle HFJ?In the right triangle FGJ, first, we determine the hypotenuse FJ.
Angle GFJ = 43 degrees
Opposite of angle GFJ = 6
Hypotenuse FJ = ?
Using the trigonometric ratio, we can find the hypotenuse FJ:
sine = opposite / hypotenuse
sin( 43 ) = 6 / FJ
FJ = 6 / sin( 43 )
FJ = 8.7977
Now, we can find angle HFJ,
Angle HFJ = ?
opposite = 6
Hypotenuse FJ = 8.7977
Using the trigonometric ratio:
sin ( HFJ ) = 6 / 8.7977
sin ( HFJ ) = 6 / 8.7977
HFJ = sin⁻¹( 6 / 8.7977 )
HFJ = 43°
Therefore, angle HFJ measure 43 degrees.
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"Valeria and her family play the board game Parrots and Pirates on game night. Players who land on a cannon space roll a 6-sided weighted penalty die to determine how many gold doubloons they will lose. To see how the die is weighted, Valeria rolls it 15 times and records the results. Based on the data, what is the probability of rolling a 6 with this die.
The probability of rolling a 6 with this die would be = 1/15.
How determine the outcome of the given event?To determine the possibility of the given event, the formula for probability should be used and it's given below as follows:
Probability= Possible outcome/sample space
where;
possible outcome= 1
sample space= 15
Probability = 1/15
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I need help with this problem a s a p.
The calculated vertex of the function y = 2(x + 4)(x - 2) is (-1, -18)
Examining the function for the vertexFrom the question, we have the following parameters that can be used in our computation:
y = 2(x + 4)(x - 2)
Expand the equation
So, we have
y = 2x² + 4x - 16
Differentiate the function and set to 0
So, we have
4x + 4 = 0
So, we have
4x = -4
Evaluate
x = -1
Next, we have
y = 2(-1 + 4)(-1 - 2)
Evaluate
y = -18
This means that the vertex is (-1, -18)
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Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x – 5)?
A number line from negative 5 to 5 in increments of 1. An open circle is at 3 and a bold line starts at 3 and is pointing to the left.
A number line from negative 5 to 5 in increments of 1. An open circle is at 3 and a bold line starts at 3 and is pointing to the right.
A number line from negative 5 to 5 in increments of 1. An open circle is at negative 3 and a bold line starts at negative 3 and is pointing to the left.
A number line from negative 5 to 5 in increments of 1. An open circle is at negative 3 and a bold line starts at negative 3 and is pointing to the right.
Yesterday, Janie walked 3
5
mile to a friend’s house, 1
4
mile to the store, and 3
8
mile to another friend’s house. Which is the best estimate of the distance Janie walked?
Answer:
be more clear of what u mean edit the question so we can tell what u mean and answer correctly
Step-by-step explanation:
no explanation
Select the correct answer. Which function represents the inverse function of the function f(x)=x^2 +5
Answer:
f^(-1)(x) = ±√(x - 5).
Step-by-step explanation:
Replace f(x) with y: y = x^2 + 5.
Swap the x and y variables: x = y^2 + 5.
Solve the equation for y. To do this, we'll rearrange the equation:
x - 5 = y^2.
Take the square root of both sides (considering both positive and negative square roots):
±√(x - 5) = y.
Swap y and x again to express the inverse function:
f^(-1)(x) = ±√(x - 5).
8. Given AABC~AEDC
What is the value of x?
C. 30
D. 20
A. 15
B. 12
E
60
X
C
D
10
40
B
The calculated value of x in the triangle is 15
How to calculate the value of xFrom the question, we have the following parameters that can be used in our computation:
The triangles ABC and EDC
Since the triangles are similar, then we have
(3x - 5)/(5x - 5) = 32/56
This gives
32(5x - 5) = 56(3x - 5)
When solved for x, we have
x = 15
Hence, the value of x is 15
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Function A is represented by the equation y= 6x-1.
Function B is a linear function that goes through the points shown in the
table.
x 13 4 6
y 0 10 15 25
Which statement correctly compares the rates of change of the two
functions?
A. The rate of change of function A is 6.
The rate of change of function B is 5.
B. The rate of change of function A is 6.
The rate of change of function B is 10.
C. The rate of change of function A is
-1.
The rate of change of function B is 5.
D. The rate of change of function A is
-1.
The rate of change of function B is 10.
The rates of change of the two functions that compare correctly is A. The rate of change of function A is 6, and the rate of change of function B is -10/9.
To compare the rates of change of the two functions, we can calculate the slope of each function. The slope represents the rate of change of a linear function.
For Function A, the equation is y = 6x - 1. The coefficient of x, which is 6, represents the slope. The rate of change of Function A is 6.
For Function B, we are given three points: (13, 0), (4, 10), and (6, 15). We can calculate the slope using the formula: slope = (change in y) / (change in x). Taking the first two points, we have: slope = (10 - 0) / (4 - 13) = 10 / (-9) = -10/9.
Comparing the rates of change, we have:
A. The rate of change of function A is 6.
The rate of change of function B is -10/9.
The correct option is A. The rate of change of function A is 6, and the rate of change of function B is -10/9.
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Does anybody know the answer i need. It quick!!!!!
The area of the triangle in this problem is given as follows:
34 ft².
How to obtain the area of a triangle?The area of a rectangle of base b and height h is given by half the multiplication of dimensions, as follows:
A = 0.5bh.
The parameters for this problem are given as follows:
b = 10 ft, h = 6.8 ft.
Hence the area is given as follows:
A = 0.5 x 10 x 6.8
A = 34 ft².
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25 ÷ 5+7-(4 x 3) Solve the problem is fast as possible
Answer:
Step-by-step explanation:
0
Answer:
0
Step-by-step explanation:
25 ÷ 5+7-(4 x 3)
25 ÷ 5+7-(4 x 3)
5+7-(4 x 3)
5+7-(4 x 3)
5+7-12
12-12
0
I wrote in bold the steps you need to follow using PEMDAS (Parentheses, Exponents, Multiplication and Divison left to right, and Addition and Subtraction left to right).
at castleton university alex bought three mathematics textbook and four programming textbooks athe same school rick bought eight mathematic textbooks and a single programming textbook of alex spent 854.14 rick spend 1866.39 on textbooks what was the average cost of each book
Answer:
math = 227.98
programming = 42.55
Step-by-step explanation:
Answer:
math = 227.98
programming = 42.55
Step-by-step explanation:
We have
3m + 4p = 854.14 -eq(1)
8m + 1p = 1866.39 -eq(2)
rq(2) x 4: 32m + 4p = 7465.56 -eq(3)
eq(3)-eq(1):
32m + 4p = 7465.56
- ( 3m + 4p = 854.14)
--------------------------------
29m = 6611.42
--------------------------------
⇒ m = 6611.42/29
m = 227.98
sub in eq(1)
3(227.98) + 4p = 854.14
4p = 854.14 - 683.94
4p = 170.2
p = 170.2/4
p = 42.55
Pls help
Which statement is true?
A. As x increases, the rate of change of f(x) exceeds the rate of change of g(x).
B. As x increases, the rate of change of g(x) exceeds the rate of change of f(x).
C. On every interval of x-values, the average rate of change of g(x) exceeds the average rate of change of f(x).
D. On every interval of x-values,
the average rate of change of f(x) exceeds the average rate of change of g(x).
The statement that is true is as x increases, the rate of change of g(x) exceeds the rate of change of f(x). Option B
How to determine the statementFirst, let us determine the derivatives Let's first of the functions f(x) and g(x) to compare their rates of change:
The functions are given as;
f(x) = 1/50(3)
g(x) = 1/5(x²)
Since the derivative of a constant is zero, f'(x) = 0.
g'(x) = 2/5x
Then, we can say that the rate of change of g(x) increases faster than the rate of change of f(x) as x increases.
The rate of change of g(x) (2/5x) will grow as x increases, while the rate of change of f(x) stays constant.
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15. AB2+ BC2 = AC²
O A.
OB.
O C.
OD.
2 BDC = LADB
LBCA
DCB
2 BAC = LBAD
2 DBC = LBAC
multipl
Rese
Answer:
Step-by-step explanation:
Write each set builder notation as interval notation. Do not include spaces in your answer. Please type out the word "infinity".
{r | -3 < r < 4}
The interval notation (-3, 4) represents the set of real numbers r that are greater than -3 and less than 4, excluding -3 and 4.
The set builder notation {r | -3 < r < 4} can be expressed in interval notation as (-3, 4).
In interval notation, the parentheses indicate that the endpoints, -3 and 4, are not included in the set.
The interval (-3, 4) represents all the real numbers r that are greater than -3 and less than 4, but not including -3 and 4.
It can also be visualized on a number line as an open interval between -3 and 4, where the endpoints are not filled in.
The interval (-3, 4) can be interpreted as a range of values for r. Any real number between -3 and 4, excluding the endpoints, would satisfy the given set builder notations.
For example, -2, 0, and 3 are all included in the interval (-3, 4), but -3 and 4 themselves are not part of the set.
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Work out the height, y, of the isosceles triangle shown below. Give your answer in metres to 2 d.p. 57° 11.5 m Not drawn accurately
The height of the isosceles triangle is approximately 9.70 meters.
To find the height (y) of an isosceles triangle given its slant height and two angles, we can use trigonometry. Here are the steps to solve this problem:
Start by drawing a sketch of the isosceles triangle. Label the base as "b," the height as "y," and the slant height as "s."
Since the triangle is isosceles, the two base angles are congruent, meaning each angle measures 57 degrees. Label one of these angles as "θ."
We know that the slant height (s) is given as 11.5 m.
Apply the sine function to relate the slant height (s) to the angle (θ) and the height (y) of the triangle. The sine of an angle is defined as the ratio of the opposite side (y) to the hypotenuse (s). So, we have sin(θ) = y/s.
Substitute the given values into the equation: sin(57 degrees) = y/11.5.
Solve the equation for y by multiplying both sides by 11.5: y = 11.5 * sin(57 degrees).
Use a calculator to find the value of sin(57 degrees) and multiply it by 11.5 to obtain the height (y) of the triangle.
Performing the calculation, y = 11.5 * sin(57 degrees) ≈ 9.70 meters (rounded to two decimal places).
Therefore, the height of the isosceles triangle is approximately 9.70 meters.
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Question 2
No calculations are necessary to answer this question.
3/01
3/02
$1.7420 $1.7360
Date
July GBP Futures
Contract Price
O long; long
Based on the closing prices of July GBP Futures Contract over the 3-day period in March 20XX as shown above, you shou
position on 3/01 and a position on 3/02.
O long; short
O short; short
3/03
short; long
$1.7390
The given information does not provide any clear indication for determining the position that should be taken on 3/01 and 3/02. Without additional information, it is not possible to make a decision. The table only displays the closing prices of the July GBP Futures Contract on different days, and it is unclear what trading strategy or what scenario is being considered. Additional information about the goals and objectives, the market conditions, and other relevant factors would be necessary to make a decision about trading positions.
A sunglasses store bought $5,000 worth of sunglasses. The store made $9,000, making a profit of $20 per pair of sunglasses. There were __?__ pairs of sunglasses involved.
NO LINKS!! URGENT HELP PLEASE!!
Use the parallelogram ABCD to find the following
8. part 1
a. DC=
c. m<DCB=
e. m<ABC=
Answer:
a. 16
c. 120°
e. 60°
Step-by-step explanation:
Properties of Parallelogram:
Opposite sides are congruent.Opposite angles are congruent.Consecutive angles are supplementary.The diagonals bisect each other.The sum of the interior angles is 360 degrees.For Question:
a.
DC= AB=16 Opposite side is congruent.
c.
m ∡DCB = m ∡DAB=120° Opposite angles are congruent.
e.
m ∡ABC= ?
m ∡ABC+ m∡DAB =180° Consecutive angles are supplementary.
Substituting value
m ∡ABC + 120°=180°
m ∡ABC =180°-120°=60°
m ∡ABC=60°
Answer:
a) DC = 16
c) m∠DCB = 120°
e) m∠ABC = 60°
Step-by-step explanation:
Part aThe opposite sides of a parallelogram are equal in length. Therefore, DC is the same length as AB.
As AB = 16, then DC = 16.
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Part cThe opposite angles of a parallelogram are equal in measure. Therefore, m∠DCB is equal to m∠DAB.
As m∠DAB = 120°, then m∠DCB = 120°.
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Part eAdjacent angles of a parallelogram sum to 180°. Therefore:
⇒ m∠ABC + m∠DAB = 180°
⇒ m∠ABC + 120° = 180°
⇒ m∠ABC + 120° - 120° = 180° - 120°
⇒ m∠ABC = 60°
representa graficamente los vectores 2u, -3v y 1/4 usando los vectores dados A -1,3
B -2,4 C 0,-2 D 8,1
Para representar gráficamente los vectores 2u, -3v y 1/4, necesitamos utilizar los vectores dados A(-1,3), B(-2,4), C(0,-2) y D(8,1).
Vector 2u:
El vector 2u se obtiene al multiplicar el vector u por 2. Si conocemos las coordenadas de u, podríamos multiplicar cada componente por 2. Sin embargo, no se proporciona información sobre las coordenadas de u, por lo que no podemos realizar este cálculo específico.
Vector -3v:
Similar al caso anterior, para obtener el vector -3v, debemos multiplicar el vector v por -3. Sin información sobre las coordenadas de v, no podemos realizar este cálculo específico.
Vector 1/4:
El vector 1/4 se obtiene al multiplicar cada componente de los vectores A, B, C y D por 1/4. Podemos calcular las nuevas coordenadas de estos vectores:A' = (-1/4, 3/4)
B' = (-1/2, 1)
C' = (0, -1/2)
D' = (2, 1/4)
For more such questions on vectores
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