Answer: It should be -(x - 2)
Step-by-step explanation:
the reason is this right here
y - y1 = m(x - x1)
y1 = 4
x1 = 2
m = -1
y - 4 = -(x - 2)
point-slope form: y-y₁ = m (x-x₁)
=============
y -(-4) = -1(x-2)y + 4 = -1(x-2)slope-intercept form: y = mx + b
============
y + 4 = -1(x-2)y + 4 = -x + 2y = -x + 2-4y = -x -2what is x and y?
2x-2y=-4
2x+y=11
Is there infinitely many solutions, 1 solution, or nosolution
Let's solve your system by substitution.
2x−2y=−4;2x+y=11
Rewrite equations:
2x+y=11;2x−2y=−4
Step: Solve2x+y=11for y:
2x+y=11
2x+y+−2x=11+−2x(Add -2x to both sides)
y=−2x+11
Step: Substitute−2x+11foryin2x−2y=−4:
2x−2y=−4
2x−2(−2x+11)=−4
6x−22=−4(Simplify both sides of the equation)
6x−22+22=−4+22(Add 22 to both sides)
6x=18
6x/6 = 18/6
(Divide both sides by 6)
x=3
Step: Substitute3forxiny=−2x+11:
y=−2x+11
y=(−2)(3)+11
y=5(Simplify both sides of the equation)
Answer:
x=3 and y=5
Marco and Juan entered a trivia competition. When they miss a question,they lose points.
PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!
Answer:
See below ~
Step-by-step explanation:
Finding m∠HCG
HE is the diameter line [= 180°]∠ECF + ∠FCG + ∠HCG = 180°60° + 75° + ∠HCG = 180°∠HCG = 180° - 135°∠HCG = 45°Finding m∡DF
∠ECF + ∠DCE60° + 45°105°Answer:
m∠HCG = 45°
m∡DF = 105°
Step-by-step explanation:
m∠ECD + m∠ECF + m∠FCG
= 45° + 60° + 75°
= 180°
As angles on a straight line always sum to 180°, we can conclude that the line DG is a straight line and the diameter of the circle, and the Point C is the center of the circle.
Assuming that line EH is also a straight line, using the vertical angles are always congruent theorem, m∠ECD = m∠HCG.
Therefore, m∠HCG = 45°
We always measure arcs in a counterclockwise direction.
⇒ m∡DF = m∡DE + m∡EF
= 45° + 60°
= 105°
What is the answer of two times two (2x2=)
Answer:
=> 2 × 2 = 4
Step-by-step explanation:
two times two is four
Answer:
2x1=1
2x2=4
so the answer is 4
Step-by-step explanation:
An equation that is true for all values of the variables in its domain is _____.
a property
a function
an identity
a formula
An equation that is true for all values of the variables in its domain is an identity
Hope that helps!
Find the LCM by first finding the prime factor.
Answer:
Step-by-step explanation:
3(x² - y²) = 3(x + y)(x -y)
x² - 2xy + y² = (x - y)²
LCM = 3(x + y)(x - y)²
Sharon bought 4/5 pound of flour for $1. What is the cost of 1 whole pound of flour?
The length of a rectangle is 8 feet more than its width. the area of the rectangle is 97 ft.² determine the length and width of the rectangle
Answer:
L = [tex]\sqrt{113}[/tex] +4
W = [tex]\sqrt{113}[/tex] -4
or L = 14.63 ft, and W = 6.63 ft
Step-by-step explanation:
Let L be the length and W the width.
We are told that the "length of a rectangle is 8 feet more than its width:"
L = W+8
Area of the rectangle is given by L*W, and is 97 [tex]ft^{2}[/tex]
L*W = 97
Substituting L=W+8, we get:
(W+8)W=97 [tex]ft^{2}[/tex]
[tex]W^{2}[/tex] + 8W = 97
[tex]W^{2}[/tex] + 8W - 97 = 0
The roots to this equation are:
-4-[tex]\sqrt{113}[/tex], and[tex]\sqrt{113}[/tex] -4Only the second gives a positive value, so W = [tex]\sqrt{113}[/tex] -4
Since L=W+8, the length, L, is [tex]\sqrt{113}[/tex] -4 + 8 or [tex]\sqrt{113}[/tex] +4
In decimal:
L = 14.63 ft, and W = 6.63 ft
subtract R from 6. Then add 3
Regression analysis is better than the high-low method of cost estimation because regression analysis: Multiple Choice Fits data into a mathematical equation. Takes less time. Is mathematical. Can provide greater precision and reliability. Is a statistical method.
Answer:
hola no sé qué decirte no se Inglés
The model is shaded to represent the remaining one-half of a cake. Three friends will each receive an equal amount of the remaining cake until it is all gone.
Which equation can be used to determine the fraction of the whole cake each friend will receive?
Answer:
The model is shaded to represent the remaining one-half of a cake. Three friends will each receive an equal amount of the remaining cake until it is all gone.
cake
Faith wants to add a 20% tip to a $56 restaurant bill. How much will Faith pay including the tip?
Answer:
67.20$
Step-by-step explanation:
multiply 56 by 1.2
Answer:
$67.2
Step-by-step explanation:
Given:
Price = $56Tip = 20%∴ Equation: Price + Tip = Total
⇒ 56 + (20/100 × 56) = TotalSimplify the equation to obtain the total:
⇒ 56 + (20/100 × 56) = Total⇒ 56 + (20/50 × 28) = Total⇒ 56 + (20/25 × 14) = Total⇒ 56 + (4/5 × 14) = Total⇒ 56 + (56/5) = TotalConvert the expression in the parenthesis into decimals:
⇒ 56 + (56/5) = Total⇒ 56 + (11.20) = TotalOpen the parenthesis and simplify:
⇒ 56 + 11.20 = Total⇒ $67.2 = TotalFaith will pay (including the tip) $67.2.
What is the value of x? (7+x)=(3x+1)3
Answer:
x = 1/2
Step-by-step explanation:
7 + x = 3*3x + 3*1
7 + x = 9x + 3
8x = 4
x = 1/2
Find the 12th term of the geometric sequence 2, -8, 32,
Answer:
what kind of term is this
Step-by-step explanation:
Find the area of the circle with circumference 2(pi)r cm
Answer:
area should be (pi)r^2
look at the question!!
Answer:
The right answer is G. 9
Step-by-step explanation:
(11y-36)° = 63°
11y = 63 + 36
y = 99 ÷ 11 = 9
y = 9
the GCF factor the given expression: 21xy + 14y
7(3xy + 2y)
7y(3x + 2)
3(7xy + 14y)
7xy(3 +2)
NEXT
Answer:
7y
Step-by-step explanation:
GCF for 21xy+14y is: 7y
because GCF is greatest common factor. y is common for both units so take it out and greatest number that both numers can divide by is 7,
so 7y.
Check:
7y(3x+2)
7y*3x + 7y*2
21yx + 14y
true
8.6.PS-8
Find the area of this circle. Use
3.14 for n.
3 ft
.
The area of the circle is about ft2.
(Round to the nearest hundredth as needed.)
Find the area of the figure.
Step-by-step explanation:
such problems are always the combination of areas of simple figures.
in our case here the simplest way seems to me to calculate the area of the whole 15×15 square (the side lengths are 15 and 9+6 = 15) and then subtract the small 6×6 square (top left), the small 6×3 triangle (bottom right) and the larger 6×9 triangle (top right).
we know that the left side of the main square is 9+6 = 15.
we know that the missing side piece (top right) is also 6 (like its left side). and the right side piece is 15-6-6 = 3.
that is how we know the side lengths of the missing pieces.
so,
15×15 = 225 cm²
the small square is
6×6 = 36 cm²
the large triangle is
6×9/2 = 3×9 = 27 cm²
the small triangle is
6×3/2 = 3×3 = 9 cm²
so, the total area of the figure is
225 - 36 - 27 - 9 = 153 cm²
GIVING BRAINLEST TO THE PERSON THAT CAN EXPLAIN HOW TO DO THIS THE BEST :)
Answer:
18√6
Step-by-step explanation:
From Pythagoras theorem,
b^2 + p^2=h^2
or, 1^2 + p^2 = 5^2
or, p^2=25 - 1
or, p=√24
or, p=2√6 (√24 = √4*√6
= 2*√6
= 2√6)
Again,
we know,
Area of parallelogram (A) = bash*height
=9*2√6
=18√6
HELP PLS HOW YOU GET ANSWER
Answer: d, the diameter, is about 36.92 units
Step-by-step explanation:
The c value is the circumference and we are being asked to solve for the diameter.
We can take the value they give for the circumference, plug it into the circumference formula, and solve for d. Please note that the diameter is two times the radius, or r, so at the end I will multiply r by two.
C = 2πr
(116) = 2πr
18.46 ≈ r
r ≈ 18.46
-
18.46 * 2 = 36.92
The missing measure is about 36.92 units.
It's trig...First person gets branliest
Answer:
~29.99
Step-by-step explanation:
Simplify 2(-3n - 5) + 5n
Answer:
-1n-10
Step-by-step explanation:
EXPLANATION:
Use PEMDAS it will show u from where to start first and you will end up with the right result
PEMDAS : Parentheses, Exponents, Multiplication and Division, Addition and Subtraction
2(-3n-5) + 5n
distribute 2 in the parantheses
-6n-10+5n
-1n-10
Between 3 pm and 6 pm the temperature dropped from 88 degrees to 60 degrees frond the percent of decrease
Answer:
31.81%
10.60% per hour
Step-by-step explanation:
88 - 60 = 28
28/88 = .31818181818
.31818181818 = 31.81%
.31818181818/3 = .10606060606
.10606060606 = 10.60%
what is the solution of the system of equation? y=2x-3 , 4x-3y=31
Answer:
Use Substitution.
Plug in 2x-3 in place of y in the second equation.
4x - 3(2x-3) = 31
4x - 6x + 9 =31
-9 -9
-----------------------
-2x=22 so x=-11
Then, y=2(-11)-3, so y=-25
So the solution would be (-11,-25).
Step-by-step explanation:
is the variable alone?
No
what is it attached to?
you always do adding or subtracting first so it is attached to 3
How is it attached?
by subtraction
what is the inverse operation?
it is addition
then all you do is the same thing but with multiplication or division
Hi!
We can solve this using the substitution method.
Given:
[tex]y=2x-3\\4x-3y=31[/tex]
Using the first question, we know that [tex]y[/tex] is equal to [tex]2x-3[/tex], so we can simply plug that value in to the second equation, like so:
[tex]4x-3(2x-3)=31[/tex]
Now, we can algebraically solve this for [tex]y[/tex]
[tex]4x-3(2x-3)=31[/tex]
Distribute.
[tex]4x-6x+9=31[/tex]
Add like terms.
[tex]-2x+9=31[/tex]
Subtract [tex]9[/tex] from both sides.
[tex]-2x=22[/tex]
Divide both sides by [tex]-2[/tex]
[tex]x=-11[/tex]
Now plug in that value to the first equation:
[tex]y=2(-11)-3[/tex]
Multiply.
[tex]y=-22-3[/tex]
Subtract.
[tex]y=-25[/tex]
The solution is (-11, -25)
ASAP as well I’m sorry ……..
What’s The Answer Of This? PLEASE HELP
Answer: 68 degrees
Step-by-step explanation:
At a school assembly, there are 150 students. If the students are to be dismissed in groups of 10, how many groups will be made?
Answer:
15 groups would be made.
Explanation:
150 divided by 10 = 15
solve for N.
8/10 = 4/N
Answer:
5
Step-by-step explanation:
Cross multiply
8n = 40
N = 5
Answer:
n= 5
Step-by-step explanation:
1. Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
8/10-(4/n)=0
2. Simplify 4/n = after that the equation will be 8/10 - 4/n = 0
3. Simplify 4/5 = after that the equation will be 4/5 - 4/n = 0
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
C. 5 1/2
Step-by-step explanation:
Hope this helps!
Have a blessed day!!