Mathematics College

Calculate x,y and z fully and give reasons.

Calculate X,y And Z Fully And Give Reasons.

Answers

Answer 1

Answer:

X=67°,Z=113°,Y=0°

Step-by-step explanation:

2.1=

X+113°=180°(being straight angle)

Or, X=180°-113°

Or,X=67° answer

Now,

Z=113°(being alternative angle)

Again,Y+Z+X=180°(being co-interior angle)

Or, Y+113°+67°=180°

Or,Y+180°=180°

Or,Y=180°-180°

=Y=0° answer

Related Questions

solve this equation by completing the square p^2 + 16p - 17 = 0

Answers

Answer: p=1

Step-by-step explanation:

[tex]p^{2}+16p-17=0\\p^{2}+16p=17\\1^{2}+16(1)=17\\1+16=17\\p=1[/tex]

(p-1)(p+16)

Also, here's the cross method in completing the square that I tried in the file attachment. I haven't done this in a while, so this may not be neat.

Write y = x + 7 in standard form using integers.

Answers

Answer:

y=x+7

y=7x+y

=7xy

Step-by-step explanation:

right answer is 7xy

35 POINTS, i dont understand this question!!!! can someone give me a brief yet useful explanation??

Answers

The answer:
surveying a random sample of 25 students attending a school football game

Don't forget put heart ♥️

What is x and the unknown angle? May I also get a brief explanation of how to do it?​

Answers

Answer:

149+(13x+5)=180

154+13x=180

13x=26

x=2

Answer:

see explanation

Step-by-step explanation:

The 2 angles are adjacent on a straight line and sum to 180° , then

149 + 13x + 5 = 180 , that is

154 + 13x = 180 ( subtract 154 from both sides )

13x = 26 ( divide both sides by 13 )

x = 2

Then

unknown angle = 13x + 5 = 13(2) + 5 = 26 + 5 = 31°

What can you do if a decimal product has final zeros to the right of the decimal point

Answers

Answer:

place the decimal point in the product so that the number of decimal places in product is the sum of decilal places in the factors. keep all zeros in the product when you place the decimal point. you can drop the zeros on the right once the decimal point has been placed in the product.

13. There are about 4 • 10% known species of beetles.
The number of known species of caddis flies is
about 104. How many times more species of beetles
are there than caddis flies?

Answers

Answer:

40

Step-by-step explanation:

Determine the gradient of line AC​

Answers

Answer:

This formula can also be written as \(y - {y}_{1} = m\left(x - {x}_{1}\right)\). The standard form of the straight line equation is \(y = mx + c\) where \(m\) is the gradient and \(c\) is the \(y\)-intercept.

A.It has point symmetry.


B.It has rotational symmetry with an angle of rotation of 120°.


C.It has reflectional symmetry with eight lines of symmetry.


D.It has no reflectional symmetry.

Answers

Answer:

c. It has a reflectional symmetry with 5 lines of symmetry

Step-by-step explanation:

Answer:

Step-by-step explanation:

(B). It has rotational symmetry with an angle of rotation of 120°.

- (x^2 - 3x + 2) - x(x - 4)

Answers

Answer:

[tex] - (x^{2} - 3x + 2) - x(x - 4) \\ = ( - x^{2} + 3x - 2) + ( - x ^{2} + 4x) \\ = - 2 {x}^{2} + 7x - 2[/tex]

I hope I helped you^_^

Answer:

[tex] = - 2 {x}^{2} + 7x - 2[/tex]

Step-by-step explanation:

[tex] - ( {x}^{2} - 3x + 2) - x(x - 4)[/tex]

[tex] - {x}^{2} + 3x - 2 - x(x - 4)[/tex]

[tex] - {x}^{2} + 3x - 2 - {x}^{2} + 4x[/tex]

[tex] - {2x}^{2} + 3x - 2 + 4x[/tex]

[tex] \boxed{\green{ = - 2 {x}^{2} + 7x - 2}}[/tex]

[tex]stan \: \: Dreamcatcher \\ and \: \: stream \: \: BEcause \\answered \: \: by \: \: a \: \: fellow \: \: InSomnia[/tex]

When 1480 is divided into 12 equal parts, the remainder is 4. What is a correct way to write the quotient?


123.4
1234 over 12
123 + 4
1234 over 1480

Answers

Answer:

123.4

Step-by-step explanation:

the raidan measure of an angle is equal to the ratio of the legnth of its intercepted arc to the radius
A.True
B.False

Answers

Answer:

True.

Step-by-step explanation:

As long as the vertex of the angle is at the center of curvature of the intercepted arc.

Determine whether the statement is true or false.
Every real number is an irrational number.

Answers

Answer:

Firstly irrational number are any real number that cannot be expressed as the quotient of two integers . For example there is no number among integers and fractions that equals the square root of 2 .

Hope I helped

If a < b, what additional assumptions on a and b will guarantee that a^2 < b^2. Prove your assumption.

Answers

Answer:

An additional assumption is that a is not negative.

Step-by-step explanation:

If a could be negative, then:

(-7)^2 < 3^2  would be false because

49 is not greater than 9

perimeter is 21cm Length is 7.5cm and the Breadth is not given​

Answers

Answer:

The answer is 3cm

Please give branliest!

Step-by-step explanation:

(S1×2)+(S2×2)=21cm

(S1+S2)×2=21cm

S1+S2=21÷2

7.5+S2=10.5

S2=10.5-7.5

S2=3

Breadth=3cm

Step-by-step explanation:

p=2(l+b)

21=2(7.5+b)

21=15+2b

21-15=2b

6=2b

6/2=b

b=3

PLEASE HELP

write and solve an equation to find the value of X. please explain in details and show your work!

Answers

The answer is x=34 degrees.

The answer you are looking for is x=34.

Solution/Explanation:

First things first, we need to understand that the sum of the angles of a triangle is 180°. We can apply this fact for the problem.

So, that means that the sum of all of the angles of this triangle is 180°.

So, therefore, we can formulate an equation:

2x+20+2x-10+x=180.

So, we now have our expression.

Now, all we need to do is simplify it.

Combining similar-like terms,

2x+2x+x+20-10=180.

Simplifying it now,

5x+10=180.

Subtracting 10 from both sides of the equation,

5x+10-10=180-10.

5x=170.

Finally, dividing both sides by 5,

5x/5=170/5.

x=34.

So, therefore the final answer is x=34.

I hope that this has helped you. Enjoy your day, and take care!

Can someone help me thanks!​

Answers

The value of the digit decreases

Answer:

If it goes to the left it becomes in the hundredths place meaning it decreases

Step-by-step explanation:

If f(x)=-3x-5andg(x)=4x-2,find(f+g)(x)

Answers

Answer:

x -7

Step-by-step explanation:

f(x)=-3x-5

g(x)=4x-2

(f+g)(x)= -3x-5+4x-2

Combine like terms

          = -3x+4x  -5-2

          = x -7

Answer:

[tex]x - 7[/tex]

Step-by-step explanation:

[tex]f(x)=-3x-5 \\ g(x)=4x-2 \\ (f+g)(x) = - 3x - 5 + 4x - 2 \\ = x - 7[/tex]

If you drive 565 miles a day, how far will you have gone at the end of a week?​

Answers

565x7= 3,955
If you drive 565 miles a day for 7 days do 565 times 7!

Find the value of x and d.

Answers

Step-by-step explanation:

2x-5=71 ---> x=38

71+76=147 ---> d=33

If 3^x=243^4, then what is x?​

Answers

Answer:

x=20

Step-by-step explanation:

3^x=243^4

3^x=(3^5)^4

3^x =3^20

x=20

The area of a rectangle is represented by 9× + 15 and the length of the rectangle is 3. What is the width of the rectangle​

Answers

Answer:

Step-by-step explanation:

l*b = 9x+15

3*b=9x+15

b=9x+15/3

b=3x+5 ans

a van is traveling 64 7/8 miles per hour. an airplane is traveling 5 6/7 times faster. about how fast is the airplane traveling? could u please help?

Answers

Answer:

it will be 736 speed faster than

what is 392,153 rounded to the nearest ten thousand

Answers

Step-by-step explanation:

392,153 rounded to the nearest ten thousand is 390,000

Answer:

I believe it is 390,000

Step-by-step explanation:

what two numbers when multiplied makes 6 but when added equals -10

Answers

There aren’t any with this description

A rectangles length is 6 units greater than its width. Write an equation expressing the rectangles area, A, as a function of W

Answers

Answer:

A = W² + 6W

Step-by-step explanation:

The width is W.

The length is 6 units greater than the width, so the length is W + 6.

The area is the product of the length and width.

A = (W + 6)W

A = W² + 6W

the number of seats in a movie theater

Answers

350 to 600 or even more seats. The larger auditoriums in a modern multiplex theater in a metropolitan area typically have 150 to 250

Points D and E are midpoints of the sides of triangle ABC. The perimeter of the triangle is 48 units. Triangle A B C is shown. Point D is the midpoint of side A B and point E is the midpoint of side B C. The lengths of A D and D B are 3 t, the lengths of B E and E C are 4 t, and the length of A C is 7 t + 6. What is the value of t

Answers

9514 1404 393

Answer:

  t = 2 units

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  AD +DB +BE +EC +AC = 48 = 3t +3t +4t +4t +7t +6

  42 = 21t . . . . . . subtract 6 and simplify

  42/21 = t = 2 . . . . . . divide by the coefficient of t

a sports team won twice as many games as they lost. the sum of games won and games lost was 42. How many games did they win?

Answers

Answer:

The number of win games are 28

Step-by-step explanation:

x=lost. 2x=win

2x+x=42

3x=42

x=42

3

x=14

win=2x

=2×14

=28

The number of games the sports team won if a sports team won twice as many games as they lost is 28games

Let the amount the sports team lost be x

If the sports team won twice as many games as they lost, then the number of games won will be 2x

If the sum of games won and games lost was 42, then:

x + 2x = 42

3x = 42

Divide both sodes by 3

3x/3 = 42/3

x = 14

Amount of games won = 2(14)

Amount of games won = 28games

Hence the amount of games the sports team won is 28games

Learn more here: https://brainly.in/question/21002234

you are solving an equation with a variable on each side. does the side on which you choose to isolate the variable affect the solution? why might you choose one side over the other?

Answers

Answer:

Does the side on which you choose to isolate the variable affect the solution?

No, because at the end you get an equation with a variable on one side only.

Why might you choose one side over the other?

To simplify or minimize the number of operations you need. Moving part of the terms from one side to another adds at least one extra operation and it may also bring some complications.


-4|8-5n|=19
-4|8-5n|=-19
I need the work shown for me pls so if anyone can help​

Answers

Step-by-step explanation:

-4|8-5n|=19

-4/-4|8-5n|=19/-4

|8-5n|=4.75

5n=4.75-8

5n=-3.25

5n/5=-3.25/5

n=-0.65

if it is wrong sory

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