MATHEMATICS HIGH SCHOOL

9/x=32/56
Solve for z

Answers

Answer 1

Answer:

Answer:

x = 15.75

Step-by-step explanation:

I'm going to assume you mean solve for x so:

$(9)/(x) =(32)/(56) \n\n32x=504\nx=15.75$

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How do you factor k^2-k-56
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The circle graph shows the location of Oklahoma’s 77 counties in the state. Which three regions combined have 1/2 of the counties?
A.Northwest, Southwest, Southeast

B.Southwest, Northeast, Northwest

C.Northeast, Southwest, Tulsa Metro

D.Southeast, Northeast, Oklahoma City Metro

Answers

C) because if you add up percents, it adds to 50%, or 0.5 or 1/2:
Northeast 23%, Southwest 21%, Tulsa Metro 6%
23 + 21 + 6 = 50

C. Northeast, southeast,Tulsa metrois your answer

(4*10^8)^ simplify expression write in scientific notation1.6*10^7

16*10^16

8*10^17

1.6*10^16

Answers

Question asked:
$(4*10^8)^2$

Solve:
=160000000000000000

Turn to scientificnoation:
1.6 * 10^17
Final answer: A 1.6*10^7

Answer:

Step-by-step explanation:

Remove the parentheses and simplify the expression. 2(5k-1)-24

Answers

Answer: 10k - 26

Step-by-step explanation:

Our task is to simplify the following expression:

$\sf{2(5k-1)-24}$

First, use the distributive property:

$\sf{2*5k-2*1-24}$

Simplify:

$\sf{10k-2-24}$

Combine the like terms:

$\sf{10k-26}$ {answer} we're done ^^

Triangle XYZ has vertices X(1, 3), Y(0, 0), and Z(–1, 2). The image of triangle XYZ after a rotation has verticesX'(–3, 1), Y'(0, 0), and Z'(–2, –1). Which rule describes the transformation?

Answers

Answer:

Rotation about 90° counter clockwise (x , y) →→ ( -y, x ).

Step-by-step explanation:

Given : Triangle XYZ has vertices X(1, 3), Y(0, 0), and Z(–1, 2). The image of triangle XYZ after a rotation has vertices X'(–3, 1), Y'(0, 0), and Z'(–2, –1).

To find : Which rule describes the transformation.

Solution : We have given

vertices X(1, 3) →→ X'(–3, 1)

Y(0, 0) →→ Y'(0, 0),

Z(–1, 2) →→ Z'(–2, –1).

Here , we can see in each coordinates value of y become -x and x become y.

(x , y) →→ ( -y, x ) this the rule of rotation about 90° counter clockwise.

Therefore, rotation about 90° counter clockwise (x , y) →→ ( -y, x ).

the rule is (x - 3, y - 3).

Which value of x makes the following equation true?4(x - 1) = -4x + 60

A. 8
B. 12
C. 11
D. 9

Answers

The easiest way is to just solve the equation.
4x - 4 = -4x + 60
4x + 4x = 4 + 60
8x = 64
x = 8

A slower way to do this is to plug each of the numbers into the equation to see which makes the equation is true.
So for A.
4(8 - 1) = -4(8) + 60
4(7) = -32 + 60
28 = 28
Fortunately, this is true, so A is the answer and you don't have to try the other options.

It would be A because if you plug in 8 for x on each side you get 28 which makes the equation true

Write an equation of a line that passes through the given point and has slope m
(-4,3) m=2