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3 years ago

∆ABC ~ ∆WXY. What is the value of x? (show work)

Mathematics

1 answer:

brilliants [131]3 years ago

4 0

You need to set up ratios to solve for x. It's all about proportions here. I'm going to set up the ratio with the smaller triangle stuff (the one on the left) on top and the larger triangle stuff on bottom. Corresponding sides rule the day. $\frac{8}{12}= \frac{x}{18}$ . Cross-multiply to solve for x. 12x=144 and x = 12.

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Solve for x. 4 In (4x) = 16

sveticcg [70]

Answer:

x= 4

Step-by-step explanation:

4 x 4= 16

3 0

3 years ago

Read 2 more answers

What are the zeros of the function f(x)=-x^2+13x-36

Galina-37 [17]

For this case we have the following function:

$f (x) = - x ^ 2 + 13x-36$

To find the zeros of the function we make $y = 0$ and solve for "x", then:

$0 = -x ^ 2 + 13x-36$

We multiply by -1 on both sides of the equation:

$0 = x ^ 2-13x + 36$

We factor the equation, for this we look for two numbers that, when multiplied, result in 36 and when added, result in -13. These numbers are -9 and -4.

$(-9) * (- 4) = 36\\-9-4 = -13$

Thus, the factored equation is:

$(x-9) (x-4) = 0$

Therefore, the roots are:

$x_ {1} = 9\\x_ {2} = 4$

Answer:

$x_ {1} = 9\\x_ {2} = 4$

6 0

3 years ago

Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

liq [111]

Answer:

Step-by-step explanation:

3(x+2)=12

Distribute:

3x+6=12

Subtract:

3x+6-6=12-6

3x=6

Divide:

x=2

4 0

3 years ago

I’m honestly done with math

rewona [7]

Answer:

15.

Step-by-step explanation:

8x - 10 = 110 (vertical angles are equal in measure).

8x - 10+ 10 = 110 + 10

8x = 120

x = 120 /8

x = 15.

3 0

3 years ago

A square garden has an area of 144ft^2 .<br>What is the length side of the garden?

Vladimir [108]

12, because 144^2/2=12

4 0

3 years ago