2 years ago

Im not sure ... does anyone know .....

Mathematics

1 answer:

Marina86 [1]2 years ago

8 0

Answer:

I think it's -6. I have no idea

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A regular pentagon with a perimeter of 28 inches is dilated by a scale factor of 8/7 to create a new pentagon. What is the perim

kari74 [83]

The new perimeter is 32 inches. You multiply the scale factor (8/7) by the original perimeter (28) which gives the answer of 32.

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3 years ago

****BRAINLIEST GOES TO THE FIRST CORRECT ANSWER****

Drupady [299]

The two equations are vertical angles, which mean they are equal.

Set each equation to equal each other and solve for x.

3x-3 = 6(x-10)

Simplify the right side:

3x-3 = 6x-60

Subtract 3x from each side:

-3 = 3x - 60

Add 60 to each side:

57 = 3x

Divide both sides by 3:

x = 57 / 3

x = 19

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2 years ago

How do i solve this? ASAP!

lukranit [14]

Answer:

Similar triangles states the length of the corresponding sides are in proportion.

In a given similar triangles:

Labelled the diagram:

Triangle BAC and triangle DAC are similar.

then;

Corresponding sides:

$\frac{AB}{AD} = \frac{BC}{DC}$

AB = x units , BC = 5 units, AD = 15 units and DC = BD-BC = 8-5 = 3 units

$\frac{x}{15} = \frac{5}{3}$

By cross multiply we get;

$3x = 15 \cdot 5$

Simplify:

$3x = 75$

Divide both sides by 3 we get;

$\frac{3x}{3}=\frac{75}{3}$

Simplify:

x = 25 units

Therefore, the value of x is 25 units.

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3 years ago

What are the coordinates of the midpoint of CD¯¯¯¯¯ where C(2, −6) and D(4, 10)?

Aleks [24]

You can use the midpoint formulae as I have in the picture below

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2 years ago

Read 2 more answers

Can someone pleaseeee help if you’re correct I’ll give u brainlist

zhenek [66]

Answer:

y = 43, z = 16

Step-by-step explanation:

congruent essentially means they're the same. If you mentally map one triangle onto the other, you'll see that 43, the hypotenuse, lines up with y, and 16 lines up with z.

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2 years ago