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3 years ago

Can someone please help me:) ASAP

Mathematics

1 answer:

tamaranim1 [39]3 years ago

4 0

I'm pretty sure the third one is correct.

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2x + 3x + 20 + 10x - 5 = 10x + 16

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Step-by-step explanation:

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3 years ago

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3 years ago

Find the value of x.

Nimfa-mama [501]

Answer:

x=55

Step-by-step explanation:

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180-125=55

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3 years ago

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Does anybody know this? I don't get it.

Tasya [4]

Answer:

scale factor = 1/2

Step-by-step explanation:

for AC: 4 + 4 = 8

8 is the AC of the red triangle

4 is the AC of the blue triangle

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6 0

3 years ago

For a project in her Geometry class, Chee uses a mirror on the ground to measure the

maria [59]

The geometry technique that Chee uses to find the height of the goalpost is the equal ratio of the corresponding sides of similar triangles.

Correct response:

The eight of the goalpost is approximately <u>16.91 meters</u>.

<h3>Methods used to calculate the height</h3>

The length Chee is using the mirror to measure = The height of her school's football goalpost

The distance of the mirror from the goalpost = 14.35 meters

The distance on the other side of the mirror Chee steps to = 1.4 meters

The distance from her eyes to the ground = 1.65 meters

Required:

How tall is the goalpost.

Solution:

By using similar triangles relationships, we have;

$\dfrac{1.65}{1.4} = \mathbf{\dfrac{Height \ of \ the \ goalpost, h}{14.35} }$

Which gives;

$h = \dfrac{1.65}{1.4} \times 14.35 = 16.9125 \approx \mathbf{ 16.91}$

The height of the goalpost, h ≈ <u>16.91 meters</u>

Learn more about similar triangles here:

brainly.com/question/10676220

7 0

3 years ago