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ioda
3 years ago
13

Geometry find the surface area please

Mathematics
1 answer:
nata0808 [166]3 years ago
5 0
Find the surface area of what?
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Jessica and Nancy are members of different video game libraries. Jessica pays a membership fee of $40, and she pays $5 for every
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36 because I did this on my test before
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3 years ago
a trapezoide has an area of 150 square meters. If the bases are 14 meters and 16 meters, what is the height of the trapezoid​
SIZIF [17.4K]

Answer:

h = 10 m

Step-by-step explanation:

The formula for area of a trapezoid is  

A = (1/2)(B + b)h   where B is the bottom base, b is the top base, and h is the height.  

We are given B = 16, b = 14, and A = 15, plug those values in and simplify

150 = (1/2)(16 + 14)(h)

      150 = (1/2)(30)(h)

          150 = (15)h             (half of 30 is 15)

                10 m =  h       (divide both sides by 15 to isolate h)

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3 years ago
What is a triangle equal to​
VashaNatasha [74]

Answer:

A triangle equals 180 degrees.

4 0
3 years ago
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a scale drawing of valarie's garden uses a scale of 2 inches = 5 feet. If the garden's width on the scale drawing measures 3 inc
kvasek [131]
Every inch represents 2.5 feet

2.5 × 3 = 7.5

valarie's garden is 7.5 feet in width
8 0
3 years ago
An airplane's altitude changes -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?
Sveta_85 [38]
<h2>Answer:</h2>

<u>The mean altitude will be</u><u> -54 per minute</u>

<h2>Step-by-step explanation:</h2>

We are given with altitude change as -378 feet over 7 minutes

Now

We need feet per minute

So -378 / 7 will give us the altitude change per minute

-378 / 7 = -54

Therefore the mean change of altitude in feet per minute is -54 per minute

8 0
3 years ago
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