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rewona [7]
3 years ago
5

The zoo had 20 successful roadrunner births. Unfortunately 15% of them died from heat exhaustion. How many survived?

Mathematics
2 answers:
ddd [48]3 years ago
5 0

Answer:

17

Step-by-step explanation:

First you take the starting value and multiply it by 0.15 or 15%. Then you need to subtract that value from starting value. Then you get your final answer.

Math:

20 * 0.15 = 3

20 - 3 = 17

uranmaximum [27]3 years ago
3 0

Answer:

17

Step-by-step explanation:

15% of 20 is three

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Below.

Step-by-step explanation:

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As a fraction, you could write it as 35/100 because its 0.35 or 35/100

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An object in the shape of a rectangular prism has a length of 5 inches, a width of 3 inches, and a height of 2 inches. The objec
belka [17]

Answer:

4,080grams

Step-by-step explanation:

the formula for density is:

d=\frac{m}{V}

where d is density, m is mass, and V is volume.

solving for m in the last equation:

m=d*V

so if we find the volume and multiply it by the density d=8.3gr/cm^3  we will get the mass of the object.

The volume of a rectangular prism is given by:

V=l*w*h

where l is length, w is width and h is height:

l=5in\\w=3in\\h=2in

we substitute to find the volume:

V=5in*3in*2in\\V=30in^3

since the density has units of cm^3 we need the volume also in units of cm^3 , so we make the conversion using:

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multiplying by 30:

30in^3=491.612cm^3

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8 0
3 years ago
Help&amp;EXPLAIN <br> ==============
larisa86 [58]

Answer:

A = 108 in.²

Step-by-step explanation:

The figure can be decomposed into 3 rectangles.

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L = 8 in.

W = 6 in.

Area = 8*6 = 48 in.²

✔️Area of rectangle 2 = L*W

L = 10 in.

W = 4 in.

Area = 10*4 = 40 in.²

✔️Area of rectangle 3 = L*W

L = 5 in.

W = 4 in.

Area = 5*4 = 20 in.

✔️Area of the irregular figure = 48 + 40 + 20 = 108 in.²

8 0
3 years ago
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