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4 years ago

A trapezoid has an area of 13.5 square inches. If the bases are 3 inches and 6 inches, what is the height of the trapezoid?

Mathematics

2 answers:

IRISSAK [1]4 years ago

3 0

Its three because three divided by two times three plus equal 13.5

lana [24]4 years ago

3 0

Answer:

h = 3 inches

Step-by-step explanation:

A = (B + b)/2×h

13.5 = (6 + 3)/2×h

27 = 9h

h = 27 : 9

h = 3 inches

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Sveta_85 [38]

Answer:

-$0.16

Step-by-step explanation:

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4 years ago

How many square tiles of side 10cm each will be needed to tile a floor which is 300cm long and 150cm wide?

S_A_V [24]

Step 1

Find the area of one tile

we know that

the area of a square is

$A=b^{2}$

where b is the length side of the square

In this problem

$b=10\ cm$

Substitute

$A=10^{2}=100\ cm^{2}$

Step 2

Find the area of the floor

The area of a rectangle is equal to

$A=LW$

where

L is the length of the rectangle

h is the width of the rectangle

In this problem

$L=300\ cm$

$W=150\ cm$

Substitute

$A=300*150=45,000\ cm^{2}$

Step 3

Find the number of tiles needed

by proportion

$\frac{1}{100} \frac{tile}{\ cm^{2}} =\frac{x}{45,000} \frac{tile}{\ cm^{2}} \\ \\x=45,000/100 \\ \\x=450 \ tiles$

therefore

the answer is

$450 \ tiles$

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3 years ago

What's the nearest hundred thousand to 491,852

kirza4 [7]

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How many 3/4-ounce servings of rice are in an 8 1/4-ounce bag of rice ?

nadezda [96]

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3 years ago