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dalvyx [7]
4 years ago
15

What is an equivalent expression for 5(3x-2)

Mathematics
2 answers:
babunello [35]4 years ago
6 0
Distribute
remember the distributive property
a(b-c)=ab-ac
5(3x-2)=5(3x)-5(2)=15x-10
Talja [164]4 years ago
3 0
5(3x-2)

Multiply everything in the parenthesis 

15x - 10 
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A trapezoid has an area of 342 square yards. The length of one base is 17 yards, and the length of the other base is 21 yards. W
dedylja [7]

The height of trapezoid is 18 yards

<em><u>Solution:</u></em>

Given that, trapezoid has an area of 342 square yards

The length of one base is 17 yards, and the length of the other base is 21 yards

To find: height of trapezoid

<em><u>The area of trapezoid is given by formula:</u></em>

area = \frac{a+b}{2} \times h

Where "h" is the height

"a" and "b" are the length of base

Here given that,

area = 342 square yards

a = 17 yards

b = 21 yards

h = ?

<em><u>Substituting the values we get</u></em>,

342 = \frac{17+21}{2} \times h\\\\342 \times 2 = 38 \times h\\\\ 684 = 38h\\\\h = \frac{684}{38}\\\\h = 18

Thus height of trapezoid is 18 yards

6 0
3 years ago
It is true that 1 foot = 12 inches. explain why it is not true that 1 square foot = 12 square inches.
NikAS [45]

we know that

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so, we can see that it is not equal to 12 inch^2

that's why 1 foot^2=12 inch^2 is not true

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Answer:

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