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hram777 [196]
3 years ago
5

What is the solution to the equation? 3/4(4c+16)=2c+9

Mathematics
2 answers:
guajiro [1.7K]3 years ago
7 0
\frac{3}{4}(4c+16)=2c+9\ \ \ |use\ distributive\ property\ a(b+c)=ab+ac\\\\\frac{3}{4}\cdot4c+\frac{3}{4}\cdot16=2c+9\\\\\frac{3}{\not4_1}\cdot\frac{\not4c}{1}+\frac{3}{\not4_1}\cdot\frac{\not16^4}{1}=2c+9\\\\3c+12=2c+9\ \ \ \ |subtract\ 2c\ and\ 12\ from\ both\ sides\\\\\boxed{c=-3}
ella [17]3 years ago
4 0
<span>3/4(4c+16)=2c+9

We simplify the equation to the form, which is simple to understand
<span>3/4(4c+16)=2c+9

Reorder the terms in parentheses
<span>+(+3c+12)=2c+9

Remove unnecessary parentheses
<span>+3c+12=+2c+9

We move all terms containing c to the left and all other terms to the right.
<span>+3c-2c=+9-12

We simplify left and right side of the equation.
<span>+1c=-3

We divide both sides of the equation by 1 to get c.
<span>c=-3
Hope this helped! :)

</span></span></span></span></span></span></span>
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Natalka [10]
The measurements are:
b₁ = 8.4 inches; b₂ = 14 inches; leg₁ = 2.8 inches; leg₂ = 2.8 inches

Let x = length of base and leg

The formula for perimeter of isosceles trapezoid is P = b₁ + b₂ + 2(leg)
Where: b = base

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Now, substitute the values:
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8 0
3 years ago
Help me to solve this
antoniya [11.8K]
The answer is 2cm

8 \times 10 {}^{ - 3} \times 250 = 2000 \times 10 {}^{ - 3} \\ = 2
or:
8 \times {10}^{ - 3} \times 250 = 0.008 \times 250 \\ = 2

good luck
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