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yuradex [85]
3 years ago
6

Which expression is equivalent to –4(5x – 9) + 6(2x + 5)?

Mathematics
1 answer:
aleksklad [387]3 years ago
7 0

Answer:

B

(-20x + 36)+(12x+30)

-8x+66

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The surface area is 1152 cm^2
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Points a,b and c are collinear and in that order. If AC=3x+3, AB=-1+2x, and Bc=11, find x and AC
zimovet [89]

The answers are:

AC = AB + BC

3x+3 = -1+2x+11

3x-2x = -1-3+11

x = 7


AC = 3x+3                   x = 7

AC = 3x7+3

AC = 24


Hope it helps!


4 0
3 years ago
The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s
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3 years ago
Find the equivalent fraction for 10/20
dezoksy [38]
\frac{10}{20} =  \frac{ \frac{10}{10} }{ \frac{20}{10} } =  \frac{1}{2}
6 0
3 years ago
The price of the product decreased by 10%and then decreased by 20% . calculate total percentage change between the final and ini
aev [14]

What is percentage change?

By quantifying the difference between two numbers and expressing it as an increase or decrease, the Percentage Change Calculator (percent change calculator) may determine the percentage change.

The initial price V_{1} (100%) was decreased by 10%., then this reduced price is reduced more by 20% that becomes the final price V_{2} which is 72.

Calculate percentage change from $V_{1}=100$ to $V_{2}=72$.

=& \frac{\left(V_{2}-V_{1}\right)}{\left|V_{1}\right|} \times 100 \\

=& \frac{(72-100)}{|100|} \times 100 \\

=& \frac{-28}{100} \times 100 \\

=&-0.28 \times 100 \\

=&-28 \% \text { change } \\

=& 28 \% \text { decrease }

To know more about percentage change visit:

brainly.com/question/7568722

#SPJ4

7 0
2 years ago
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