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3 years ago

Write each phrase as an algebraic expression

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

7 0

1. 15-x
2. 4y
These are algebraic expressions for both.

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3 years ago

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Nutka1998 [239]

Answer:

The answer is A.

Step-by-step explanation:

You have to apply :

${(a - b)}^{2} ⇒ {a}^{2} - 2ab + {b}^{2}$

So for this question :

${(3a - b)}^{2}$

$= {(3a)}^{2} - 2(3a)(b) + {(b)}^{2}$

$= 9 {a}^{2} - 6ab + {b}^{2}$

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Answer:

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3 years ago

100 POINTS

Kisachek [45]

Answer:

Part A) $m=3$

Part B) $m=1$

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Part A) Determine the slope for the line that passes through the points (3,5) and (−1,−7)

substitute the values in the formula

$m=\frac{-7-5}{-1-3}$

$m=\frac{-12}{-4}$

$m=3$

Part B) Determine the slope for the line that passes through the points given by the table of values

Looking at the given table, take two points

(0,-5) and (2,-3)

substitute the values in the formula

$m=\frac{-3+5}{2-0}$

$m=\frac{2}{2}$

$m=1$

7 0

3 years ago

Write each phrase as an algebraic expression ​

Write each phrase as an algebraic expression