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stellarik [79]
2 years ago
10

Which expression is equivalent to 7^k^2 where k is an even number?

Mathematics
1 answer:
AURORKA [14]2 years ago
6 0

Answer:

49k

Step-by-step explanation:

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The distance between the two points pictured is d= Vn
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the distance between points is:

d = 7.8 units

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3 years ago
Factor 8x^3y + 38x^2y - 10xy
Sophie [7]

Answer:

2xy(x+5)(4x−1)

Step-by-step explanation:

1 Find the Greatest Common Factor (GCF).

GCF = 2xy

2 Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

2xy (8x^3y + 38x^2y/2xy + −10xy/2xy)

3 Simplify each term in parentheses.

2xy(4x^2 +19x−5)

4 Split the second term in 4x^2+19x-5 into two terms.

2xy(4x^2 +20x−x−5)

5 Factor out common terms in the first two terms, then in the last two terms.

2xy(4x(x+5)−(x+5))

6 Factor out the common term x+5.

2xy(x+5)(4x−1)

7 0
2 years ago
What is the area of a circle with a radius of 42 inches?<br> in²<br> (Use 3.14 for Pi.)
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Answer:

Area of circle = π r ^ 2

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= 5538.96 in^2

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1. suppose you purchased a new car for
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