3 years ago

Which of the following expressions represents the phrase “twice the sum of a number and 5”

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

5 0

Answer:

2(x+5)

Step-by-step explanation:

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3 years ago

Which inequality is graphed below

Aneli [31]

Answer:

Step-by-step explanation:

> is a dotted line and the area above it is shaded

< is a dotted line and the area below it is shades

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≤ is a solid line with the area below it shaded

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3 years ago

(7i)(-4i) a. -28i b. 28 c. -28 d. -32i

levacccp [35]

Hey!

Explanation:

↓↓↓↓↓↓↓↓↓↓

First, remove parenthesis.

$7i4i$

Secondly, multiple by the numbers.

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$-28ii$

Third, apply exponents rule.

$-28i^2$

$i^2=-1$

$-28(-1)$

Finally, refine.

$=28\\$

Answer⇒⇒⇒⇒28

Hope this helps!

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Have a great day!

-Charlie

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If ☆ x 2 = 0, then ☆ 8 will equal: 0 + 6 O + 8 0 x 2 O X4 0 x 8

soldier1979 [14.2K]

The last one I think

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