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Yuri [45]
3 years ago
6

Need help ASAP - 20 points .

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0
It’s either d or c if it isn’t one of those then I’m so sorry
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The annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to
Serjik [45]
B: 914-20(27.80)=X, multiply: 20(27.80)=556, 914-556=$358 :A.

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3 0
3 years ago
How many vertices does a triangular prism have?<br> 4<br> 5<br> 6<br> 9
Artist 52 [7]

Answer:

6

Step-by-step explanation:

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5 0
4 years ago
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Solve x2 + 4x − 12 = 0.
son4ous [18]

Answer:

x = 2

x = -6

Step-by-step explanation:

Solve it by using the factoring method

x2 + 4x − 12 = 0.

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3 0
3 years ago
PLEASE HELP ILL MARK BRAINLIEST <br><br> Simplify the expression.<br> (a + 2b)3 – 3a
Wittaler [7]

Answer:

The answer is 6b

Step-by-step explanation:

1) Regroup terms.

3(a + 2b) - 3a

2) Expand by distributing terms.

3a + 6b  - 3a

3) Collect like terms .

(3a + 3a) + 6b

4) Simplify.

6b

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>6b</u><u>.</u><u> </u>

6 0
3 years ago
Any suggestions or ideas
Marizza181 [45]
C. Point reflection of the origin. Or B. But I think it's C.
5 0
3 years ago
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