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ehidna [41]
3 years ago
14

Help now pls! Algebra 1 HW stuck on a question

Mathematics
1 answer:
Rus_ich [418]3 years ago
6 0

Answer:

false a = -3

Step-by-step explanation:

7v^2 + 2v^3 -7v - (5v^3 -4v^2 +10v)

7v^2 + 2v^3 -7v - 5v^3 +4v^2 -10v

-3v^3 + 11v^2 -17v

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Ben weighs 140.8 pounds, and Jennifer weighs 117.7 pounds. How many more pounds does Ben weigh than Jennifer?
DENIUS [597]

Answer:

Ben weighs 23.1 lbs more than Jennifer.

Step-by-step explanation:

To find the difference between Ben and Jennifer's weight, you have to subtract the smaller number from the bigger number. In this case, subtract Jennifer's weight from Ben's weight. This would look like this: 140.8-117.8.

140.8-117.7=23.1

Therefore, Ben weighs 23.1 lbs more than Jennifer.

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2 years ago
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NemiM [27]

Answer:

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Step-by-step explanation:

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2 years ago
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Scorpion4ik [409]

Answer:

<h2>2.2</h2>

Step-by-step explanation:

Use the cosine law (look at the picture).

We have:

a=a\\b=4\\c=3\\\gamma=32^o

a^2=4^2+3^2-2(4)(3)\cos32^o

\cos32^o\approx0.848 → look at the second picture

a^2=16+9-24(0.848)\\\\a^2=25-20.352\\\\a^2=4.648\to a=\sqrt{4.648}\\\\a\approx2.2

4 0
3 years ago
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Step-by-step explanation:

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2 years ago
Peggi put some hairbows in 6 party bags. Her sister Tori put 2 more
irga5000 [103]

Answer:

Peggi put a total of 18 hair bows in the bag

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