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ELEN [110]
3 years ago
14

Simplify: (−2)3 · (−2)4 A) (−2)12 B) (−2)7 C) 212 D) 27

Mathematics
2 answers:
DochEvi [55]3 years ago
4 0
-2 is the constant on both sides so if you pull out the -2 you get...

(-2)×[3×4]

which can further be simplified to
(-2)×12 ---> (-2)12
Dahasolnce [82]3 years ago
3 0
Since both sides have a -2 in then you can pull it out making the equation -2(3*4) which equals -2(12) so A is correct
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A phone company offers two packages of service. Package A is $35.00 per month with an additional charge of $0.15 per minute for
ella [17]

Answer: 200 minutes have to be used for the costs of both plans to be the same.

Step-by-step explanation:

Let x represent the number of minutes that have to be used for the costs of both plans to be the same.

Package A is $35.00 per month with an additional charge of $0.15 per minute for long distance. This means that the cost of using package A for x minutes in a month would be

35 + 0.15x

Package B is $45.00 per month with an additional charge of $0.10 per minute for long distance. This means that the cost of using package A for x minutes in a month would be

45 + 0.1x

For both costs to be the same, it means that

35 + 0.15x = 45 + 0.1x

0.15x - 0.1x = 45 - 35

0.05x = 10

x = 10/0.05

x = 200

3 0
3 years ago
Which value is equivalent to x+4/4+x?<br><br> A. -4<br> B. -1<br> C. 1<br> D. 4
MaRussiya [10]

Answer:

Hello :

(x+4)/(4+x) = (x+4)/(x+4)  = 1   ( answer : C )  but x+4 no : 0



3 0
3 years ago
Read 2 more answers
Which of the following is equivalent to 1/8?
neonofarm [45]
Answer: 1 to 8
Reason: because there’s 1 of 8 items is the same ratio
5 0
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One afternoon, 27 people withdraw $100 from an ATM. What was the overall change in the amount of money in the machine?​
Usimov [2.4K]

Answer:

The change is a decrease of $2700.

Step-by-step explanation:

Given

Total Number of people = 27

Amount each person withdrew = $100

The total withdrawn amount by 27 people = 100 × 27

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Let M be the amount of money in the ATM at the beginning.

As $2700 was drawn from the ATM, therefore, the change the amount of money in the machine will be:

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It means the change is a decrease of $2700.

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$2.26 pounds of horse feed
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