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shepuryov [24]
3 years ago
10

What is -7 divided by 1/2?

Mathematics
2 answers:
Temka [501]3 years ago
7 0

<u><em>Answer:  =-14 *The answer should be the negative sign.*</em></u>

Step-by-step explanation:

multiply by the fraction apply rule.

7*2/1

7*2=14

14/1=14

-14/1

=-14

Hope this helps!

Thanks!

Have  a great day!

Aleks04 [339]3 years ago
3 0
-7÷1/2=-14 is your answer
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Answer:

Casey Bought 6 bags of chips

Step-by-step explanation:

If each sandwich costs 3 times the amount of a bag of chips and the sandwich is 6 dollars, the chips are 2 dollars. Casey bought 5 sandwiches and spent $30 dollars on sandwiches. Since the total was $42 dollars you have $12 dollars left to get your total of $42. 2x6 = 12 so therefore Casey bought 6 bags of chips.

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Natalie had a job after school. She worked 25 hours a week and got paid $6.25 an hour. How much money would she earn for two wee
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The common ratio of a geometric series is 3 and the sum of the first 8 terms is 3280.
Pavlova-9 [17]

Answer:

The first term of the geometric series is 1

Step-by-step explanation:

In this question, we are tasked with calculating the first term of a geometric series, given the common ratio, and the sum of the first 8 terms.

Mathematically, the sum of terms in a geometric series can be calculated as;

S = a(r^n-1)/( r-1)

where a is the first term that we are looking for

r is the common ratio which is 3 according to the question

n is the number of terms which is 8

S is the sum of the number of terms which is 3280 according to the question

Plugging these values, we have

3280 = a(3^8 -1)/(3-1)

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