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kifflom [539]
3 years ago
12

What is 315 divided by 0.9?

Mathematics
2 answers:
Finger [1]3 years ago
8 0
The answer is 350......
IgorC [24]3 years ago
3 0
315 \div 0.9 =  \dfrac{315}{0.9}  =  \dfrac{315\times 10 }{0.9 \times 10}=  \dfrac{3150}{9}  = \dfrac{3150 \div 9}{9 \div 9} = \dfrac{350}{1} = 350
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The first term of a geometric series is -3, the common ratio is 6, and the sum of the series is -4,665. Using a table of values,
tamaranim1 [39]

Answer:

Option A. 5

Step-by-step explanation:

From the question given above, the following data were obtained:

First term (a) = –3

Common ratio (r) = 6

Sum of series (Sₙ) = –4665

Number of term (n) =?

The number of terms in the series can be obtained as follow:

Sₙ = a[rⁿ – 1] / r – 1

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–4665 = –3[6ⁿ – 1] / 5

Cross multiply

–4665 × 5 = –3[6ⁿ – 1]

–23325 = –3[6ⁿ – 1]

Divide both side by –3

–23325 / –3 = 6ⁿ – 1

7775 = 6ⁿ – 1

Collect like terms

7775 + 1 = 6ⁿ

7776 = 6ⁿ

Express 7776 in index form with 6 as the base

6⁵ = 6ⁿ

n = 5

Thus, the number of terms in the geometric series is 5.

8 0
2 years ago
What is 7/6y-8=2<br> A 5 5/9<br> B -10 4/5<br> C 18<br> D 20
koban [17]

Answer: The answer is actually 8 4/7

Step-by-step explanation:

Because...

7/6y-8=2

Add the 8 to the other side

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You then have you divide 7/6y by 7/6, then do it to the other side giving you 60/7.

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Answer:

b. 3 pounds

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2 years ago
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