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Alona [7]
3 years ago
10

1 3/7 plus 1 5/7 is how much in all

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0
1 3/7 + 1 5/7 = 3 1/7

How to solve:

* Add whole numbers ( 1 + 1) and add numerators ( 3 + 5) Never add the denominators

*The answer will give you 2 8/7, but that's not write so I add 1 to 2 to make it 3 and make the numerator 1 so now the answer is 3 1/7

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fiasKO [112]
3 divide by 5 is 0.6 and you move the decimal two places to the right and your percentage is 60%
3 0
3 years ago
Read 2 more answers
the sum of the first nine terms of an arithmetic series is 162, and the sum of the first 12 terms is 288. Determine the first fi
Natali5045456 [20]

Answer:

\boxed{\pink{\tt \leadsto Sum \ of \ first \ five \ terms \ is \ 50 . }}

Step-by-step explanation:

Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

\boxed{\red{\bf \bigg\lgroup For \ answer \ refer \ to \ attachment \bigg\rgroup  }}

<h3><u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>

• The sum of n terms of an AP is

\boxed{\orange{\sf S_n = \dfrac{n}{2}[2a+(n-1)d] }}

• nth term of an AP is given by ,

\boxed{\blue{\sf T_n = a+(n-1)d }}

8 0
2 years ago
Can you factor -2x + 6 to get -2(x - 3)
QveST [7]

Answer:

Yes

Step-by-step explanation:

Divide -2x + 6 by -2, then bring the -2 outside the bracket

6 0
3 years ago
Which of the above polynomials is a 5th degree trinomial?
diamong [38]
Easy

5th degree means highest power is 5 so must have x^5

trinomial means 3 terms

A. trinomial, highes power is 5, check
b. trinomial, highest power is 3, nope
c. not a trinomial, highest power is 3, nope
d. not a trinoial, highest power is 5, nope

answer is A
7 0
3 years ago
Write two equivalent ratios. 7 : 6
jekas [21]

Answer:

4:3 or 1:0

Step-by-step explanation:

4 0
3 years ago
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