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Flura [38]
3 years ago
7

HELP! I Need To Finish Before Class Starts Tomorrow

Mathematics
1 answer:
Helga [31]3 years ago
8 0
49
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Help me please! I would appreciate it! :)
GenaCL600 [577]

Answer:

y = 11 1/2

Step-by-step explanation:

7y - 63 = y + 3

-y.           -7

6y - 63 = 3

+ 63.     + 63

6y = 69

/6.     /6

y = 11 1/2

3 0
2 years ago
Read 2 more answers
- 16m’n-(-25m’n)+(-7m’n)Which of the following is equivalent to the expression above?
Westkost [7]

As a rule , - times - = + and - times + = -

\begin{gathered} -16m^2n-(-25m^2n)+(-7m^2n\text{ ) } \\ =-16m^2n+25m^2n-7m^2n\text{  ( based on the rule above )} \\ =+9m^2n-7m^2n\text{    ( -16 + 25 = + 9 )} \\ =+2m^2n \end{gathered}

Therefore the correct answer to the question is 2m squared n

5 0
1 year ago
100 POINTS PLEAS please help
Kamila [148]

Answer:

\textsf{A)} \quad 5u^3-2u^2+5u+8

Step-by-step explanation:

Given expression:

(-2u^3+5u-1)+(7u^3-2u^2+9)

Remove parentheses:

\implies -2u^3+5u-1+7u^3-2u^2+9

Collect like terms:

\implies -2u^3+7u^3-2u^2+5u-1+9

Combine like terms:

\implies 5u^3-2u^2+5u+8

6 0
2 years ago
Read 2 more answers
Please help my sister with this! 4. 3 gallons of paint are used to paint 16 wooden signs how much paint did you sign used betwee
Paul [167]

Answer:

<h2><em><u>.1etc</u></em></h2>

Step-by-step explanation:

It would be 16 divided by 3 and from the answer you get from that you should divide it by itself equaling infinite .111111111111etc

4 0
3 years ago
Find the sum of the first 7 terms of the following series, to the nearest integer.
givi [52]

Answer:

9.983796

Step-by-step explanation:

Every time, it becomes smaller by 5/2 (6 divided by 5/2 is 12/5.... 12/5 divided by 5/2 is 24/25)

So, the first seven terms are 6, 2.4, 0.96, 0.384, 0.1536, 0.06144, 0.024756. Add them together and your answer would be 9.983796

Pleaseeee mark me brainliest :))

3 0
2 years ago
Read 2 more answers
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