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solong [7]
3 years ago
10

Please help me this only works once

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0

Answer:

A

Step-by-step explanation:

all can divide by 4

12/4 = 3

16/4 = 4

Kazeer [188]3 years ago
7 0
A B C and E

D can be simplifies down to 5/7 so it wouldn’t work :)
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Write 28 + 24 as a product of two factors using the GCF and the distributive property
Harman [31]

Answer:

4 x 13

Step-by-step explanation:

GCD of 28 and 24 is 4

28 = 4 x 7

24 = 4 x 6

u take the 4 out

4 (7 + 6)

4 x 13

6 0
3 years ago
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The sales tax in the town where Amanda lives is 8%. Amanda paid $40 in sales tax on a new stereo. What was the price of the ster
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6 0
2 years ago
Use the equation below to find y, if m= 8 and x=6.<br> y=mx <br> y=?
Lunna [17]

Answer:

The value of y is 48.

Step-by-step explanation:

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8 0
2 years ago
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Can someone please help with 15?
natima [27]
The answer would be c
8 0
3 years ago
HELP ME PLEASEE
Nina [5.8K]

Answers:

x = -8/5 or x = 8/5

Sum of the first ten terms where all terms are positive = 4092

========================================================

Explanation:

r = common ratio

  • first term = 4
  • second term = (first term)*(common ratio) = 4r
  • third term = (second term)*(common ratio) = (4r)*r = 4r^2

The first three terms are: 4, 4r, 4r^2

We're given that the sequence is: 4, 5x, 16

Therefore, we have these two equations

  • 5x = 4r
  • 4r^2 = 16

Solve the second equation for r and you should find that r = -2 or r = 2 are the only possible solutions. If r = -2, then 5x = 4r solves to x = -8/5. If r = 2, then 5x = 4r solves to x = 8/5.

-----------------

To find the sum of the first n terms, we use this geometric series formula

Sn = a*(1 - r^n)/(1 - r)

We have

  • a = 4 = first term
  • r = 2, since we want all the terms to be positive
  • n = 10 = number of terms to sum up

So,

Sn = a*(1 - r^n)/(1 - r)

S10 = 4*(1 - 2^10)/(1 - 2)

S10 = 4*(1 - 1024)/(-1)

S10 = 4*(-1023)/(-1)

S10 = 4092

8 0
2 years ago
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