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Triss [41]
2 years ago
10

Find the common difference of the arithmetic sequence - 11,-16, -21, ... ? Answer.

Mathematics
1 answer:
saveliy_v [14]2 years ago
6 0

Answer:-26 is the next number

Step-by-step explanation:you just -5

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X + 10 = 20 ?????????????????????????????????????
Phoenix [80]
X  = 20 - 10
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3 years ago
Read 2 more answers
Carl collects coins compulsively, but he only likes quarters ($0.25) and dimes ($0.10). Carl currently has 125 coins for a total
Bogdan [553]

Answer:

Carl has 35 dimes and 90 quarters

Step-by-step explanation:

Let the number of quarters be q and the number of dimes be d

Total number of coins is 125;

Hence;

q + d = 125 •••••••••(i)

The total value of quarters present = q * 0.25 = 0.25q

The total value of dimes present = d * 0.1 = 0.1d

Adding both gives the total

0.25q + 0.1d =26 ••••••••(ii)

So we need to solve both equations simultaneously;

From i,

q = 125 - d

Substitute this into ii

0.25(125-d) + 0.1d = 26

31.25 -0.25d + 0.1d = 26

31.25 -26 = 0.25d -0.1d

5.25 = 0.15d

d = 5.25/0.15

d = 35

Recall; q = 125 - d = 125 -35 = 90

7 0
3 years ago
Solve the equation.<br> 4x = -28<br> x=_____
Liono4ka [1.6K]
I think x= -7 because 4x7=28
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Step-by-step explanation:

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