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Anvisha [2.4K]
2 years ago
12

15100 x 151000 = 15100000 True or false

Mathematics
1 answer:
stealth61 [152]2 years ago
6 0

Answer:[p[pp[p[p[

Step-by-step explanation:

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Alima is solving a question, where a given number has to be multiplied by 15. Alima did not read the question carefully, and mul
loris [4]

x    -  Alma's given number

15•x  -  the number multiplied by 15 (the correct answer)

5•x   - the number multiplied by Alma (Alma's answer)

her answer is 150 less than the correct answer:

5•x = 15•x - 150

15x - 150 = 5x

15x - 5x = 150

 10x = 150

   <u>x = 15</u>

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2 years ago
Silvia wants to retire at 65 and live on 40,000 a year. How much does she need to save to ensure that her retiement funds last u
ExtremeBDS [4]

Answer:

A If this is maths!!!

Step-by-step explanation:

If we rely solely on mathematics then the answer must be A. The other options seem to be from economy so it has nothing with mathematics. Please make sure that this is math task then answer.

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3 years ago
(ab)(6a^5b)(-ab) simplified please
harkovskaia [24]

Answer:

25b3a+93b+60a=30a2+b2

Step-by-step explanation:

8 0
3 years ago
1/4x+2=-4 how do you do this step by step?​
Sonbull [250]

Answer:

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4 0
3 years ago
Mr. Jones purchased two sodas.
kondaur [170]

Answer:

  the prices were $0.05 and $1.05

Step-by-step explanation:

Let 'a' and 'b' represent the costs of the two sodas. The given relations are ...

  a + b = 1.10 . . . . the total cost of the sodas was $1.10

  a - b = 1.00 . . . . one soda costs $1.00 more than the other one

__

Adding these two equations, we get ...

  2a = 2.10

  a = 1.05 . . . . . divide by 2

  1.05 -b = 1.00 . . . . . substitute for a in the second equation

  1.05 -1.00 = b = 0.05 . . . add b-1 to both sides

The prices of the two sodas were $0.05 and $1.05.

_____

<em>Additional comment</em>

This is a "sum and difference" problem, in which you are given the sum and the difference of two values. As we have seen here, <em>the larger value is half the sum of the sum and difference</em>: a = (1+1.10)/2 = 1.05. If we were to subtract one equation from the other, we would find <em>the smaller value is half the difference of the sum and difference</em>: b = (1.05 -1.00)/2 = 0.05.

This result is the general solution to sum and difference problems.

5 0
2 years ago
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