11

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

Bill's answer is wrong because timesing 150 by 1.3 is increasing the number by 30%, not 3%

If he wanted to use this method, he would have ti times 150 by 1.03

Harman [31]3 years ago

3 0

Answer:

154.5

Step-by-step explanation:

Bill's method is wrong since 3% is equivalent to 0.03 or 3/100 and not 1.3 so this is where the mistake is. Moreover, Bill's method is not only wrong but also incomplete.

In order to increase 150 by 3% you will have to determine how much is 3% of 150 to have it increased by that specific amount.

Calculations:

150 x 0.03 = 4.5

Now that we know 4.5 is 3% of 150, we can add 4.5 to 150 to increase it by 3%.

150 + 4.5 = 154.5

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What is the answer to:

velikii [3]

Weird way to write it but alright! (Sideways)

19pq^-2 x 5pq^6 = ?

These problems are pretty much single operations between each of the variables / constants.

So it's like this:

(19*5)(p*p)(q^-2*q^6) = ?

19*5 is 95.

For p*p remember that when two variables multiply there given powers add. In the case where the powers are not shown (like in the case of p*p) they are always assumed to be 1. So what is 1+1? 2.

p*p is p^2

For q^-2*q^6 it is the same deal with the previous problem. So now the problem looks like this:

-2 + 6 = 4
(The two is negative, because the power is negative 2)

So, q^4.

Our final answer is all of the combined.... like a so:

95p^2q^4

3 0

3 years ago

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slamgirl [31]

Answer:

Step-by-step explanation:

(5x4) - 6 / 2 = x

7 0

3 years ago

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