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3 years ago

Three times the sum of a number and 5 is 4

2 answers:

8 0

3(x+5)=4. Use the distributive property to get 3x+15=4 to get rid of the parenthesis. Then, subtract 15 from 4 to get 3x=-11. Divide -11 by 3 to get -3.6666667 or -3 2/3.

Hope this helps!

galben [10]3 years ago

4 0

i think it is 27 i did 5+4 then i did 9x3 and got 27

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3 years ago

Given the following expressions:

Tamiku [17]

Step-by-step explanation:

Step 1:

A . 5 with an exponent of 3 times 5 with an exponent of -4

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B . (1/4) with an exponent of 3 times (1/4) with an exponent of 2

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C. Same as above

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3 0

4 years ago

I need help with 20 plz

lesantik [10]

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3 years ago

Explain why a positive times a negative is a negative number.

prohojiy [21]

Explanation:

This can be explained by thinking numbers on the number line as:

Lets take we have to multiply a positive number (say, 2) with a negative number say (-3)

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Suppose someone is standing at 0 on the number line and to go to cover -3 , the person moves 3 units in the left hand side. Since, we have to compute for 2×(-3), The person has to cover the same distance twice. At last, he will be standing at -6, which is a negative number.

A image is shown below to represent the same.

Thus, a positive times a negative is a negative number.

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4 years ago