5{-3.4k-7} + {3k+21}

Answers

Answer 1

Answer: The answer is −14k−14. Hope this helps.

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Please help. thank you so much

Find the sum (9x+4) + (6x-6)

Answers

Hey mate !!

Here's the answer !!

All the terms in the question are like terms. Hence we can add them as it is. Refer to the attachment for the answer !!

Hope it helps !!

Cheers !!

9x + 4) + (6x - 6)
15x - 2 = 0
15x - 2 + 2 = 2
15x = 2
X = 2/15 = 0.133333333

A circle has how many straight sides and vertices it have

Answers

a circle has 0 striahgt side and 0 vertices
a vertex is basicaly like a corner
the side of a circle is curved (not straight)

0 straight sides and vertices

A telephone call costs 25 cents for the first 3 minutes. 12 cents for each additional minute. find the cost for a call than began at 7:55 pm and end 9:07 pm. (explain how you got your answer)

Answers

call was 1 hr 52 minutes. 3 minutes x 25 cents =.75. 109 minutes x 12 cents=$13.83

I am a number between 10 and 25. I am a multiple of 8 and one of my digits is 2 what number am I?

Answers

24 could be it................

the number is 24.........

7 times blank equals 56

Answers

There are two ways to work this question out:

1. First you need to know how many times 7 can go into 56 and obviously 56 is in the 7 times table which is easy to find out. The answer would be 8. (7 * 8 = 56)

2. The other way is that you can just simply divide 56 by 7 which you will get the answer as 8.

I hope this helped! :)

*The answer is 8* because, If you divide 56/7 you get 8. If you have any more question like that always do the inverse operation. Example: 6 x ___= 42 the inverse or opposite operation is division because division is the opposite of multiplication like adding is to subtracting. So we would do 42/6 (Inverse operation) and we get 7. So, the answer to the question is 6 x *7* = 42. Hope this trick will help! (Subtraction & Division don't work the same! Only, Addition and Multiplication does!)

~ Helping Hand.

A rectangle has a length six less than three times the width.If the perimeter is 28 units find the width and length