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DiKsa [7]
3 years ago
14

15+[-8 (-4)] how do I work this problem..

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0
Multiply -8 by -4, then add fifteen! Your answer will be 47!
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10!/1!9!+10!/2!8!+10!/3!7!+10!/4!6!​
Vladimir79 [104]

Answer: 1.3931 E 12

Step-by-step explanation:

plugged into the calculator and got this!      

5 0
3 years ago
A man leaves home at 20:15 hrs and
Mila [183]

Answer:

9 hours and 45 mins

Step-by-step explanation:

First, this is in army time. (Just so you know!) Also, it goes to 24 hours.

What you would do is add 45 mins to get to a single hour: so 20:15 + 45 = 21:00, then add 3 to get to 24:00 or 12:00 am, then add 6 more hours to get to 6:00 hours. So the final answer is 9 hours and 45 mins

7 0
2 years ago
Eric has been donating books he no longer needs to his local library. After 3 months of donating, he had 157 books left in his r
Zanzabum
He donated about eleven books per month.
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3 years ago
Simplify each expression<br> EACH
Snowcat [4.5K]

Answer:

it is a result of 30 if I remember correctly

4 0
3 years ago
Read 2 more answers
Find the roots of the quadratic equation x^2 – 8x = 9 by completing the square. Show your work.
forsale [732]

Answer:

x = -1

x = 9

Step-by-step explanation:

First you have to equals the equation to zero, then you have to find two numbers that their sum equals 8 and multiplied equals -9. In this case, those numbers are -1 and 9.

x^2-8x=9\\x^2-8x-9=0\\(x+1)(x-9)=0\\

After you find those numbers, you split the equation and equals each term to zero.

(x+1)=0, x=-1\\(x-9)=0, x=9\\

So the answer is x=-1 and x=9

Hope you understand!

7 0
3 years ago
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