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marin [14]
2 years ago
10

Need help asap this is due in 20 min!!! i will gove brainliest too! questions 8-11

Mathematics
1 answer:
andreev551 [17]2 years ago
7 0

8. x= 7

9. x= 9

10. x= -10

11. x= -18

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URGENT AND SIMPLE question pls:))) You dont have to do all of it, if you could just give me the equation for this problem, that
Mashcka [7]

If Ann can build the model in 3 hours, then in 1 hour she gets 1/3 of it done. Likewise, if Sam can build the model in 6 hours, then in 1 hour he gets 1/6 of it done. We are looking to find how long it takes when they combine their efforts, so we will add the two together and set it equal to 1/x, x being the number of hours it takes for both of them to get the whole job done. The equation then looks like this: \frac{1}{3}+\frac{1}{6}=\frac{1}{x}. You will have to find the common denominator to add those fractions, and once you do, cross multiply to solve for x.

5 0
2 years ago
VLC PIAGeuld Wine
Nookie1986 [14]

Answer:

1

Step-by-step explanation:

The absolute value of 4 is 4 and the absolute value of -3 is 3 so the difference between 4 and 3 is 1.

4 0
3 years ago
Which set of numbers includes only integers?
Lelu [443]

Answer:

{14,23,654,0,9}

Step-by-step explanation:

The first three contain negative numbers and decimal points therefor the last one {14,23,654,0,9} is correct.

3 0
2 years ago
Read 2 more answers
Does 6 3/8 - 4 3/4 = 4 3/4
UNO [17]

Answer:

no it doesnt

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What is -11+6x+25-3x
evablogger [386]

Answer:

3 x + 14

Step-by-step explanation:

Simplify the following:

6 x - 3 x - 11 + 25

Grouping like terms, 6 x - 3 x - 11 + 25 = (6 x - 3 x) + (-11 + 25):

(6 x - 3 x) + (-11 + 25)

6 x - 3 x = 3 x:

3 x + (-11 + 25)

25 - 11 = 14:

Answer:  3 x + 14

8 0
2 years ago
Read 2 more answers
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