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pishuonlain [190]
3 years ago
5

Divide. Write fractions in the simplest form. 9) -4.2 ÷12 10) − 2 7 ÷ − 8 21

Mathematics
1 answer:
irina [24]3 years ago
3 0
I think I’ve done this right maybe not but.
9). -0.35
I don’t know 10
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Jonathan's parents told him that for every 5 hours of Academic Prep work he completes, he would be able to play 3 hours of video
Over [174]

Answer: Jonathan spends more time playing video games because 3/5 of the time he is playing video games, while Lucas is only playing thirty minutes out of sixty, which simplifies into 1/2. Jonathan plays 60% of the time and Lucas plays 50%.

Step-by-step explanation:

7 0
3 years ago
What is the value of x? (SEE ATTACHMENT)
coldgirl [10]
The answer should be A. 4.5

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6 0
4 years ago
Solve the system using elimination<br><br> 2x+3y=14<br> x+5y=14
natali 33 [55]

Answer:

x = 4 , y = 2

Step-by-step explanation by elimination:

Solve the following system:

{2 x + 3 y = 14 | (equation 1)

x + 5 y = 14 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{2 x + 3 y = 14 | (equation 1)

0 x+(7 y)/2 = 7 | (equation 2)

Multiply equation 2 by 2/7:

{2 x + 3 y = 14 | (equation 1)

0 x+y = 2 | (equation 2)

Subtract 3 × (equation 2) from equation 1:

{2 x+0 y = 8 | (equation 1)

0 x+y = 2 | (equation 2)

Divide equation 1 by 2:

{x+0 y = 4 | (equation 1)

0 x+y = 2 | (equation 2)

Collect results:

Answer: {x = 4 , y = 2

4 0
4 years ago
Read 2 more answers
Question 14. When solving the equation -14 = 7x + 6 what will the next stage of your working be?
mr_godi [17]

Answer:

You would subtract 6 from each side.

Step-by-step explanation:

- 14 = 7x + 6

Subtract 6 from each side:

- 14 - 6 = 7x + 6 - 6

7x = - 20

Divide each side by 7:

7x ÷ 7 = - 20 ÷ 7

x = 2 and 6/7

4 0
3 years ago
Write the equation of the line that is parallel to the line y = 3/2x + 5 and goes through the point (0, 7)
Lena [83]

Answer:

y = 3/2x + 7

Step-by-step explanation:

Because the ordered pair (0, 7) can be considered the y-intercept, all you have to do is replace the +5 with +7 to represent the new y-intercept. The slope stays the same as the lines are parallel.

5 0
3 years ago
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