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galina1969 [7]
4 years ago
6

If the teacher assistant can grade papers in one hour and with the teacher's help they finish in 20 minutes how many minutes wou

ld it take the teacher to grade the papers?
Mathematics
1 answer:
Phantasy [73]4 years ago
6 0
It will take the teacher 1 hour
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Which choice includes two pairs of adjacent angles from the coordinate plane?
saw5 [17]

Answer:

2) Angle 6 and Angle 5, Angle 3 and Angle 2

100% correct don't worry ;)

Step-by-step explanation:

6 & 5 and 2&3 are the adjacent angles

6 0
3 years ago
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Given that 2(-x + 4)=3 prove that x=5/2
user100 [1]

Answer:

x = 5/2

Step-by-step explanation:

So firstly, you want to distribute. It'll make your life much easier.

-2x + 8 = 3

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x = 5/2 (dividing both sides by -2 to obtain x)

Hope this helps :)

7 0
3 years ago
How to solve 105x2 +66x - 72 = 0 algebraically. Show work please
trapecia [35]

Answer:

Do pemdas, (parentheses, exponents, multiplication, division, addition and subtraction). But do whatever is first, which in this case is multiplication.

Step-by-step explanation:

Write the equation out.

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    105 x 2 = 210

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    210 + 66x = 276x

     276x - 72 = 204

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5 0
3 years ago
Last year a winter coat cost $175. This year the price has increased by 15%. What is the new price?
Aneli [31]

201.25 because (175x15)+175=201.25 (i dont know if im right)

5 0
4 years ago
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6. 5x = -25<br> a. X= 5<br> b. X=-5<br> c. x=2
iris [78.8K]

Answer:

x = -5

Step-by-step explanation:

5x = -25

Divide each side by 5

5x/5 = -25/5

x = -5

3 0
3 years ago
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