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coldgirl [10]
2 years ago
14

Find the distance between the

Mathematics
1 answer:
snow_lady [41]2 years ago
5 0

- 2 \frac{1}{2}  - ( - 5 \frac{3}{4}  ) =  - 2 \frac{1}{2}  + 5 \frac{3}{4}

= 5 \frac{3}{4}  - 2 \frac{1}{2}  =  \frac{23}{4}  -  \frac{5}{2}

=  \frac{23}{4}  -  \frac{10}{4}  =  \frac{23 - 10}{4}  =  \frac{13}{4}

=  \frac{4 + 9}{4}  =   \frac{4}{4}  + \frac{9}{4}  = 1 +  \frac{9}{4}  = 1 \frac{9}{4}

Answer:

1 \frac{9}{4}

Ok done. Thank to me :>

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Printing machine A and printing machine B print the same newspaper printout, but machine B prints at half the rate of machine A.
klemol [59]

Answer:

The answer is below

Step-by-step explanation:

Let us assume the rate of printing in machine A is x per hour and the rate for machine B is y. Given that machine B prints at half the rate of machine A, therefore:

y = (1/2)x                       (1)

Also, both machine produces 200 newspaper printouts, and both operate at different times for a total of 4 hours. Therefore:

200/x + 200/y = 4       (2)

Put y = (1/2)x in equation:

\frac{200}{x}+\frac{200}{(\frac{1}{2} )x}=4\\ \\ \frac{200}{x}+\frac{400}{x}=4\\\\Multiply\ through\ by\ x:\\\\200+400=4x\\\\4x=600\\\\x=150

Put x = 150 in equation y:

y=(1/2)150 = 75

Therefore the rate of machine A is 150 newspapers per hour while that of machine B is 75 newspapers per hour

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4 years ago
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Step-by-step explanation:

5 0
3 years ago
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What's the awnser for this ×+5=-3×+25
lord [1]

Answer:

x=5

Step-by-step explanation:

x+5 = -3x+25

Add 3x to each side

x+3x+5 = -3x+3x+25

4x +5 = 25

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4x+5-5 = 25-5

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Divide each side by 4

4x/4 = 20/4

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3 years ago
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Answer:

38°

Step-by-step explanation:

Complementary means that they add up to 90
So then to find the measure of angle 2, subtract the measure of angle 1 from 90.

90-52=<u>38</u>

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The answer to 75 squared is 5,625.
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