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exis [7]
3 years ago
11

Please help me answer the question in the photo.

Mathematics
1 answer:
aleksley [76]3 years ago
7 0
Speed=distance/time
9:05 to 12:25 is 3 hours and 20 mins so 3 1/3 hours and the distance is 250
250/3 1/3=75km/h
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HURRY! please help me please quick
Vadim26 [7]

Answer: She jump ropes 7/3 or 2 1/3 of an hour every week

Step-by-step explanation: This is because she jump ropes 1/3 each day and there's 7 days in a week so 7/3 or 2 1/3(2 hours and 20 minutes)

I hope you are having a nice day!

3 0
3 years ago
Read 2 more answers
An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 50 grams of an alloy that 52% copper with 78 gra
iris [78.8K]

Answer:

See below in bold.

Step-by-step explanation:

The 50 grams of alloy contains 50 * 0.52 = 26 g of pure copper.

So the amount of copper n the mixture = 78 + 26 = 104 g.

The total mass of the mixture = 78 + 50 = 128 g.

% copper = 104 * 100 / 128

= 81.25%.

7 0
3 years ago
If a study determines the difference in average salary for subpopulations of people with blue eyes and people with brown eyes is
svp [43]
Unlikely to have ????
8 0
4 years ago
Select all that apply to the given number.
Olenka [21]

Answer:

2/3 can be classified as..

  • rational

Step-by-step explanation:

It can be classified as a rational number because it can be in the form of p/q as of fraction and is made up of two integers making p the numerator and for q a denominator not involving a zero.

6 0
3 years ago
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Write an equation of a line that passes through (-6, 1), parallel to y = 2x – 6.
Eddi Din [679]

Answer:

y = -1/2x - 2

Step-by-step explanation:

If it's parallel, that means that the slope is the opposite of the one in the given equation, meaning that 2 would be flipped and turned negative into -1/2.

Then, fill in the x and y values to get the y-intercept.

1 = -1/2(-6) + b

1 = 3 + b

-2 = b

So your answer is y = -1/2x - 2

4 0
3 years ago
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