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adoni [48]
3 years ago
12

Lea and Marie are washing all the windows in their house. It would take Lea 80 minutes to wash the windows by herself, and it wo

uld take Marie 60 minutes to wash them by herself. Lea creates a table so she can find out how long it will take to wash the windows if they work together. What is the missing value in the table that represents the rate for Marie?
Mathematics
2 answers:
balandron [24]3 years ago
6 0

The answer to your question is 1/60t just took the test

kvv77 [185]3 years ago
5 0
The rate of the windows washed would be the amount of windows per minute. so the missing value is the amount of windows that she has washed
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Firlakuza [10]

Answer:

16/5 or 3.2

Step-by-step explanation:

4cm/5km = x/4km

Cross multiply to find answer

5 0
3 years ago
Look Down Below For question:
Ray Of Light [21]
The cattle train
speed - 36.5 km/h
time - x h

the passenger train
speed - 29.2 km/h
time - (2.4+x) h

The cattle train caught up to the passenger train so the distance they travelled is the same.
Distance is speed times time.

36.5 \times x=29.2 \times (2.4+x) \\
36.5x=70.08+29.2x \\
36.5x-29.2x=70.08 \\
7.3x=70.08 \\
x=\frac{70.08}{7.3} \\
x=9.6 \\ \\ 2.4+x=2.4+9.6=12

The passenger train travelled for 12 hours before the cattle train caught up.
7 0
3 years ago
Read 2 more answers
Writing What is 20% of 70? Use pencil and paper. Write a percent problem that asks you to solve for the whole. Write a problem t
trapecia [35]

Answer:

= <em>1</em><em>4</em>

Step-by-step explanation:

So my way of doing it is to simply put 20% in decimal so

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There are probably other ways to do it but I find this way easier

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2 years ago
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Marina CMI [18]

Answer:

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Step-by-step explanation:

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And, dividing anything by 0 will get you an undefined answer.

So, D is correct. the slope of the line is undefined

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the middle graph

Step-by-step explanation:

6 0
3 years ago
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