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ad-work [718]
3 years ago
13

Shelley spent 17 minutes washing the dishes. She spent 38 minutes cleaning her room. Explain how you can use mental math to find

how long Shelley spent on the two task.
Mathematics
2 answers:
ddd [48]3 years ago
5 0
Ew, mental math... so basically, we would estimate the washing dishes to 20 minutes, and cleaning 40 min, 
together 20+40 min
 
is 60 minutes, aprox 1 hour

Shelly spent almost 1 hour cleaning
denis23 [38]3 years ago
4 0
Well what i understand this question is saying how much it is in total so you add them up and it would be 55
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Is 3pi/ 13 rational or irrational?
AysviL [449]

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3pi/13 is irrational because any irrational number divided by anything will always end up irrational.

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4 years ago
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Mumz [18]

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3 years ago
​<br><br> y=3x+2<br> y=3x−6<br> ​<br> how many solutions does the system have
Romashka-Z-Leto [24]

Answer:

no solutions

Step-by-step explanation:

The lines are parallel since they have the same slope

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5 0
3 years ago
Which is the best estimate of the number of times amber would pull out a new york quarter if she pulled out a quarter another 30
Anna [14]
I found the table that contains the following data:
25 times:
Column No.      1     2     3    4    5    Total

New York         3     2     2    1    2     10
Connecticut      1     1     1    2    0       5
Pennsylvania    1     1     1    1    1       5
Rhode Island    0     1     1    1     2       5

New York: 10/25 or 2/5
Connecticut: 5/25 or 1/5
Pennsylvania: 5/25 or 1/5
Rhode Island: 5/25 or 1/5

300 times * 2/5 = 120 times for New York

The best estimate of the number of times Amber would pull out a New York quarter is 120.
8 0
3 years ago
Solve the following sums:<br> a) 4(a+1)=2 b) 3-9x=-6-8x c) 3(4x-1)=7(2x-5)
aliya0001 [1]

Step-by-step explanation:

A. 4(a + 1) = 2

= 4a + 4 = 2

= 4a = 2-4 = - 2

= a = - 2/ 4 = - 1/2

B. 3 - 9x = - 6-8x

3 + 6 = - 8x +9x

9 = x

C. 12x - 3 = 14x - 35

- 3 + 35 = 14x - 12x

32 = 2x

32 / 2 = x

16 = x

7 0
3 years ago
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