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Ierofanga [76]
3 years ago
9

You estimate that a jar contains 68 marbles.The actual number of marbles is 60.Find the percent error.Round your answer to the n

earest tenth
Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0
8/60=13.333% approximately 13%
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A store charges $280 for coat. This price is 40 percent more than the amount it cost the store to buy. At the end-of-season sale
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Let cost price be x
according to question
x + 40% of x = 280
x+ 0.4x=280
1.4x=280
x=200
this 200 is the store cost or cost price for store
30%of 200= 60
according to question,
cost for employee= 200-60= 140
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Find the volume of the prism.<br> 83 m<br> 7 m<br> 4 m
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167 is the volume of the prism
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3 years ago
Some1 help me this due tomorrow and in stressing out
Olenka [21]

Answer:

Step-by-step explanation:

So, as shown in the picture below, you first have to find the line y = -1. Then that’s what your going to reflect. Imagine that your making a print of it, that’s how you will reflect it. Imagine taking a piece of paper with that triangle on it and folding it along that line I drew in my picture (at y=-1). Hope that helped!

5 0
3 years ago
Sage and Tom started the month with the same number of talk minutes on their cell phones. Sage talked for 7 minutes with her dad
Paraphin [41]

Answer:

a. Sage and Tom have the same number of talk minutes left on their cell phone plans.

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= 4 + 3

= 7 minutes

They both spoke for 7 minutes and therefore have the same amount of time left.

Algebraic expression:

Assuming the time Tom started with is denoted by x and the time he is left with is denoted by y.

The expression is:

y = x - 7

6 0
3 years ago
-5х + Зу = -8<br> 3х - 7y = -3<br> Ordered pair
tatiyna

Answer:

1. y= 2x-5        

2. y= x+3

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Step-by-step explanation:

6 0
2 years ago
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