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Kay [80]
3 years ago
9

HELP ME PLSSSSS I DONT UNDERSTAND THIS QUESTION

Mathematics
1 answer:
Vanyuwa [196]3 years ago
8 0
Ok, so it seems you might have hard time dividing fractions

remember
(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)



1. miles per hour
2/3 miles per 10 minutes
60 minute per mile
10/60=1/6
2/3 miles per 1/6 hour
(2/3)/(1/6)=(2/3)(6/1)=12/3=4
A is answer



2.
cost per pound is cost/poounds
cost=9
pounds=1 and 1/4=5/4
9/(5/4)=(9/1)/(5/4)=(9/1)(4/5)=36/5=7.20

D is asnwer
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James works in a sporting goods store and earns $324 a week and 5% of his sales. One week James earned $432. What were his sales
Bogdan [553]

Answer:

His sales that week were $2,160.

Step-by-step explanation:

First, you have to subtract $324 from the amount he earned that week, to find the 5% he got from sales:

$432-$324=$108

Now, you know that he received $108 that represent 5% of his sales and you can use a rule of three to find the amount that represents 100% which would be his sales that week:

 5%   →    108

100% →      x

x=(100*108)/5=2160

According to this, the answer is that his sales that week were $2,160.

7 0
3 years ago
What is the surface area of a cube in which each face of the cube has an area of 7 cm^2?
prisoha [69]

Answer:

In a cube, the length and width are the same, so both sides will be 7 cm, yielding an area of 49 square centimeters. The surface area of a 7 cm cube will be 294 cm2 . Hope this helps!

4 0
3 years ago
Which answer shows 9x 10-5 written in standard form?
kolezko [41]

Answer:

0.0009

Step-by-step explanation:

8 0
3 years ago
Find the slope of the line through the points (6,16) and (−6,4)
MakcuM [25]

m = \frac{y2-y1}{x2-x1}

m = \frac{4-16}{-6-6} \\m = \frac{-12}{-12} \\\\m = 1

Therefore, the slope of the line is 1. In case if you want to know the equation.

y=mx+b\\y=x+b\\4=-6+b\\4+6=b\\10=b\\

Therefore, the equation is y=x+10 by substituting the (-6,4) or we can substitute (6,16) too.

y=mx+b\\y=x+b\\16=6+b\\16-6=b\\10=b\\

It's the same, you can use any orders given.

Overall, the slope is 1 and the equation is y=x+10

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Slope of (27,2),(38,-15)
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I'm in college, I honestly don't know what it is but I hope you find it!
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2 years ago
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