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Ratling [72]
3 years ago
12

Adrianne wanted to donate some of her shoes to the homeless. She had a total of 28 pairs of shoes in her closet, 75% of them wer

e tennis shoes. If she gave all of her tennis shoes to the homeless, how many pairs of shoes does she have left?
Mathematics
2 answers:
Arte-miy333 [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Total number of shoes=28pairs

Total number of tennis shoes = 75% of 28pairs = 21pairs (given out to homeless)

Number of shoe left = 28-21=7pairs

Lina20 [59]3 years ago
4 0

Answer:

7

Step-by-step explanation:

75% of 28 is 21.

21 pairs are tennis

So,

28-21=7.

7 pairs left!

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What is the product of -5 and 8?<br> -40<br> -13<br> 13<br> 40
Alexxandr [17]

Answer:

-40

Step-by-step explanation:

  1. Negative × positive = negative
  2. -5 × 8 = -40

I hope this helps!

8 0
3 years ago
Read 2 more answers
Convert ( 4 , 300 ∘ ) to rectangular form.
Rasek [7]

The rectangular representation of the polar point of (4 , 300) is (2,- 2√3)

According to the statement

we have given a coordinates of the rectangle and we have to find the polar coordinates.

So, For this purpose, we know that the

We Use the conversion formulas to convert from polar coordinates to rectangular coordinates which are

x = rcosθ

y = rsinθ

Substitute the given values in it then

x=(4)cos(300)

y=(4)sin(300)

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

x=(4)cos(60) -(1)

y= - (4)sin(60) -(2)

And then

x=(4)cos(60)  

x=(4)(1/2)

x = 2 -(3)

and

y= - (4)sin(60)

y= - (4)(√3/2)

y= - 2√3 -(4)

Replace (3) with (1) and (4) with (2)

then it becomes

x = 2 and y= - 2√3

The rectangular representation of the polar point of (4 , 300) is (2,- 2√3)

Learn more about polar coordinates here

brainly.com/question/4522672

#SPJ1

6 0
1 year ago
Solve the system by substitution.<br> x = 9y<br> x-5y=20
storchak [24]

Step-by-step explanation:

hope this helps you! have a great day

4 0
3 years ago
Vivi is 40 floors from the top of her building. If she starts at the bottom and runs up 5 floors every 20 seconds, how far is sh
Murrr4er [49]

Answer:

17 floors

Step-by-step explanation:

1 floor every 4 seconds.

90/4 = 22.5

40 - 22.5 = 17.5

17.5 is 17ish floors, and is the only answer that is close to 17 floors.

8 0
2 years ago
First right answer for both gets brain
kirza4 [7]
B 8:00 am

8:00+1:25=9:25
9:25+25=9:50
9:50+30=10:20


B $240


60×2=120×2=240
7 0
2 years ago
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