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Sever21 [200]
3 years ago
6

PLEASE HELP ME I AM DESPERATE

Mathematics
2 answers:
natka813 [3]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Perimeter is addition of all the sides

so add them

5+4+4+3+4 =20

Paladinen [302]3 years ago
5 0

Answer: B 5+5=10+4+4+4=12+3 10+12+3 25 lol

Step-by-step explanation:

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6 0
2 years ago
Paul needs 3 7/8 yards of fabric to make a tablecloth. How many tableclothes can he make from 38 3/4 yard of fabric
Leviafan [203]
First turn them into improper fractions to make things easier: 31/8 and 155/4.
You would then do 155/4 divided by 31/8, and with the same-change-flip, do 155/4 times 8/31, which is 10
7 0
3 years ago
if an area can be washed at a rate of 4,900 cm2/ minute, how many square inches can be washed per hour?
Olenka [21]

Answer : 4.5 × 10⁴ square inches can be washed per hour.

Step-by-step explanation :

As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.

Given conversions are:

1 cm = 0.39 in    and    1 hr = 60 min

As, 1 cm² = (0.39)² in²    and    1 min = 1/60 hr

So, 1cm^2/min=(0.39)^2\times 60in^2/hr

1cm^2/min=9.126in^2/hr

Now we have to determine the square inches can be washed per hour.

As, 1cm^2/min=9.126in^2/hr

So, 4900cm^2/min=\frac{4900cm^2/min}{1cm^2/min}\times 9.126in^2/hr=44717.4in^2/hr=4.5\times 10^4in^2/hr

Therefore, 4.5 × 10⁴ square inches can be washed per hour.

4 0
3 years ago
What part of 3 dollars are 25 nickels
Agata [3.3K]

Answer:

25 nickles are 5/12ths of a dollar

Step-by-step explanation:

25*5=125, or $1.25. Now we make this a fraction, we get 1.25/3, or 5/12

6 0
2 years ago
Solve the inequality for x: -5x - 49 &gt; 113
Valentin [98]
-5x - 49 > 113
Add 49 to both sides
-5x > 162
Divide both sides by -5
x > -32.4
Hope this helps!
8 0
3 years ago
Read 2 more answers
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