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Kay [80]
3 years ago
15

What is 3\7 times 21 plz help

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
5 0
Ok so first to set up the equation, you would do 3/7×21/1. 
(3)(21)
---------
(7)(1)
So 3×21 is 63 and 7×1 is 7.
63/7 is simplified down to 9/1
So your answer is 9. Hope I helped!
yuradex [85]3 years ago
3 0
The answer is 9. Put 21 over one, cross cancel and then multiply straight across. Hope this helps!
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Need help thanksssssssss
Archy [21]

Answer:

Volume: 112 m³.

Surface area: 172 m².

Step-by-step explanation:

The volume is the base times height times length. So, the volume will be 2 * 8 * 7 = 16 * 7 = 112 m³.

The surface area is 2lw + 2lh + 2wh. l = 8; w = 7; h = 2.

2(8)(7) + 2(8)(2) + 2(7)(2) = 2 * 56 + 2 * 16 + 2 * 14 = 112 + 32 + 28 = 112 + 60 = 172 m².

Hope this helps!

4 0
3 years ago
Which of this fraction are greater then1/2 but less then 3/4 .7/8 .2/5 .1/3 .5/8 .3/6
avanturin [10]

Answer: 7/8


Step-by-step explanation:

think of each faction as a pie or pizza.

each one will have the number of slices as the bottom number of the fraction.

now shade in the top numbers and see if it more than your 1/2

you will see 7/8 is the answer since it will be one piece left from being complete or "gone"

hope this helped angel!!


4 0
3 years ago
Is a tray with a circumference of 32 inches is big enough to
yKpoI14uk [10]

Answer:

Yes

Step-by-step explanation:

Circumference formula is C=2 pi r, if you divide the pizza by 2 to get the radius,5, then input it into the formula to get 31.41592654, and since this number is smaller than 32 it will fit. If 10 is the radius it will not fit.

7 0
3 years ago
Does anyone know the answer to this help fast!
Paraphin [41]
180-90=3x
90=3x
X=30

90+x+y=180
90+30+y=180
120+y=180
Y=60
6 0
3 years ago
Read 2 more answers
(5x2+14x-15)-(3x2+5x+7) simplify
sleet_krkn [62]

Answer:

-241

Step-by-step explanation:

Hope this helps

8 0
2 years ago
Read 2 more answers
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