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Olin [163]
4 years ago
10

What is 30% of x is 60

Mathematics
1 answer:
Dima020 [189]4 years ago
8 0
30% ×  = 60

30% = \frac{30}{`00} = 0.3

0.3x = 60

Divide by 0.3 on either sides to isolate x

\frac{0.3x}{0.3} = \frac{60}{0.3}
x = 200

30% of 200 is 60
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The width of a box is two-third of it's length and height is one-third of it's length.If the volume of the box is 384 cubic mete
Black_prince [1.1K]

Answer:

Length = 12

Width = 8

Height = 4

Step-by-step explanation:

Let length of box = l

Width = 2/3 * l

Height = 1/3 * l

Volume of the box = 384 ft³

Volume = Length * width * height

Volume of box = l * 2/3 l * 1/3 l

384 = 2l³ / 9

384 * 9 = 2l³

3456 = 2l³

l³ = 3456 / 2

l³ = 1728

Take the Cube root of 1728

l = 12

Length = 12

Width = 2/3 * 12 = 8

Height = 1/3 * 12 = 4

5 0
3 years ago
The room number of the a computer lab is a perfect
Lina20 [59]

Answer:

81

Step-by-step explanation:

25 and 27 are not perfect squares so they can not be the answer.

36 and 81 are both multiples of 3, but only 81 is not even, so the answer is 81

7 0
3 years ago
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rjkz [21]

Answer:$15.40

Step-by-step explanation:

6 0
3 years ago
Factorise: 25x²-20x+4
Nutka1998 [239]

(5x - 2)²

Step-by-step explanation:

25x² - 20 + 4

(5x - 2)(5x - 2)

(5x - 2)²

4 0
3 years ago
Read 2 more answers
6th grade math , help me please:)
Xelga [282]

Answer:

(a) $7/ticket

(b) 3 cats/dog

(c) 10 ft/sec

(d) 16 cups/gal

Step-by-step explanation:

(a) $35 for 5 tickets

$35/(5 tickets) = $7/ticket

(b) 21 cats and 7 dogs

21 cats/(7 dogs) = 3 cats/dog

(c) 40 ft in 4 seconds

40 ft/(4 sec) = 10 ft/sec

(d) 48 cups for 3 gallons

48 cups/(3 gal) = 16 cups/gal

7 0
3 years ago
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