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N76 [4]
3 years ago
7

What is the smallest whole number that can be multiplied by 300 such that the product is a perfect cube?

Mathematics
2 answers:
kicyunya [14]3 years ago
7 0
The smallest whole number that can be multiplied by 300 so that the product is a perfect cube is 12 (I think)
Neko [114]3 years ago
5 0

300=2×2×5×5×3

We observe that 2 and 5 are grouped in pairs and the 3 is left unpaired.

If we multiply 300 by the factor 3 then  

300×3=2×2×5×5×3×3

900=2×2×5×5×3×3 which is a perfect square.

∴ Required number is 3

root of 900  =30

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a bathtub is in the shape of a rectangular prism. its dimensions are 5 feet by 3 feet by 18 inches. the bathtub is three-fourths
crimeas [40]
The bathtub has dimensions 5 ft by 3 ft by 18 inches.
Note that 18 inches = 18/12 = 1.5 ft.

The volume of the bathtub is
V = 5*3*1.5 = 22.5 ft³

The bathtub is three-fourths (0.75) full of water. Therefore the volume of water is
0.75*22.5 = 16.875 ft³

The water is lost at the rate of 1 ft³/min.
If it takes x minutes to empty the bathtub, then
(1 ft³/min)*(x min) = (16.875 ft³)
x = 16.875 min

Answer: 16.875 minutes

6 0
3 years ago
What is the Inequality and Solution of: The sum of a number and 19 is at least 8.2 ?
Misha Larkins [42]
X + 19 >= 8.2

x >= 8.2 -19 >= -10.8
3 0
3 years ago
Im confused, can someone help?
Bumek [7]
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y = -1.5x + 4 since we know that the slope is equal to -1.5 and the y-intercept is equal to 4. Hope this helps :)
8 0
2 years ago
Find the sixth term of the geometric sequence when a4=−8 and r=0.5
grandymaker [24]

Answer:

D

Step-by-step explanation:

to find a term in the sequence multiply the previous term by r , then

a₄ = - 8 , so

a₅ = - 8 × 0.5 = - 4

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4 0
2 years ago
The circumference of a circle is 18.84 miles. What is the circle's radius? C=18.84
Mama L [17]
We can find the radius by using the formula: C = 2(pi)(r)
We'll use 3.14 for pi.

And solve for r.

18.84 = 2(3.14)r ; Start
18.84 = 6.28r      ; Multiply 3.14 by 2
3 = r                     ; Divide both sides by the coefficient of r. Which is 6.28

So, the radius is 3 miles.

7 0
3 years ago
Read 2 more answers
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