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Korolek [52]
3 years ago
15

If 3% of a number equals 1, find 12% of that number.

Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

Number is 4

Step-by-step explanation:

.03n = 1

n = 1/.03

.12 x (1/.03) = 4

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What is the simplified expression for 6 to the power of 4 multiplied by 6 to the power of 3 over 6 to the power of 5? (1 point)
Artyom0805 [142]

The answer of the  6 to the power of 4 multiplied by 6 to the power of 3 over 6 to the power of 5 will be 6 to the power of 2 so option (b) will be correct.

<h3>What is multiplication?</h3>

The general mathematical operation of multiplying involves adding two or more numbers to get a new multiplied number.

Multiplication gives us a resultant number that will be very big as compared to the number which is going to be multiplied if and only if the number which is going to be multiplied is more than one.

Given,

6 to the power of 4 = 6⁴

6 to the power of 3 = 6³

6 to the power of 5 = 6⁵

So,

6 to the power of 4 multiplied by 6 to the power of 3 over 6 to the power of 5

(6⁴ × 6³)/6⁵ = 6⁷/6⁵ = 6²

Hence it will be 6 to the power two.

For more information about multiplication

brainly.com/question/14059007

#SPJ1

4 0
2 years ago
HELP ME PLEASE!!!!!!!!!
bixtya [17]
Use Conects it got all the math questions n got the answer to questions ahead of the one u looking for
6 0
3 years ago
A water tank is in the shape of a right circular cone as shown above. The diameter of the cone is 10 feet, and the height is 15
Vsevolod [243]

Answer:

The rate at which the height of the water tank is changing is approximately 0.4244 ft/hour

Step-by-step explanation:

The given parameters are;

The diameter of the cone = 10 feet

The height of the cone = 15 feet

The rate at which water is leaking from the tank, (dV/dt) = 12 ft³/h

The volume of water in the tank = 27·π cubic feet

The volume V of a right circular cone with radius r and height h = 1/3×π×r²×h

The rate of change of the volume, dV, with time dt is given as follows;

The radius of the cone when the volume of the water in the tank is 27·π cubic feet is given as follows;

1/3×π×r²×h = 27·π ft³

The ratio of the height to the radius of the cone is h/r = 15/5 = 3

h/r = 3

∴ r =h/3

The volume of the cone, V = 1/3×π×r²×h = 1/3×π×(h/3)²×h = 1/27×π×h³ =  h³/27×π

dV/dt = dV/dh × dh/dt

Which gives;

12 = d(h³/27×π)/dh × dh/dt = π×h²/9 × dh/dt

dh/dt = 12/(π×h²/9)

At 27·π ft³ = 1/27×π×h³ ft³, we have;

27 = 1/27×h³

27² = h³

h = ∛27² = 9

∴ dh/dt = 12/(π×h²/9) = 12/(π×9²/9) = 12/(π×9) = 4/(3·π) ≈ 0.4244 ft/hour

The rate at which the height of the water tank is changing ≈ 0.4244 ft/hour.

6 0
3 years ago
Help please its percents ! I need
harina [27]
X %  = x/100 as a fraction
so 0.75 % = 0.75 / 100  = 75/10000 or 0.0075

so 0.75% of 560  = 560 * 0.0075 = 4.2
George was correct.
4 0
3 years ago
Read 2 more answers
35 teenagers were asked what takeaways they liked to eat.
STatiana [176]

The number of teenagers that liked Indian only is 11 students.

<h3>How to use Venn Diagrams?</h3>

Counting students who liked Chinese and pizza

There were 35 teenagers altogether.

  • 24 liked Chinese
  • 16 liked Indian
  • 10 liked pizza

Since all the students who liked pizza also liked Chinese, and no student liked all three, we can just think about the remaining 25 students.

Of these, 14 liked Chinese and 16 liked Indian.

Since each student liked at least one of these, and there are a total of 30 'likes', then 5 students must like both Indian and Chinese.

This leaves 11 students who liked Indian only.

Thus, we conclude that the number of teenagers that liked Indian only is 11 students.

Read more about Venn Diagrams at; brainly.com/question/24713052

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3 0
1 year ago
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