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2 years ago

What percent of 24 is 18 set up a percent proportion and solve

2 answers:

6 0

Okie, I don't know what you want to "solve" for but I can help you find the percent of 24 in which is 18. So basically, you want to take the number that the question number (i dont know if that made sense) which is 18 essentially. And you divide it from the number that it is out of which is 24. Then multiply it by 100 to find the percent from the decimal.
18 / 24 = .75 x 100 = 75 %
So, 18 is 75% of 24.
I hope this helps :-)

MrRissso [65]2 years ago

4 0

Answer:

75%

Explanation:

18/24=x/100

sorry for late answer i needed the points.

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A calcium bromide compound is represented by which formula?

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Answer:

Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x.

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2. A volleyball player strikes a 3 kg volleyball with a velocity of 14 m/s. What is the kinetic energy of the volleyball?

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in a young's double-slit experiment the center of a bright fringe occurs wherever waves from the slits differ in the distance th

blagie [28]

Answer:

Zero

Explanation:

Because using

Deta X= dsinစ x n(lambda)

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n is zero

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3 years ago

The peak wavelength of light coming from a giant red star is 660 nm. Calculate the approximate surface temperature of this star

laiz [17]

Answer:

The value is $T =260.33 \ F$

Explanation:

From the question we are told that

The the peak wavelength is $\lambda_p = 660 nm = 660 *10^{-9} \ m$

Generally according to the Wien's displacement law

$\lambda_p * T = 2.898*10^{-3} \ m \cdot K$

Here T is the approximate surface temperature of this star in K so

$660*10^{-9} * T = 2.898*10^{-3} \ m \cdot K$

=> $T = 4091 \ K$

Converting to Fahrenheit ,

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2 years ago

A student of weight 678 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude

baherus [9]

Answer:

(a) Magnitude of seat force at lowest point = 678 + 92 = 770

(b) Force exerted by the seat (highest point) = 310 N

(c) Force exerted by seat (lowest point) = 1046 N

Explanation:

At the highest point the magnitude of force by the seat = 586 N

The weight of the student = 678 N

Thus, at the highest point, the difference in this force is due to the centrifugal force acting on the boy. This can be calculated as follows:

Centrifugal Force = 678 - 586 = 92 N

(a) The magnitude of force on the student by the seat at the lowest point will have to appose both the student's weight and centrifugal force acting towards the ground. This would mean:

Magnitude of seat force at lowest point = 678 + 92 = 770 N

(b) If the wheel's speed is doubled, the centrifugal force will change accordingly. The equation of centrifugal force is given below:

$F = m * v^2 / r$

We can see from this that the force is directly proportional to the square of the velocity. So if the velocity is doubled, the centrifugal force increases four times.

So at the highest point the centrifugal force will decrease the force of weight acting on the seat. The seat force would then be:

Force exerted by the seat = Weight - Centrifugal force

Force exerted by the seat = 678 - (4 * 92)

Force exerted by the seat (highest point) = 310 N

(c) The force exerted by the seat at the lowest point will be the centrifugal force plus the weight.

This is:

Force exerted by seat = Centrifugal force + Weight

Force exerted by seat = (4 * 92) + 678

Force exerted by seat (lowest point) = 1046 N

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3 years ago