57 Answered Questions for the topic Variation

Variation Math Mathematics

11/22/21

Find the pay for 35 hours of work.

A person's salary (P) varies directly as a number of hours (h) of hours of work. For working 15 hours, the pay is $29.60. Find the pay for 35 hours of work.
Variation Equation

06/30/20

Solve Variation Equation

find the variation constant k find y when x=93 if y varies inversely as x and y=131 and x=21

12/10/19

Variation Pressure and Volume

The pressure of a gas varies inversely as the volume. If the pressure is 40 psi when the volume is 10 cubic meters, what will the pressure be when the volume is 16 cubic meters?

Variation / direct variation

B varies with the square root of C. When B = 40, C = 50. Write the formula relating B and C with the appropriateconstant of variation.
Variation

01/13/19

In the equation x = yk/z, if z increase, x also increases. True or False

Variation

01/12/19

Please answer this word problem and show the steps please

The intensity of illumination (I) of a light source varies inversely as the square of the distance (d) from the source. If the Illumination 4 ft from the source is 9 foot candles (fc), find the... more
Variation

01/12/19

Please answer my wprd problem in direct variation

In a downtown office building the monthly rent for an office is directly proportional to the size of the office. If a 420 square foot office rents for $1260 per month, then what is the rent for a... more
Variation

01/12/19

Suppose a is inversely proportional to b, when b=5, a=1/2. Find a when b = 12

Variation Percentages

11/02/18

Question about variation...

The horsepower that a shaft can safely transmit varies jointly with its speed (in revolutions per minute) and the cube of its diameter. By what percent will the horsepower change if the speed is... more
Variation

10/29/18

z varies directly as x⎯⎯√ and inversely as y2. If z=176 when x=49 and y=8, find z if x=81 and y=6. (Round off your answer to the nearest hundredth.)

I can't seem to figure these ones out! any extra help would be great
Variation

10/04/18

the weight M of an object on the moon varies directly as its weight E on earth. A person who weighs 155.24 lb on earth weighs 26.39 on the moon. How much would

continued-  a 235.88 lb person weigh on the moon? Last question i promise!!
Variation Math

08/03/18

Given y^3=(x^2)/4, if x is doubled, what happens to y?

I tried plugging in numbers but I have found no luck with that because it gives a really long decimal. Please help!
Variation

07/03/18

The maximum weight that a circular column

The maximum weight that a circular column can support is directly proportional to the fourth power of its diameter and is inversely proportional to the square of its height. A 2-meter diameter... more
Variation

04/15/18

y varies directly as x. If y = -5 when x = 15, find x when y = 3.

how do I solve?  
Variation

11/25/17

Seven kids can eat a basket of apples in 14 minutes. How long can 10 kids eat the same number of apples?

It is a variation problem.  
Variation

11/07/17

m varies directly with x and inversely with y . Write m as a function of x and y

M=12 Y=10 X=8 
Variation

08/02/17

Indirect variations

A dealer wants to invest $690,000 in purchaseing 20 diamonds. But the diamonds available in the market are different and the cost price of each is $46,000. How much additional money will be needed... more
Variation

08/02/17

Direct Variation

A train covers a distance of 420 km in 7.5 hours. By how much show the speed of the train be increased to cover the same distance in 5 hours? 
Variation

04/26/17

If m varies directly with p and indirectly with c, and m=100 when p=250 and c=5. Find m when c=10 and p=75.

 This is very confusing how you relate with both direct and indirect variation. I am wondering if there are two answers or one
Variation

03/06/17

(1, 12) will these points create a inverse variation

what type of variation is this  

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