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3 years ago

The price of a new car is reduced by 14% for the first month in order to increase the number of sales. If the initial price of

1 answer:

5 0

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Dean needs $150 for a miming class. He already has $85 and he can earn the rest by working 13 hours at his job. If h represents

AnnyKZ [126]

Answer:

h=$65/13

Step-by-step explanation:

So he has $85

Now the remaining amount he needs is $65

And in every 13h he produces the $65

So to find his hourly earning is h=$65/13

So the equation is

h = $65/13

3 0

4 years ago

one bucket of gravel has a mass of 7.05 kilograms. what is the mass for 20 buckets of gravel in kilograms

Westkost [7]

Answer:

tell me if am wrong.

Step-by-step explanation:

1 bucket=7.05kg

20 bucket=20*7.05=141 kg

the mass of 20 bucket is 141 kilogram(kg)

5 0

3 years ago

cylindrical vase holds 8,038.4 cubic centimeters of water. The height of the vase is 40 centimeters. What is the length of the r

iragen [17]

The radius of the cylindrical vase is 8 centimeters, if the cylindrical vase holds 8,038.4 cubic centimeters of water and the height of the vase is 40 centimeters.

Step-by-step explanation:

The given is,

Volume of cylindrical vase = 8038.4 cubic centimeters

Height of the cylindrical vase = 40 centimeters

Step:1

Formula for volume of cylindrical vase,

$Volume, V=\pi r^{2} h$ ......................(1)

Where, r - Radius of cylindrical vase

h - Height of cylindrical vase

From the given,

V = 8038.4 cubic centimeters

h = 40 centimeters

Equation (1) becomes,

8038.4 $= \pi r^{2} 40$

$=(3.14)(40)r^{2}$ (∵ $\pi$ = 3.14 )

$8038.4 = 125.6 r^{2}$

$r^{2} = \frac{8038.4}{125.6}$

$r =\sqrt{64}$

r = 8 centimeters

Result:

The radius of the cylindrical vase is 8 centimeters, if the cylindrical vase holds 8,038.4 cubic centimeters of water and the height of the vase is 40 centimeters.

7 0

3 years ago

Jack knows the surface area of a cylinder and its radius. He wants to find the cylinder's height. He needs to rewrite the formul

mash [69]

Answer:

h = A/πr²

Step-by-step explanation:

Surface area (A) of a cylinder = πr² × height (h) , where r is the radius.

h = A ÷ πr² = A/πr²

7 0

3 years ago

What are the measurements of the bases and the area of the trapezoid?

Luda [366]

The bases of the trapezoid are 24 m and 9.6 m.

The area of the trapezoid is 141.12 m².

7 0

3 years ago