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3 years ago

Need help with this question!

Mathematics

1 answer:

kenny6666 [7]3 years ago

7 0

Answer:

23/3 cubic units

Step-by-step explanation:

The volume of a prism is the product of its base area and it height:

V = (23/4 units^2)(4/3 units) = (4·23)/(4·3) units^3 = 23/3 units^3

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Find the value of x and the measure of the angle labeled 2x°

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112-64=2x

48=2x

x=48/2

x=24

so,2x=2×24=48

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A soccer ball costs $29 at a sporting goods store. It is going on sale for 30% off. What is the cost of the ball after the disco

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4 years ago

Read 2 more answers

The radius of a circle is 4 feet. What is the area of a sector bounded by a 45° arc?

DIA [1.3K]

Answer:

$Area = 6.28\ ft^2$ or $Area = 2 \pi\ ft^2$

Step-by-step explanation:

Given

$Radius, r = 4ft$

$Angle, \theta = 45$

Required

Calculate the area of the sector

When angle is given in degrees, the area of sector is calculated as thus;

$Area = \frac{\theta}{360} * \pi * r^2$

$Substitute\ r = 4\ and\ \theta = 45$

$Area = \frac{\theta}{360} * \pi * r^2$ becomes

$Area = \frac{45}{360} * \pi * 4^2$

$Area = \frac{45}{360} * \pi * 16$

$Area = \frac{45*16}{360} * \pi$

$Area = \frac{720}{360} * \pi$

$Area = 2 * \pi$

$Area = 2 \pi\ ft^2$

The above is the area in terms of π

Solving further.... (Take π as 3.14)

$Area = 2 \pi\ ft^2$ becomes

$Area = 2 * 3.14\ ft^2$

$Area = 6.28\ ft^2$

Hence, the area of the sector is

$Area = 6.28\ ft^2$ or $Area = 2 \pi\ ft^2$

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4 years ago

A flat rate shipping box is in the shape of a rectangular prism. You estimate that the volume of the box is 350 cubic inches. Yo

kirill115 [55]

14.4%

L*W*H=V=10*9*4.5=405 in^3.

that is 50.5 in^3 over the estimate, or 14.4%

6 0

3 years ago