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2 years ago

ASAP PLEASE HELP ILL GIVE BRAINLIEST!!

Mathematics

1 answer:

Nady [450]2 years ago

8 0

Answer: A=2 B= 1.75

Step-by-step explanation:

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Rounding off to the nearest thousand<br><br> 1627=?????

sasho [114]

Answer:

2,000

Step-by-step explanation:

Your choices are 1,000 or 2,000 because 1672 is between those two numbers. Which is 1672 closer to ? 2,000

8 0

1 year ago

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A cone and a cylinder have the same radius and height. The volume of the cone is 100π (pi) cubic feet. What is the volume of the

murzikaleks [220]

Answer:

The volume of the cylinder is $300\pi$ cubic feet.

Step-by-step explanation:

From Geometry we remember that volumes of a cone and a cylinder with the same radius ( $R$ ), measured in feet, and height ( $h$ ), measured in feet, are defined by the following equations:

Cone

$V_{co} = \frac{1}{3}\pi\cdot R^{2}\cdot h$ (1)

Cylinder

$V_{cy} = \pi\cdot R^{2}\cdot h$ (2)

The ratio of the volume of the cylinder to the volume of the cone is:

$\frac{V_{cy}}{V_{co}} = 3$ (3)

If we know that $V_{co} = 100\pi\,ft^{3}$ , then the volume of the cylinder is:

$V_{cy} = 3\cdot V_{co}$

$V_{cy} = 300\pi\,ft^{3}$

The volume of the cylinder is $300\pi$ cubic feet.

3 0

2 years ago

Find the area of the region bounded by the graphs of f(x)= x^3 + x^2 -6x and

Blizzard [7]

Might be A not sure though

6 0

2 years ago

If sp=450,sp with vat=495,find vat percent

d1i1m1o1n [39]

It's 45 I hope it helps

7 0

2 years ago

If tan a = 9／40<br>use trigonometric identities to find the values of sin a and cos a.

Sindrei [870]

Answer:

see explanation

Step-by-step explanation:

Given

tan a = $\frac{9}{40}$ = $\frac{opposite}{adjacent}$

We require the hypotenuse h

Using Pythagoras' identity

h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )

h = $\sqrt{1681}$ = 41 , thus

sin a = $\frac{opposite}{hypotenuse}$ = $\frac{9}{41}$

cos a = $\frac{adjacent}{hypotenuse}$ = $\frac{40}{41}$

4 0

2 years ago