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3 years ago

11

The length of a rectangle is 4 cm less then twice it’s width the perimeter of the rectangle is 34 cm. What are the dimensions of

the rectangle

1 answer:

IRISSAK [1]3 years ago

8 0

The lengths are 10 and the widthes are 7

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Find the volume of the cone. Use 3.14 for π. Round to the nearest tenth.

Leviafan [203]

$Volume\,\,of\,\,cone=1527.1\,\,cm^3$

So, Option C is correct.

Step-by-step explanation:

We need to find Volume of cone.

We are given:

π = 3.14

Length = 27 cm

Diameter = 15 cm

The formula used to find Volume of cone is:

$Volume\,\,of\,\,cone=\frac{1}{3}\pi r^2h$

We are given diameter but we need radius in the formula

So, Radius = Diameter/2 = 15/2 = 7.5 cm

We need to find height of cone.

Using Pythagoras theorem:

$h^2=p^2+b^2\\ (27)^2=p^2+(7.5)^2\\729=p^2+56.25\\p^2=729-56.25\\p^2=672.75\\Taking\,\,square\,\,root:\\p=25.93$

So, Height of cone = p= 25.93

So, r= 7.5 and h= 25.93 and π = 3.14

Putting values in the formula:

$Volume\,\,of\,\,cone=\frac{1}{3}3.14*(7.5)^2*25.93$

$Volume\,\,of\,\,cone=1526.62$

Rounding off to the nearest tenth:

$Volume\,\,of\,\,cone=1527.1\,\,cm^3$

So, Option C is correct.

Keywords: Volume of cone.

Learn more about Volume of cone at:

#learnwithBrainly

6 0

4 years ago

Which action would most likely increase the amount of carbon in the environment O choosing to bum coal to generate electricity O

choli [55]

The answer is, none because they are both different substances.

7 0

4 years ago

Read 2 more answers

Which terms in the following expression are like terms?

Alinara [238K]

9514 1404 393

Answer:

(c) 5x and 3x, and 4 and 1

Step-by-step explanation:

Like terms have the same variable(s) to the same power(s).

The terms of this expression are ...

x^3: variable x, power 3
5x: variable x, power 1
-3x: variable x, power 1
3y: variable y, power 1
4: no variable
-1: no variable

The like terms are {5x, -3x}, which have the x-variable to the first power, and {4, -1}, which have no variable.

6 0

3 years ago

The width of a rectangle is 4 inches (in) and the area of the rectangle is 32 in2? Which of the following represents the length

miv72 [106K]

Answer:

A. 8

Step-by-step explanation:

32 divided by 4 = 8

5 0

3 years ago

PLEASE HELP ASAP!!!!

Paul [167]

Answer:

the answers are <u>B and D </u>

Step-by-step explanation:

please let me know if I am wrong

I found about the answers by determine bias questions from non bias questions.

6 0

4 years ago