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gtnhenbr [62]
3 years ago
8

What’s the answer to this

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0

Answer: i d k

Step-by-step explanation:

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PLS HELP ITS MY FINAL EXAM What is the area of the base of the cone below? A cone with height 12 feet and volume 90 feet cubed.
hoa [83]

Answer:

A=22.5\ \text{feet}^2

Step-by-step explanation:

We have,

Height of a cone is 12 feet

Volume of the cone is 90 feet

It is required to find the area of the base of the cone.

The base of a cone is circular in shape.

The formula used to find the volume of a cone is given by :

V=\dfrac{1}{3}\pi r^2 h

here, \pi r^2=A (area of base of cone)

V=\dfrac{1}{3}\times Ah\\\\A=\dfrac{3V}{h}\\\\A=\dfrac{3\times 90}{12}\\\\A=22.5\ \text{feet}^2

So, the area of the base of the cone is 22.5\ \text{feet}^2.

3 0
3 years ago
You have $3000 to enclose a rectangular piece of property with a fence. The fence costs $9 per foot. A scale drawing of the prop
son4ous [18]

Answer:

Step-by-step explanation:

C=9P

P=2(L+W)

C=18(L+W)

C=18(8(12)+7(12))

C=18(96+84)

C=18(180)

C=$3240

So you do not have enough money to enclose the property.

8 0
2 years ago
To solve the equation – X – 3 = x2 – 2x– 15, you
zhenek [66]

Answer: -3 and -4

Step-by-step explanation:

8 0
3 years ago
Find the circumference of the figure below.<br> (Use T=22/7)
vekshin1

The circumference of a circle with a radius of 12 cm is 75.45 cm

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The circumference of a circle is given by:

Circumference = 2π * radius

Hence:

Circumference = 2(22/7)(12) = 75.45 cm

The circumference of a circle with a radius of 12 cm is 75.45 cm

Find out more on equation at: brainly.com/question/2972832

#SPJ1

8 0
2 years ago
Plz explain step by step ​
kirill115 [55]

Step-by-step explanation:

a=20⁰ vertically opposite angles are equal

b=160⁰ sum of angles on a straight line add up to 180⁰

(180⁰-20⁰=60⁰)

c=125⁰ sum of angles on a straight line add up to 180⁰

(180⁰-35⁰-20⁰=125⁰)

8 0
2 years ago
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