All categories

3 years ago

What is the total surface area of the cone? 90π cm2 65π cm2 120π cm2 115π cm2

Mathematics

1 answer:

kirill [66]3 years ago

8 0

To get the awnser u gotta multiply the numbers by pie by one and add them at the end

You might be interested in

Is 1/9+1/8 closer to 0.5 or 1/2? explain.

xenn [34]

Answer:

Well 0.5 is the same as 1/2 but I'll try to help.

Step-by-step explanation:

1/9+1/8 is 0.2361. That would honestly be closer to zero but the way that it is worded, it is closer to 1/2 because you are using fractions in the problem. If you were using decimals, I would use 0.5

5 0

2 years ago

Find the distance between E(-3,4) and B(-1,6)

Marrrta [24]

Answer:

The answer is

<h2> $2 \sqrt{2 } \: \: or \: \: 2.828 \: \: \: units$ </h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

E(-3,4) and B(-1,6)

The distance between them is

We have the final answer as

<h3> $2 \sqrt{2 } \: \: or \: \: 2.828 \: \: \: units$ </h3>

Hope this helps you

4 0

2 years ago

Help me please <br> Select the correct answer.<br> What is the product of

Aleksandr-060686 [28]

Answer: It's A. -7.

Step-by-step explanation: I've attached an Image of my work.

7 0

2 years ago

Read 2 more answers

Find the diameter of a circle with a circumference of 443 feet. Use 3.14 for pi.

marishachu [46]

Answer:

$\huge\boxed{\sf d = 141\ feet}$

Step-by-step explanation:

<u>Given Data:</u>

Circumference = C = 443 ft

<u>Required:</u>

Diameter = d = ?

<u>Formula:</u>

d = C / π

<u>Solution:</u>

d = 443 / 3.14

d = 141.0 feet

d = 141 feet

$\rule[225]{225}{2}$

Hope this helped!

3 0

1 year ago

Read 2 more answers

How to solve this system of equal: x+y+z=1;x^2+y^2+z^2=1

swat32

There are infinitely many solutions.

Algebraically, we can eliminate $z$ and try to solve for $x,y$ :

$x+y+z=1\implies z=1-x-y$

Then

$x^2+y^2+(1-x-y)^2=1$

$\implies x^2+y^2+1-2x+x^2-2y+y^2+2xy=1$

$\implies x^2-x+y^2-y+xy=0$

which is the equation of an ellipse.

5 0

3 years ago