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makkiz [27]
2 years ago
5

You are painting the outside of a 28

Mathematics
2 answers:
Artemon [7]2 years ago
8 0

Answer:

you have done 1/4 ... ....

denis23 [38]2 years ago
3 0

Answer:

B. 1/8

Step-by-step explanation:

If there are 4 equal sections then that means one section equals 1/4. If you are trying to find 1/2 of 1/4 you multiply the fractions together. 1/2 * 1/4 = 0.125 or 1/8.

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Write the equation in spherical coordinates. (a) x2 y2 z2 = 64
vekshin1

The equation in spherical coordinates will be a constant, as we are describing a spherical shell.

r(φ, θ) = 8 units.

<h3>How to rewrite the equation in spherical coordinates?</h3>

The equation:

x^2 + y^2 + z^2 = R^2

Defines a sphere of radius R.

Then the equation:

x^2 + y^2 + z^2 = 64

Defines a sphere of radius √64 = 8.

Then we will have that the radius is a constant for any given angle, then we can write r, the radius, as a constant function of θ and φ, the equation will be:

r(φ, θ) = 8 units.

If you want to learn more about spheres, you can read:

brainly.com/question/10171109

8 0
1 year ago
Suppose the band sells erasers for $2 per package and pencils for $5 per package. The band sells 220 packages in all and earns a
garik1379 [7]
Let e=erasers and p=pencils. So we know the total amount of erasers plus pencils sold is equal to 220. Therefore,

e + p = 220
We also know the cost of erasers and pencils totaled to $695 in earnings and so:

2e + 5p = 695
and so those are your two equations.

5 0
3 years ago
What is the slope of the line determined by the points (5,-3) and (-9,-6)
Serggg [28]

Answer:

slope = \frac{3}{14}

Step-by-step explanation:

Calculate the slope m using the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (5, - 3) and (x₂, y₂ ) = (- 9, - 6)

m = \frac{-6+3}{-9-5} = \frac{-3}{-14} = \frac{3}{14}

6 0
3 years ago
The bake sale only sold two items. Cookies cost $2 and mini pies cost $5. Josie bought twice
Vlad [161]

she bought 11 cookies and 1 mince pie

3 0
2 years ago
Read 2 more answers
Kenji's electricity bill costs $21.56 per month plus $2.46 per kilowatt hour. How many kilowatt hours can he use and keep his bi
Alik [6]

Answer:

Kenjii can use 13.19 kilowatt-hour.

Step-by-step explanation:

Giving the following information:

Kenji's electricity bill costs $21.56 per month plus $2.46 per kilowatt-hour.

<u>First, we will structure the total cost formula:</u>

Total cost= 21.56 + 2.46*x

x= kilowatt-hour

54= 21.56 + 2.46x

32.44= 2.46x

13.19= x

Kenjii can use 13.19 kilowatt-hour.

5 0
2 years ago
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