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nika2105 [10]
3 years ago
12

Find the most important variable in the problem.

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Let

x = the number of phone available

If it would require 8 more phones, then the total number of phones will be x + 8.

A company hired an additional 12 employees, and every employee needed a phone, then

x + 8 = 12

x = 4

This means 4 phones were available (and 8 more needed to total in 12 phones for 12 new employees)

Hence, correct option is option A.

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A liquid shake is being served in a cone shaped container with a base diameter of 8 centimeters and a height of 22 centimeters.
zhuklara [117]

Answer:

The container weighs approximately 28 g.

Step-by-step explanation:

In order to solve this problem we first need to calculate the volume of the container, since it's shaped like a cone we must use the following formula:

volume container = (pi*r²*h)/3

Applying the data from the problem:

r = d / 2 = 8/2 = 4 cm

volume container = [pi*(4)²*22]/3

volume container = (pi*16*22)/3

volume container = (352*pi)/3 = 368.6135 cm³

Since the density is 0.82 g/cm³, we can find the mass of the shake by using the following formula:

density = mass / volume

shake mass = density*volume = 0.82*368.6135 = 302.26307 g

Since the container plus shake weighs 330 grams, then the container alone weighs:

container = 330 -302.26307 = 27.73693 g

The container weighs approximately 28 g.

5 0
3 years ago
What is the verb used to determine the number of, or amount of, something?
kirza4 [7]
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4 0
3 years ago
Triangle RST was dilated by a scale factor of . The image, triangle R'S'T', is an isosceles triangle, with each leg measuring 8
Alik [6]
<span>Triangle RST was dilated by a scale factor of 1/2

Given: </span><span>triangle R'S'T', is an isosceles triangle, with each leg measuring 8 units. 

Pre-image: 
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measure of pre-image = measure of resulting image / scale factor

measure of pre-image = 8 / 1/2
measure of pre-image = 8 * 2/1 

measure of pre-image = 16 units.</span>
4 0
2 years ago
Read 2 more answers
Find all zeros of the polynomial function b(x)=x3-4x2-3x+12
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2 years ago
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