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erastovalidia [21]
3 years ago
9

Please help me with this.

Mathematics
1 answer:
ella [17]3 years ago
5 0
The answer is the third one 16/21 (c)
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The results for a survey of 120 students who were selected randomly are listed below:60 students have a cell phone plan with com
vovikov84 [41]

Answer:

<u>114</u>

<u>Steps listed below</u>

Set up the proportion:

<u>36</u>       <u>  x  </u>

120     380

Cross Multiply to get:

120x and 13680

Divide each side by 120:

<u>120x</u>      <u>13680</u>

120         120

Answer:

<u>x=114</u>

8 0
3 years ago
A percent is a way of expressing a fraction with the denominator
nignag [31]
X% = x/100

so,
it is a <span>way of expressing a fraction with the denominator </span> = 100
5 0
3 years ago
Sally's average grade in math is a 76 ,but this is not her final grade. Sally takes her Math exam she got a 61 % and the final i
Aloiza [94]
Use the equation:

76 * .8 + 61 * .2 = Final Grade
6 0
3 years ago
Mr. Nowling's garden has a length that is 7 feet more then twice the width. Draw a diagram to represent this situation. Label ea
azamat

Answer:

Step-by-step explanation:

the expression for the perimeter would be

2(x) + 2(2x+7)

which can be simplified to 2x+4x+14

which equals 6x+14

8 0
4 years ago
The following cube has a volume of 8000 cm3. Find the length of one side of the cube.
Artemon [7]
<span>Vcube = Ledge^3
8000cm^3 = Ledge^3

use the cube root of each side and you have the measure of an edge in cm.

8000^(1/3) = 20
  every edge is 20 cm

20^2 = 400
The area of each face is 400 cm^2. </span>
6 0
3 years ago
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