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IgorC [24]
3 years ago
14

If 20% of the students in your class like McDonald's, how many students are in your class if 4 students like McDonald's?

Mathematics
2 answers:
elena55 [62]3 years ago
5 0

Answer: it is 20 students

kondaur [170]3 years ago
5 0

Answer:

16 students

Step-by-step explanation:

4 students is 20% ,8 students is 40%, 12 students 80%, 16 students 100%

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Financial planners recommend that families save about 5% of their take-home pay. Ed and Sherrie save $90 each pay period from th
Ratling [72]

Answer:

Ed and Sheerie save 7.5%.

Step-by-step explanation:

This question can be solved using a rule of three.

Ed and Sherrie save $90 each pay period from their combined paychecks, which total $1200. What percent do Ed and Sherrie save?

How much of $1200 is $90? $1200 is 100% = 1, $90 = x. So

$1200 - 1

$90 - x

1200x = 90

x = \frac{90}{1200}

x = 0.075

Ed and Sheerie save 7.5%.

7 0
3 years ago
A cube has a volume of 216cm/3.what is the area of the base of the cube
Anettt [7]

Answer: 36 cm^2

Step-by-step explanation:

Hello!

We can start by finding the cube root of 216, which is 6. This is the length of each side of the cube.

Now, the area of the base of the cube is equal to 6^2=36 cm^2.

7 0
3 years ago
Read 2 more answers
The graph of which function has an axis of symmetry at x = 3?
babunello [35]

Answer:

The function in the fourth option will have an axis of symmetry at x = 3.

Step-by-step explanation:

We have to choose the function from options, the graph of which has an axis of symmetry at x = 3.

The function in the fourth option will have an axis of symmetry at x = 3.

It is f(x) = x2 – 6x – 1 On a coordinate plane, a parabola opens up. It goes through (0, negative 1), has a vertex at (3, negative 10), and goes through (6, 0). (Answer)

8 0
3 years ago
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Which equation has the same soultions as x^2+6×-7=0
blagie [28]
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4 0
2 years ago
Light travels at 186,282 miles per second,and the sun is 93 million miles from the earth.How many seconds does it take for the l
Virty [35]
Want it exact? Here it is:499.243083(got it from my calculator), if rounded, then here it is:500
7 0
3 years ago
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