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ella [17]
3 years ago
15

Twenty students out of 80 kids had pizza for lunch. What is the percentage of students that had pizza for lunch?

Mathematics
2 answers:
serg [7]3 years ago
8 0

Answer:

0.25

Step-by-step explanation:

Divide 20 by 80

Paha777 [63]3 years ago
6 0

Answer:

25%

Step-by-step explanation:

20/80 = 2/8 = 1/4

1/4 = 0.25

0.25 x 100 = 25

so 25%

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The table represents a linear function.
WARRIOR [948]

Answer:

3rd answer : 5

Step-by-step explanation:

the slope is the ratio "y coordinate change / x coordinate change".

so, we see that in the table. when going from one point to the next,

x changes by +2.

y changes by +10.

the slope is then

+10/+2 = 5

5 0
2 years ago
The school wishes to purchase 2500 pens and have discovered that 3 stores sell the same model pen.Which store has the best buy ?
8_murik_8 [283]
Store\ A:  \frac{0.5}{15}=0.0333\ cents\ per\ pen \\  \\ Store\ B: \frac{1.7}{50}=0.034\ cents\ per\ pen \\  \\ Store\ C: \frac{0.9}{30} =0.03\ cents\ per\ pen \\  \\ Store\ C\ is\ the\ cheapest.
7 0
3 years ago
Help help help!!!!!!!!!!!
barxatty [35]
D.) It is not correct because the second number tells you how far to go up or down, not across.

Second number represents y-coordinates, so they are the points in vertical direction, in that case you can't move in x-axis which is horizontal.

Hope this helps!
4 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the point (8,-8)(8,−8) and is perpendicular to the line 4x-3y=184x−3y=18?
Kitty [74]

Answer:

The equation of the line is y = -\frac{3x}{4} - 2

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept.

Perpendicular lines:

When two lines are perpendicular, the multiplication of their slopes is -1.

Perpendicular to the line 4x-3y=18

First, we place this line into the format, to find the slope:

4x - 3y = 18

3y = 4x - 18

y = \frac{4x}{3} - 6

This line has slope 4/3. So, for the perpendicular line, the slope will be of m as such:

\frac{4m}{3} = -1

4m = -3

m = -\frac{3}{4}

So the desired line will have an equation in the following format:

y = -\frac{3x}{4} + b

Passes through the point (8,-8)

We use this to find b. This point means that when x = 8, y = -8. So

y = -\frac{3x}{4} + b

-8 = -\frac{3*8}{4} + b

-8 = -6 + b

b = -2

So

y = -\frac{3x}{4} - 2

8 0
3 years ago
If you spun the spinner 100 times would you expect it to land on red
777dan777 [17]

How many colors are there in total?

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