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Advocard [28]
3 years ago
7

The graph shows the number of paintballs a machine launches, y, in x seconds:

Mathematics
2 answers:
Artemon [7]3 years ago
7 0

Per the chart the rates are 20 balls in 4 seconds ( 20 over 4), 40 balls in 8 seconds ( 40 over 8), 60 balls in 12 seconds ( 60 over 12)  and 80 balls in 16 seconds ( 80 over 16).

The answer B. 20 over 4

Goryan [66]3 years ago
4 0
Fraction 4 over eighty
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he value of y varies directly with the value of x. When y = 32.5, x = 5. What is the value of y when x = 10? A) 1.5 B) 2.2 C) 37
xz_007 [3.2K]

Answer:

D) 65

Step-by-step explanation:

The formula for direct variation is

y = kx

where k is the constant of variation.


If we know y=32.5 and x=5, we can substitute in to calculate k

32.5 = k * 5

Divide each side by 5

32.5/5 = k

6.5 = k

So the equation is

y = 6.5k

Given x =10

y = 6.5*10

y = 65

7 0
3 years ago
Read 2 more answers
What number produces a rational number when added to 0.25?
MrRissso [65]

Answer:

.625 to get .875

Step-by-step explanation:

what is a rational number

8 0
2 years ago
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Cannon sells the IVY REC for $130. Early crowdfunders could buy it for $104. What is this discount written as a percent?
MrMuchimi

Answer:

20%

Step-by-step explanation:

First, find the difference between $130 and $104. This equals $26, and to find this discount written as a percent, divide $26 by the original cost of the camera. 26/130=0.2, which represents a 20% discount.

3 0
2 years ago
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From families with four children a family is chosen at random. Let X be the number of boys in the family. Calculate and sketch t
alisha [4.7K]

Solution :

Given :

X = the number of boys in a family of four children

Families having four children are chosen randomly.

The gender distribution in the four child family are equally probable.

Thus,

 X                P(X)                                          CDF

0             ^4C_0 (1/2)^{4}        = 1/16                     \frac{1}{16}

1               ^4C_1 (1/2)^{4}       = 1/4                       \frac{5}{16}

2                ^4C_2 (1/2)^{4}      = 3/8                      \frac{11}{16}

3                ^4C_3 (1/2)^{4}      = 1/4                       \frac{15}{16}

4                  ^4C_4 (1/2)^{4}    = 1/16                      1

4 0
3 years ago
Which line plot displays a data set with an outlier?<br><br> Plz answer quickly!
iren2701 [21]
The answer is the first data set because remember, an outlier is a number in a data set that is extremely far away from all of the other numbers.

You can easily tell which one is the outlier, the first data set's outlier is 13, because it is was placed so far away from the other data points.

We know that the first data set is correct because all of the other data sets have numbers that are clustered together.

~Hope I helped!~
7 0
3 years ago
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