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n200080 [17]
3 years ago
14

1. Erika has 4 ¾ gallons of Power Aid to serve her fitness club members. If each member gets ⅔ of a gallon of Power Aid, how man

y bottles does Erika need to fill up?
Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
5 0
If u divide 4 3/4 by 2/3 you will get 7 1/8
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Thomas sent out 1500 surveys about the towns favorite pizza parlor. He had 245 returned in week 1, 173 in week 2, 185 in week 3,
musickatia [10]
1500 total surveys sent
Returned: 245 + 173 + 185 + 92 = 695

1500-695 = 805
7 0
3 years ago
Read 2 more answers
Determine the probability of having 2 girls and 3 boys in a 5-child family assuming boys and girls are equally likely.
Andrew [12]
The correct answer is 5/16.
5 0
2 years ago
1) On a standardized aptitude test, scores are normally distributed with a mean of 100 and a standard deviation of 10. Find the
Musya8 [376]

Answer:

A) 34.13%

B)  15.87%

C) 95.44%

D) 97.72%

E) 49.87%

F) 0.13%

Step-by-step explanation:

To find the percent of scores that are between 90 and 100, we need to standardize 90 and 100 using the following equation:

z=\frac{x-m}{s}

Where m is the mean and s is the standard deviation. Then, 90 and 100 are equal to:

z=\frac{90-100}{10}=-1\\ z=\frac{100-100}{10}=0

So, the percent of scores that are between 90 and 100 can be calculated using the normal standard table as:

P( 90 < x < 100) = P(-1 < z < 0) = P(z < 0) - P(z < -1)

                                                =  0.5 - 0.1587 = 0.3413

It means that the PERCENT of scores that are between 90 and 100 is 34.13%

At the same way, we can calculated the percentages of B, C, D, E and F as:

B) Over 110

P( x > 110 ) = P( z>\frac{110-100}{10})=P(z>1) = 0.1587

C) Between 80 and 120

P( 80

D) less than 80

P( x < 80 ) = P( z

E) Between 70 and 100

P( 70

F) More than 130

P( x > 130 ) = P( z>\frac{130-100}{10})=P(z>3) = 0.0013

8 0
3 years ago
Simplify<br><br><br> (3x + 14) + (19x - 35)
Ray Of Light [21]

Answer:

22x -21

Step-by-step explanation:

(3x + 14) + (19x - 35)

Combine like terms

3x+19x   + 14-35

22x   -21

6 0
3 years ago
I will give the BRAINIEST
IceJOKER [234]

Answer:

It's f(x)=10x+8

Step-by-step explanation:

Because it says every hour not every half hour and the graph changes by 0.5 instead of 1 so m would equal 10

3 0
3 years ago
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