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3 years ago

95. A doll manufacturer makes happy dolls and

Mathematics

1 answer:

vovangra [49]3 years ago

8 0

Answer: 45, 40

If you make 45 H. dolls, you make 2/3rds * 45 G. dolls, which is 30 G. dolls. 45+30 =75, the least number you can make.

If you make 60 H. Dolls you will make 40 G. Dolls, for a total of 100 dolls, so 40 is the maximum number of G dolls you can make

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Evaluate<br> 5x-2y;x=2,y=-1

Akimi4 [234]

Answer:

Step-by-step explanation:

5x - 2y

5 ( 2 ) - 2 ( 1 )

10 - 2

8 0

2 years ago

Suppose ACT Reading scores are normally distributed with a mean of 21.4 21.4 and a standard deviation of 5.9 5.9 . A university

Nutka1998 [239]

Answer:

29.2

Step-by-step explanation:

Mean = 21.4

Standard deviation = 5.9%

The minimum score required for the scholarship which is the scores of the top 9% is calculated using the Z - Score Formula.

The Z- score formula is given as:

z = x - μ /σ

Z score ( z) is determined by checking the z score percentile of the normal distribution

In the question we are told that it is the students who scores are in the top 9%

The top 9% is determined by finding the z score of the 91st percentile on the normal distribution

z score of the 91st percentile = 1.341

Using the formula

z = x - μ /σ

Where

z = z score of the 91st percentile = 1.341

μ = mean = 21.4

σ = Standard deviation = 5.9

1.341= x - 21.4 / 5.9

Cross multiply

1.341 × 5.9 = x - 21.4

7.7526 = x -21.4

x = 7.7526 + 21.4

x = 29.1526

The 91st percentile is at the score of 29.1526.

We were asked in the question to round up to the nearest tenth.

Approximately, = 29.2

Step-by-step explanation:

7 0

3 years ago

In survey 17/25 of the people surveyed have a cat. what percent of the people surveyed have a cat?

mestny [16]

Answer:

The percentage of the people surveyed that have a cat is 68%

Step-by-step explanation:

we know that

To find the percentage of the people surveyed that have a cat, multiply the given fraction by 100

$\frac{17}{25}*100=17*4=68\%$

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ArbitrLikvidat [17]

A 16" pizza feeds up to 12 people hope this helps

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2 years ago

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Alekssandra [29.7K]

Answer:

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Step-by-step explanation:

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3 years ago