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schepotkina [342]
3 years ago
7

Detective Pi has 5 1/5 quarts of orange juice. She likes to have 2/5 of a quart every morning how may mornings can detective pi

have orange juice before she runs out
Mathematics
2 answers:
Gnesinka [82]3 years ago
8 0
She can have 13 mornings before running out of orange juice.
jek_recluse [69]3 years ago
4 0

We are given

Detective Pi has 5 1/5 quarts of orange juice

we can write in fraction form

we get

=\frac{5*5+1}{5}

=\frac{26}{5}

so,

Detective Pi has =\frac{26}{5} quarts of orange juice

Let's assume

total number of mornings is x

She likes to have 2/5 of a quart every morning

so,

total quantity of juice = total number of morning*She likes to have 2/5 of a quart every morning

total quantity of juice is

=\frac{2}{5} x

now, we can set it equal to 26/5

\frac{26}{5}=\frac{2}{5} x

now, we can solve for x

we can multiply both sides by 5

\frac{26}{5}*5=\frac{2}{5} x*5

26=2x

divide both sides by 2

we get

x=13

so, total number of mornings is 13..........Answer

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bulgar [2K]

Answer:

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap music every day.

Step-by-step explanation:

Given  a sample survey compared 634 randomly chosen Indians aged 15 to 25 with 567 randomly selected Asians in the same age group.

p_{1} = \frac{368}{634} =0.580

It found that 368 of the Indians and 130 Asians listened to rap music every day.

p_{2} = \frac{130}{567} =0.229

Null hypothesis H0: there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

p_{1} = p_{2}

Alternative hypothesis:- p_{1} \neq  p_{2}

Level of significance α = 0.05

The test of statistic

z = \frac{p_{1} -  p_{2}}{\sqrt{pq(\frac{1}{n_{1} }+\frac{1}{n_{2} })  } } }

where p = \frac{n_{1}p_{1} + n_{1}p_{2}}{n_{1}+n_{2}} = \frac{634(0.580)+567(0.229)}{634+567}

       p = 0.414

and q = 1-p = 1- 0.414 =0.586

Z = \frac{0.580-0.229}{\sqrt{0.414(0.586)(\frac{1}{634} +\frac{1}{567} } } }

on calculation , we get

z = 0.300 ><1.96 at 95 % level of significance

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

3 0
3 years ago
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zzz [600]

Step-by-step explanation:

8.35 < 3x + 18.75

3x + 18.75 > 8.35

3x > 8.35 - 18.75

3x > -10.4

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5 0
3 years ago
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Answer:

All rational numbers or all numbers

Step-by-step explanation:

The function is a linear positive slope equation, which looks like the screenie below. Lines always travel forever, and since it is a linear line with a slope, it will be forever going in both directions.

Domain is the x-values that a function has, while range is the y-values.

Since the domain and range are infinite, it is all real numbers.

Hope this helps!

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8 0
2 years ago
Rory rode his bike a total of 7.75 miles last week. He biked the same distance each of the 5 days he rode. How many miles did Ro
exis [7]

Answer:

Rory rode 1.55 miles each day

Step-by-step explanation:

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6 0
2 years ago
Pls help!!!! ASAP!!
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Answer:

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Step-by-step explanation:

The ratio is 5 to 3

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