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4 years ago

PLEASE HELP! GIVING OUT BRAINLIEST

Mathematics

1 answer:

cestrela7 [59]4 years ago

7 0

a) Unit rate = 24 oz / 10lb = 2.4 oz / lb

This means that we need 2.4 oz of seasoning for every pound of crawfish

b) For 30 lbs....we need 30 * 2.4 = 72 oz of seasoning

c) With 36 oz of seasoning...we can cook 36 / 2.4 = 15 lbs of crawfish

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A company has developed a new type of light bulb, and wants to estimate its mean

BARSIC [14]

Answer:

628

Step-by-step explanation:

We have the standard deviation of the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 12 - 1 = 11

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 11 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.95}{2} = 0.975$ . So we have T = 2.2

The margin of error is:

$M = T\frac{s}{\sqrt{n}} = 2.2\frac{59}{\sqrt{12}} = 37$

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 665 - 37 = 628 hours.

The answer is 628

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3 years ago

Claire earned $60 babysitting on Friday night. She spent 1/4 of it at the movie, 1/3 going out to dinner, and she saved the rest

In-s [12.5K]

Answer:

25 dollars

Step-by-step explanation:

1/4*60=15

1/3*60=20

20+15=35

60-35=25

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3 years ago

Make has 12 guavas he want to share his guavas with her 3 younger sister equally. how many guavas does each dame have

Bogdan [553]

Each person has 4 guavas (12 divided by 3 is 4)

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2 years ago

Jackie wants to plant 2 1/2 rows of corn in her garden. She needs 3 1/4 ounces of seed for each row. How many totally ounces of

dimaraw [331]

Answer:

$8\frac{1}{8}$ ounces.

Step-by-step explanation:

Given

Number of rows of corn $=2\frac{1}{2}$ rows.

Seed required in each row is $=3\frac{1}{4}$ ounces.

So, total seed required to plant corn in $2\frac{1}{2}$ rows is

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$=(2\frac{1}{2})\times(3\frac{1}{4})\\\\\ Multply\ denominator\ to\ whole\ number\ part\ then\ add\ that\ number\ to\ numerator\\\\=\frac{5}{2}\times\frac{13}{4}\\ \\Divide\ 65\ by\ 8\ we\ have\ 8\ with\ reminder\ 1\\\\=\frac{65}{8}\\\\So,\frac{65}{8} =8\frac{1}{8}$

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3 years ago

Can i reduce 7/20 into a lower term?

larisa86 [58]

No nothing can go into 7 evenly except 7 but that doesn’t go into 20 evenly so your answer is no

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3 years ago