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Norma-Jean [14]

3 years ago

11

A wooden crate holds 48 pounds of bananas. The crate already has 15 pounds inside. Which inequality represents the solution set

for how many pounds of bananas can be added?

1 answer:

Alexeev081 [22]3 years ago

3 0

Answer:

48=15+x

Step-by-step explanation:

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The contents of seven similar containers of sulfuric acid are 9.8, 10.2, 10.4, 9.8, 10.0, 10.2, and 9.6 liters. find a 95% confi

Kamila [148]

The confidence interval is from 9.81 to 10.19.

We first find the mean of the data:

<span>(9.8+10.2+10.4+9.8+10.0+10.2+9.6)/7 = 10

Next we find the standard deviation:
</span>σ=√([<span>(9.8-10)^2+(10.2-10)^2+(10.4-10)^2+(9.8-10)^2+(10-10)^2+(10.2-10)^2+(9.6-10)^2]/7) = 0.262

The z-score for 95% confidence is found by
1-0.95 = 0.05; 0.05/2 = 0.025; from the z-table, it is 1.96.

The confidence interval is calculated using
</span> $x\pm z\times (\frac{s}{\sqrt{n}})
\\
\\10 \pm 1.96(\frac{0.262}{\sqrt{7}})=10\pm 0.1941$ <span>
</span>

7 0

3 years ago

Solve the following inequality. <br> 2P - 3 > P + 6

WITCHER [35]

Answer:

P > 9

Step-by-step explanation:

first, you add 3 to both sides,

2p > P + 9

then subtracts P from both sides,

P > 9

your final answer is P > 9

Hope this helps! :)

7 0

2 years ago

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A university council wants to determine the need for a new staff room. The council conducted a survey of the staff by randomly s

iogann1982 [59]

Answer:

As the sample size is appropriately large, the margin of error is 0.026

Step-by-step explanation:

7 0

3 years ago

When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.10. After that, each additi

Sauron [17]

Answer: the number of minutes of long distance call that one can make is lesser than or equal to 12 minutes.

Step-by-step explanation:

Let x represent the number of minutes of long distance call that one makes.

The first three minutes of a call cost $2.10. After that, each additional minute or portion of a minute of that call cost $0.45. This means that if x minutes of long distance call is made, the total cost would be

2.10 + 0.45(x - 3)

Therefore, the inequality to find the number of minutes one can call long distance for $6.15 is expressed as

2.10 + 0.45(x - 3) ≤ 6.15

2.10 + 0.45x - 1.35 ≤ 6.15

0.75 + 0.45x ≤ 6.15

0.45x ≤ 6.15 - 0.75

0.45x ≤ 5.4

x ≤ 5.4/0.45

x ≤ 12

4 0

3 years ago

Y=5x+2 and 3x=-y+10 what is the soluion of equation

Harlamova29_29 [7]

I hope this is the answer you want

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3 years ago

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