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aleksklad [387]
3 years ago
8

How do u find the volume of rectangular brick?

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
4 0

Answer:

the answer is to use the formula lxwxh or length x width x height

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Simplify ¾(8w+28)-10+w please :)
Zigmanuir [339]

Answer:

7w+11

Step-by-step explanation:

GEMDAS

7 0
2 years ago
Please help! files attached.
kotykmax [81]
The first question would be x + (x + 4). This is because Max has $x and Keisha has (x + 4) because she has four MORE THAN Max. I am pretty sure that the second one is A, but I am not positive. The first one is right though. I hope this helps!!!
5 0
2 years ago
A group of 54 college students from a certain liberal arts college were randomly sampled and asked about the number of alcoholic
aliya0001 [1]

Answer:

P-value =  0.4846

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 4.73

Sample mean, \bar{x} = 4.35

Sample size, n = 51

Alpha, α = 0.05

Sample standard deviation, s = 3.88

First, we design the null and the alternate hypothesis

H_{0}: \mu = 4.73\\H_A: \mu \neq 4.73

We use Two-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{4.35 - 4.73}{\frac{3.88}{\sqrt{51}} } = -0.699

Now, z_{critical} \text{ at 0.05 level of significance } = \pm 1.96

We can calculate the p-value with the help of standard normal table.

P-value =  0.4846

Since the p-value is higher than the significance level, we fail to reject the null hypothesis and accept it.

We conclude that this college has same drinking habit as the college students in general.

7 0
3 years ago
"The fitted regression line will always run through the mean of the observed data. In other words, the point (x with bar on top,
Kamila [148]
Great question goodluck in the future
6 0
2 years ago
A company that makes​ hair-care products had 3,000 people try a new shampoo. Of the 3,000 ​people, 18 had a mild allergic reacti
MrMuchimi

Answer:

60%

Step-by-step explanation:

There was a total of 3000 people and of those 3000 people only 18 had a mild allergic reaction.

18/3000 × 100 = 60%

5 0
3 years ago
Read 2 more answers
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