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3 years ago

1. You are on an alien planet where the name for a substance and the units of measures are very unfamiliar.

Mathematics

1 answer:

Galina-37 [17]3 years ago

6 0

10 sleps per 5 quibs times 60 quibs equals 120 sleps

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Sheryl spends $ 12 every week on cigarettes and spends $ 23 a month on dry cleaning. On an annual basis, the money spent on c

Lera25 [3.4K]

Answer:

just for the points

Step-by-step explanation:

6 0

2 years ago

After diving 86 feet below the surface, a diver ascends at 4 feet per minute. After 12 minutes pass, where is the diver located

Gemiola [76]

One possible way:
-86+(4*12)=-38
-86 is the number where the diver is. 86 feet below the surface.
4*12 is the total number of feet he has ascended in 12 minutes.
Because he is ascending, so you add 4*12 (or 48) to -86.
The answer is -38, meaning he's 38 feet below the surface.

The diver is now 38 feet below the surface.

Hope this helps.

7 0

3 years ago

Factorize completely the following algebra expression :<br>81x^4-16y^8

ohaa [14]

Here’s your answer the A/= it means the answer is okay.

6 0

2 years ago

In a class of strength 60, 75% like to become teachers. how manu dont like to be teachers?

timurjin [86]

No. of people don't like to be teacher

= 100% - 75% = 25%

<h3> $\frac{25}{100} \times 60 \\ = 15$ </h3>

So, 15 number of students doesn't like to be teacher

4 0

2 years ago

Given a population mean of 53.7 with a standard deviation of 1.3 and a sample size

a_sh-v [17]

Answer: A. 0.4899 B. 14

Step-by-step explanation:

If X = random variable

then, the standard deviation of the sampling distribution of X = $\dfrac{\sigma}{\sqrt{n}}$

GIven: $\sigma= 1.2, \n= 6$

The standard deviation of the sampling distribution of X = $\dfrac{1.2}{\sqrt{6}}=0.4899$

B. Let n be the sample size,

$0.325=\dfrac{1.2}{\sqrt{n}}\\\\\Rightarrow\ \sqrt{n}=\dfrac{1.2}{0.325}\\\\\Rightarrow\ \sqrt{n}=3.69230769231\\\\\Rightarrow\ n= (3.69230769231)^2=13.6331360947\approx 14$

Hence, the required sample size = 14

3 0

2 years ago