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zepelin [54]
3 years ago
8

If a piece of wood was 7.5 meters long into 3 equal pieces. how long is each piece in centimeters?

Mathematics
2 answers:
RideAnS [48]3 years ago
7 0
2 point something most likely. Byeeee
Archy [21]3 years ago
3 0
250cm.. you take 7.5 meters and multiply by 100 since there are 100 cm in a meter, then you divide by 3

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To mix plaster for a dental model, 45 milliliters (mL) of water are used for 100 grams (g) of plaster. How many milliliters (mL)
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6 0
3 years ago
A sample of 50 observations is taken from an infinite population. The sampling distribution of : a.is approximately normal becau
Korvikt [17]

Answer:

a.is approximately normal because of the central limit theorem.

Step-by-step explanation:

The central limit theorem states that if we have a population with mean μ and standard deviation σ and we take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed.

For any distribution if the number of samples n ≥ 30, the sample distribution will be approximately normal.

Since in our question, the sample of observations is 50, n = 50.

Since 50 > 30, then <u>our sample distribution will be approximately normal because of the central limit theorem.</u>

So, a is the answer.

3 0
3 years ago
According to the table, which statement is correct about the bank balances?
GuDViN [60]

Answer: The answer is D

Step-by-step explanation:

If you read all the answers only D is true

6 0
3 years ago
Tony separates a number of paintbrushes, x, into 3 equally sized groups. He claims that this is the same as making a group 1/3 t
DochEvi [55]

Answer:

Size of each group = \frac{x}{3}

Step-by-step explanation:

Total number of paint brushes = x

Since each the three groups are equally sized, to get the number of paintbrushes in a group, we will have to divide the total number of paint brushes by 3

∴ We have, number of paint brushes in a group = \frac{Total number of paintbrushes}{3}\\

= \frac{x}{3}

this is also the same thing as saying \frac{1}{3}×\frac{x}{1}

This shows that the size of the new group is the same as \frac{1}{3} the size of the original group

4 0
3 years ago
How many solutions exist for 2|x − 1| = 8?
lora16 [44]
Two solutions exist,
2(x - 1) = 8
2x - 2 = 8
2x = 10
x = 5
&
2(x + 1) = 8
2x + 2 = 8
2x = 6
x = 3

the two solutions are 5 and 3
4 0
3 years ago
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