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3 years ago

What is 0.625 rounded to the nearest tenth

Mathematics

1 answer:

Gnoma [55]3 years ago

3 0

Answer:

0.6

Step-by-step explanation:

.6 is in the tenth place and it does not need to be rounded up but the number in the hundreths place is not above 4

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Approximately how much larger is the population of Pennsylvania than the population of Ohio? Pennsylvania's population is 12,604

nadya68 [22]

Answer= 1 million

For an approximation we don't use exact numbers. Seeing as Pennsylvania has a population of around 12.6 million and Ohio has a population near 11.5 million, there is about a difference of 1 million when comparing the populations.

6 0

3 years ago

Read 2 more answers

Please help me :) I can’t do this without u guys

Vedmedyk [2.9K]

The answer would be m^2 n because it’s the largest thing that can go into both monomials

3 0

3 years ago

A farmer is tilling a rectangular field that is 65 meters long and 72 meters wide. What is the distance between opposite corners

ss7ja [257]

Answer:

97m

Step-by-step explanation:

From the image below we solve using pythagoras's theorem

x^2 = 72^2 + 65^2

x^2 = 5184 + 4225

x^2 = 9408

x = 97 m.

Further explanation is shown 8n the image.

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4 years ago

A winery has a vat with two pipes leading to it. the inlet pipe can fill the vat in 44 ?hours, while the outlet pipe can empty i

lapo4ka [179]

Rate of fill-up = 1/44 = 1/44 * 77/77 = 77/3388

Rate of emptying = 1/77 = 1/77 * 44/44 =44/3388

Combined Rate of Fill-up = 77/3388 - 44/3388 = 33/3388 = 3/308

Time for combined fill-up = 308/3 = 102.6667 hours = 102 hours and 40 minutes

4 0

3 years ago

X is normally distributed with a mean of 100 and a standard deviation of 15. What is the probability of randomly sampling a scor

VikaD [51]

Answer:

Using calculator: 0.0415

Using Z-score Table: 0.0418

Step-by-step explanation:

There are two ways you can solve this problem.

1. Use the normal distribution function on a calculator.

Entered values:

Lower Limit: 126

Upper Limit: 999999999999999... (To encompass all the data)

Standard Deviation: 15

Mean: 100

2. Find the Z score and look up probabilities on table.

Formula for Z score:

$Z=\frac{x-mean}{standard deviation} \\\\Z= \frac{126-100}{15}=1.7333...$

Z = 1.7333

This means that the value 126 is 1.733 standard deviations away from the mean. We can look this value up on the Z table to find its corresponding probability.

This will show us the probability of the random sampling being equal to or lower than 126.

P = 0.9582

So to find the probability of it being above, we simply just calculate the inverse as all probabilities on the curve = 1.

1-0.9582 = 0.0418

NOTE: Values found from the table will usually be a bit different from if you find it from a calculator, the one you need will depend on the method you use in class.

Hope this helped!

6 0

3 years ago