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expeople1 [14]
3 years ago
13

Round 897,100 to the nearest ten thousand

Mathematics
1 answer:
mixer [17]3 years ago
3 0
Its 900000 that's what I think
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-5m+(-8n) simplest form
quester [9]

Answer:

-5m-8n

This is the simplest form

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3 years ago
What is this equation<br> 6(14+8)+12
Bess [88]

add 14+8 first, which is 22

then, multiply 6 by 22, which is 132

and lastly, add 12

the answer is 144

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3 years ago
Mrs. Speas has $138 in her bank account during Week #1. At the end of each week, she deposits $55 into her bank account. What is
nordsb [41]

The first term is 138

The difference is 55

The iterative rule for the amount of money Mr Speas has after n weeks is

55/2 n² + 221/2 n

During the first week she has $138 in his bank account. At the end of each week she deposited $55 into her bank account.

The first term will be 138 .

The common difference is 55 because her bank always increase by $55 dollars every week. The sequence will be 138, 193, 248, 303, 358...…

The difference = 193 - 138 = 55.

The iterative rule for the amount of money Mr Speas has after n weeks can be represented  below

n = number of weeks

a = first term = 138

d = common difference = 55

Using AP formula,

sₙ = n/2(2a + (n - 1)d)

sₙ = n/2 (2(138)+ (n - 1)55)

sₙ = n /2(276 + 55n -55)

sₙ = n /2(221 + 55n)

sₙ = 55/2 n² + 221/2 n

read more: brainly.com/question/20373665?referrer=searchResults

6 0
2 years ago
Read 2 more answers
Explain why we can use any two points on a line to find the slope of the line
ololo11 [35]

Because all the coordinates of a line has the same slope. So, we can use any two of them to find the slope.


6 0
2 years ago
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Hypothesis testing on samples with fewer than 30 participants can be carried out by using the t-value for the corresponding leve
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Answer: true

Step-by-step explanation:

Z-tests are statistical calculations that can be used to compare the population mean to a sample mean The z-score is used to tellsbhow far in standard deviations a data point is from the mean of the data set. z-test compares a sample to a defined population and is typically used for dealing with problems relating to large samples (n > 30). Z-tests can also be used to test a hypothesis. Z-test is most useful when the standard deviation is known.

Like z-tests, t-tests are used to test a hypothesis, but a t-test asks whether a difference between the means of two groups is not likely to have occurred because of random chance. Usually, t-tests are used when dealing with problems with a small sample size (n < 30).

Both tests (z-tests and t-tests) are used in data with normal distribution (a sample data or population data that is evenly distributed around the mean).

3 0
3 years ago
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