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musickatia [10]
3 years ago
7

Simplify negative 8 over 3 divided by negative 2 over 6

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer: The answer is 8

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Consider the following sequence: -5, -1, 3,...
Alika [10]

Answer:

a. it is arithmentic - this is because for each term there is a constant increase of 4, and the change between each term <u>doesn't change</u>

b. you need to find the nth term, by using the equation difference x n + 0th term: the difference is (+)4 and the 0th term is -9 (-5 is the 1st term, so to go one back we subtract 4 - the inverse operation), so the nth term is 4n -9. Now we do the inverse operation on 119 to see if it's a term (it is a term if it's an integer. So, first we do 119 <u>plus</u> 9 (inverse of - 9) to get 128, then divide it by 4 rather than multiplying. This gives us 32, and that tells us that 119 is the 32nd term of the sequence.

4 0
2 years ago
Can someone plzzz answer these questions with showing work?
snow_lady [41]
So what you got to do is divide them perseay use a calculator for the first one 2/15 what would that be in a decimal 0.13333333333333 what ever on has 0.13333333  or something else repeating that is the one that you will circle 11/20=0.55   17/40 =0.425 1/2=0.5 so you answer would be 2/15
hope this helped
7 0
3 years ago
Find the population variance of: 4 6 8 9 9 <br><br> round to the nearest hundredth
soldi70 [24.7K]

Answer:

Step-by-step explanation:

To find the population variance, we first need the mean:

\bar{x}=\frac{4+6+8+9+9}{5}=\frac{36}{5}=7.2 so the mean is 7.2. To find the population variance (which is almost exactly the same as the sample variance except for a small difference in the denominators of the formula) we have to take each number minus the mean, and then square the difference. Add together all these squared numbers and then divide by the number of numbers. Like this:

(4-7.2)^2=10.24\\(6-7.2)^2=1.44\\(8-7.2)^2=.64\\(9-7.2)^2=3.24\\(9-7.2)^2=3.24

Add together those numbers and divide them by 5:

\sigma=\frac{10.24+1.44+.64+3.24+3.24}{5}=\frac{18.8}{5}=3.76

5 0
2 years ago
A hotel patron starts at the fifth floor and goes up seven floors to meet a friend. How many levels, and in which direction, mus
Sonbull [250]

Answer:

they must go 12 floors downwards because parking A has to be on the last floor

7 0
3 years ago
Bethany wears jeans every 2 days. She wears running shoes every 3 days. If she wears jeans with running shoes on May 1, what are
Vladimir [108]
May 7, May 13, May 20.
This is because the pattern is (Black is not wearing):
Jeans: ⚫️⚫️⚫️
Shoes: ⚫️⚫️⚫️⚫️
8 0
3 years ago
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