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Aleksandr-060686 [28]
3 years ago
8

I need help my question is 4/7 divided by -13/5

Mathematics
2 answers:
notka56 [123]3 years ago
7 0

Answer:

-20/91

Step-by-step explanation:

Cloud [144]3 years ago
6 0
I remember how to divide fractions by doing keep, change, flip. “Keep” means keeping the first fraction the same. The “change” means changing the division to multiplication. Lastly the “flip” means switching the numerator and the denominator. So, you would solve 4/7 times -5/13 . Multiply the numerator and denominator. So the answer would be, -20/91
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The table contains data for six students in a running club: time run in minutes, x, and the corresponding average speed in mph,
PSYCHO15rus [73]

Finding the correlation coefficient, it is found that the regression line shows a:

negative trend line with a strong relationship.

<h3>What is a correlation coefficient?</h3>

  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
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Inserting the values of a table, the x-values as 25, 28, 30, 31, 33, 40, and the y-values as 7.5, 6, 5.5, 5, 4.5, 4.5, the coefficient is of -0.85, which is negative and strong.

More can be learned about correlation coefficients at brainly.com/question/25815006

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1 year ago
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Whats 3.8412 in place values
ELEN [110]
3 in the hundred-thousand place, 8 in thousands place, 4 in the hundreds place, 1  in the tens place, 2 in the one's place.
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2 years ago
- In 12 minutes, Keyshawn read 50 pages.
dolphi86 [110]

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Please help! 10 points and brainlyist!!
yarga [219]

Answer:

1.80 in^3

1.0 fluid ounces^3

Step-by-step explanation:

volume of a cone = 1/3 πr²h

π = 3.14

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h = the value of h can be determined using Pythagoras theorem

The Pythagoras theorem : a² + b² = c²

where a = length

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c =  hypotenuse

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5 0
2 years ago
Distribute (2m-5m)(-5)
Reika [66]

First Method (Distributive Property)

(2m - 5m) (-5)

Rearrange the equation to make it easier.

(-5) (2m - 5m)

In distributive property, it's all about multiplying. The -5 goes to the 2m and the 5m. Like this: (-5 • 2m) - (-5 • 5m).

-10m + 25m

15m

Second Method

(2m - 5m) (-5)

Since 2m and 5m have the same variable, we can subtract them.

(-3m) (-5)

Multiply.

15m

15m is your answer. I hope this helps!

6 0
3 years ago
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