3 years ago

DK is prefix for what when measuring

Mathematics

1 answer:

alexgriva [62]3 years ago

4 0

I think the answer is Deka?

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What value of x satisfies the equation x + 3 = -(x + 1)?

blagie [28]

x = -2

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5 0

3 years ago

Find the value of x that makes m||n

svet-max [94.6K]

7x-23+11x+23=180
4x+0=180
4x/4=180/4
X=45

Answer: x=45

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3 years ago

Hi so i need help with 10 and 12 ASAP is due 11:40 I’m giving away all my points thx

blsea [12.9K]

Hi.

First, I am going to give you some definitions.This will help you do the problems.

-Complementary angles have a combined sum of 90.

- Supplementary angles have a combined sum of 180.

10. 40+50=90- so YES.

12. 159+20= 179.-so NO.

Make sure you learn the definitions properly next time!

7 0

3 years ago

Read 2 more answers

Each of 8 students reported the number of movies they saw in the past year. This is what they reported: 4, 14, 16, 4, 20, 19, 12

marysya [2.9K]

The mean is simply the average of the total movies seen so..
$\frac{4 + 14 + 16 + 4 + 20 + 19 + 12 + 10}{2} = mean$
$\frac{99}{2} = mean$
$49.5 = mean$

the median is the middle number (or the average of the middle 2 numbers)
so if we line up the numbers in order and cross them out from both ends we get 12 & 14 so we take the average of the 2
$13 = median$