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wariber [46]
3 years ago
6

2-(-8) please answer

Mathematics
2 answers:
zepelin [54]3 years ago
6 0

Answer:

10

Step-by-step explanation:

- and a - equal postive and 8 plus 2 is 10

jok3333 [9.3K]3 years ago
6 0

Answer:

10

Step-by-step explanation:

because if you look at:

-(-8)

it shows 2 negatives. and parentheses means to multiply,

And a negative times a negative equals a positive.

So -(-8) is also like -1x-8

they both equal (Positive) 8.

so if you put 8 back in the question it will be:

2+8

so it equals 10

I hope this helps        :)

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Find the geometric mean of the pair of numbers
Svetach [21]

Answer: a. 55

Step-by-step explanation:

The formula to find the geometeric mean between two numbers a and b is given by :-

G.M. =\sqrt{ab}

The given numbers are : 275 and 11

The geometric mean of 275 and 11 is given by :-

G.M.=\sqrt{275\times11}\\\\\Rightarrow\ G.M. =\sqrt{3025}\\\\\Rightarrow\ G.M.=\sqrt{55\times55}\\\\\Rightarrow\ G.M.=\sqrt{55^2}\\\\\Rightarrow\ G.M.=55

Hence, the geometric mean of 275 and 11 is 55.

So , the correct option is a. 55 .

4 0
3 years ago
What is y-3x=19 in slope intercept form
aleksley [76]
Y=3x+19 You add 3x to each side. Because your trying to get y by its self like y=mx+b.
4 0
3 years ago
Lines c and d are perpendicular. The slope of line c is −23. Which equation is true?
Trava [24]

Answer:

1/23

Step-by-step explanation:

The perpendicular slope will be the opposite reciprocal of the original slope so if slope of c is -23, slope of d is 1/23

4 0
2 years ago
Which equation would you use to find how high the bird is flying?
damaskus [11]

Answer:

The first one

Step-by-step explanation:

An easy way is SOH CAH TOA

SOH is that you use sine if you there is the opposite (in this case the question mark) and hypotenuse (the diagonal line)

CAH is that you use cosine for the adjacent side (1100) and the hypotenuse.

TOA is using tangent for the opposite and adjacent side.

To fine the question mark, you would use tangent. And plug in the given (1100 for the adjacent). So tan45 = x/1100.

If you need more help or clarification, let me know!

6 0
4 years ago
A rocket is launched in the air. The graph below shows the height of the rocket hh in meters after tt seconds.
fgiga [73]

Answer:

The answers are=

  1. (38, 0)
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  4. (19, 1768.9)
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3 0
2 years ago
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