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inn [45]
3 years ago
15

How do you do simplify this -9 -11

Mathematics
2 answers:
zheka24 [161]3 years ago
7 0

Answer:

-9 + -11=-20

Step-by-step explanation:

Since subtracting is the same as addition of the oppositie, just putting a negative symbol is easier because you are only working with negative numbers, instead of one negative and one positive.

Did that help?

nikklg [1K]3 years ago
4 0

Answer:

-20

Step-by-step explanation:

it’s just solving it, nothing special

-9+-11

(I made it addition ti make it easier, why, because if there’s a problem that doesn’t make sense right away make it addition, to make it addition just make the signs opposite, Ex: -3-5, we keep -3 and make the negative sign before the 5 into addition and now to make that equal we turn the now positive 5 into negative 5 so final result is -3+-5 which is much easier and you’ll get -8.

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PLease help me LOTS of points
notsponge [240]

Answer:

15) a) 8

b) y + 2

c) y - 1

16) True

17) 2n - 1, where n is an integer

18) a) 3p + 4q

b) 500 - 3p - 4q

4 0
3 years ago
A line segment has endpoints (-5, 10) and (a,b) . If the midpoint of the segment is (13, -2), what is the absolute difference be
AlexFokin [52]
If the line segment point is D(-5, 10) and E(a,b) and the  midpoint of the segment is F(13, -2) that mean 
DE= 2*DF

You can directly find the distance of AC 
Xdf= Xf-Xd= 13 - (-5)= 18
Ydf= Yf - Yd= -2 - 10= -12

Then add the distance of AB( which is 2*AC) to point D
Xe= a = Xd + 2*Xdf 
a= -5 +2*18= 31

Ye= b = Yd + 2Yf
b= 10+ 2*-12= -14

<span>absolute difference between a and b:
|b-a|= </span>|-14-31|= 45
7 0
3 years ago
What is the fraction 1 over 6 as a percent?
gavmur [86]
Just simply divide then multiply by 100
1/6= 0.166667×100=<span>16.6667%

So </span>16.6667% is the answer
if you want it rounded 16.7%
6 0
3 years ago
Read 2 more answers
Kelly is knitting a scarf for her brother in it to 1/3 hour to knit 3/4 foot of the scarf how fast is Kelly in knitting feet per
Naily [24]

I think the answer is 2.25 or 2 and 1/4.

You divide 3/4 by 1/3 and get 2.25 or 2 and 1/4.

I don't know if this is right, I hope it is, have a good day. c;


6 0
3 years ago
Which situation is most likely to have a constant rate of change?
lutik1710 [3]

Answer: A. Ounces of water consumed compared with the number of same-size bottles drunk  



Step-by-step explanation:

When a quantity changes uniformly with respect to the change of other quantity, then we say there is a constant rate of change.

Thus, if one quantity is directly proportional to the other quantity then there is constant rate of change.

A. Ounces of water consumed is directly proportional to the number of same-size bottles drunk. Hence there is a constant rate of change of ounces water with respect to the number of same-sized bottles.

Rest of other options do not have directly proportionality relation between the quantities.

8 0
3 years ago
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