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wolverine [178]
3 years ago
7

-30 + 10 Find the sum

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
5 0
The answer of -30+10 is -20

-30+10=-20
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I need helppp on my test and i can't get it wrongggg
Artyom0805 [142]

Answer:

Perimeter = 16x + 16

Area = 40x + 15

Step-by-step explanation:

Perimeter = the sum of all the side lengths

Perimeter = 2(8x+3) + 2(5) = 16x + 6 + 10 = 16x + 16

Area = product of base times height

Area = (8x+3)*5 = 40x + 15

6 0
2 years ago
2 less that one-third of the points that the Panthers scored
loris [4]
Lets say the panthers scored 10.

That would be 2 - (1/3 * 10)
6 0
3 years ago
What is the theoretical probability of rolling a 1 or a 5 on a standard six-sided die?
Vaselesa [24]
1/3 probability of rolling a 1 or a 5 
5 0
3 years ago
If <img src="https://tex.z-dn.net/?f=f%28x%29%3D%20%5Cfrac%7B1%7D%7Bx-2%7D%20" id="TexFormula1" title="f(x)= \frac{1}{x-2} " alt
Darina [25.2K]
I think, the answer will be -7

We have:
f(x)=1/(x-2)
g(x)
Then:
(fg)(x)=[1/(x-2)](g(x))=g(x)/(x-2)
Now; we calculate: (fg)`(x)
Remember: (u/v)=(u`v-vu´)/v²
Therefore:

(fg)´(x)=[g´(x)*(x-2) - 1*g(x)]/ (x-2)²
We know that:
g´(1)=-1
(fg)´(1)=6
Therefore:
6=[-1*(1-2)-g(1)]/(1-2)²
6=[1-g(1)]/1
6=1-g(1)
-g(1)=6-1
g(1)=-5

Answer: B. -5
4 0
3 years ago
Work out the size of the angle
Fittoniya [83]

Answer:<CDA≈ 47.5 degrees

Step-by-step explanation:

I note M , so BM _|_ AD

in trg ABM, T Pitagora

AM^2=AB^2-BM^2

AM^2=6.5^2-6^2

AM^2=42.25-36

AM^2=6.25

AM=2.5

I note N , so CN_|_  AD

AD=AM+MN+ND

23=2.5+9+ND

23=11.5+ND

ND=23-11.5

ND=11.5

in trg CND

tg <CDA=CN/ND

=6/11.5

=1.(09)

so <CDA≈ 47.5 degrees

6 0
3 years ago
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