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cluponka [151]
2 years ago
6

Domain and range helllllllllllllllllllllllllllppppp

Mathematics
1 answer:
charle [14.2K]2 years ago
7 0
Na I don't wanna do this one

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Need help with geometry question?
Nuetrik [128]

Answer: A, Corresponding; Vertical


Step-by-step explanation: The answer for angles 1 and 5 are Corresponding Angles (Elevator Angles)  and angles 1 and 4 are Vertical Angles.

All Angles besides a Linear Pair and Same-Side Interior Angle are Congruent.

5 0
3 years ago
3x+5=2x-4 please solve
Elis [28]
The answer i got was x=-9
5 0
3 years ago
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Given that Triangle ABC such that<br>a=8cm, b=7cm and c=9cm<br>tem and c= 9cm find Cos B​
charle [14.2K]

Answer:

We use cosine rule also called cosine law which states

c^2=a^2+b^2-2abcosC

given

a=8cm, b=7cm, c=9cm cos C?

9^2=8^+7^2-2*8*7 cos C

expand

81=64+49-112 cos C

like terms together

81-113=-112 cos C

-32=-112cos C

multiply both sides by -1

32=112cos C

divide both sides by 112

32/112=cos C

cosC=0.2857

find cos inverse of 0.2857

angle C= 73.40

4 0
3 years ago
I am thinking of 2 numbers.
STALIN [3.7K]
I’m not 100% sure but it could be 225 and 328. Adding those together you get a sum of 553.

Hope this helped! Mark me brainliest if you’d like, im tryna get too expert!
8 0
2 years ago
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Does this table represent a function? Why or why not?
arsen [322]

Answer:

D

Step-by-step explanation:

Because their are more than one ranges

6 0
2 years ago
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