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Verdich [7]
2 years ago
9

Which relations are functions? Choose all answers that are correct:

Mathematics
1 answer:
dexar [7]2 years ago
5 0

Answer:

A. B and D are functions

Step-by-step explanation:

Functions are either one-to-one or many-to one    (x-value --> y value)

C is not a function because   -3  (x) maps to 1 and also to 0 (y).

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The diameter of a circle is 16 centimeters. How would you calculate the area?
Y_Kistochka [10]

Answer: 201.06

Step-by-step explanation:

To find the area of a circle with the radius, square the radius, or multiply it by itself. Then, multiply the squared radius by pi, or 3.14, to get the area. To find the area with the diameter, simply divide the diameter by 2, plug it into the radius formula, and solve as before.

Hope this helps!

6 0
4 years ago
Solve -2 1/3 - (-5) <br><br><br> ANSWER PLZ
Jlenok [28]

Answer:

Step-by-step explanation:

2.6666666667

6 0
3 years ago
Pls help me i need to find angle 2 an 3
damaskus [11]

Answer:

Angle 3 is 90 degrees

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5 0
3 years ago
Can anyone help me with these questions? I am sorry if they aren’t a lot of points.
Natalija [7]

Answer:

Question 1: A

Question 2: B

Question 3: C

Step-by-step explanation:

Please give me brainliest if this helps! :)

5 0
3 years ago
What is the expression obtained when the sum of 2a−16abc−45 and 2a+7abc+11 is subtracted from 6a+6abc−30?​
kow [346]

Answer:

2a+15abc+4

Step-by-step explanation:

(2a-16abc-45)+(2a+7abc+11)

\implies 2a-16abc-45+2a+7abc+11

collect and combine like terms:

\implies 4a-9abc-34

(6a+6abc-30)-(4a-9abc-34)

Apply the distributive law -\left(a-b\right)=-a+b:

\implies 6a+6abc-30-4a+9abc+34

collect and combine like terms:

\implies 2a+15abc+4

7 0
2 years ago
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