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bazaltina [42]
3 years ago
10

Which set of points represents a function?

Mathematics
1 answer:
Aloiza [94]3 years ago
8 0
A is the answer because it does not repeat any of the x numbers
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Simplify 17^2 and 18.79^2.
Westkost [7]

17^2 is 289

18.79^2 is 353.0641

7 0
3 years ago
Evaluate this function at x = 2: f(x)= 3x + 20 *
trasher [3.6K]

Answer:

26

Step-by-step explanation:

Fitst,  you substitute

f(2) = 3(2) + 20

f(2) = 6 + 20

f(2) = 26

your answer is 26

5 0
3 years ago
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A grade has 81 girls and 72 boys. The grade is spilt into groups that have the same ratio of boys to girls as the whole grade. H
MariettaO [177]
There are 81 girls to every 72 boys in total, which can be represented by 81/72, which put into decimal form, is 1.125. If you then take the number of boys in the group, 16, and multiply it by this number (because the problem states that the ratio is constant) you can find the number of girls in the group.

16*1.125=18

So there are 18 girls in a group with 16 boys.

4 0
3 years ago
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1+2=<br> 3+4<br> 4=3<br> )+0<br> you dont have to answer just put a random letter or something
Alina [70]

Answer:

3

7

last one doesn't even make sense

3 0
2 years ago
Factorise 12 raised 2 minus 7x + 1​
professor190 [17]

Answer:

(4x - 1)(3x - 1).

Step-by-step explanation:

I think you mean 12x^2 - 7x + 1

= 12x^2 - 4x - 3x + 1

= 4x(3x - 1) -- 1(3x - 1)

= (4x - 1)(3x - 1).

6 0
3 years ago
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