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Daniel [21]
3 years ago
5

10. Which table represents a function?

Mathematics
1 answer:
pochemuha3 years ago
4 0
C is the answer. (X) can’t be repeated
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can ppl pls look at my three recent questions on my page and help me?? ill mark brainliest and there is pictures!
andrew-mc [135]
We can’t look at recent questions
5 0
2 years ago
Read 2 more answers
For every 10 cans John collected for recycling, he earned 9 cents. After he collects 80 cans, how much money would he have earne
andre [41]

Answer:

72 cents

Step-by-step explanation:

10(1) = 9 cans so 80(8) = 72 cans.

5 0
3 years ago
-2(21/4)+-2(13/4) what is the answer
sergij07 [2.7K]

Answer:

-17

Step-by-step explanation:

-2(21/4)-2(13/4)

-(21/2)-26/4

-21/2-26/4

-42/4-26/4

-68/4

-17

4 0
3 years ago
Read 2 more answers
The line x = k intersects the graph of the parabola x = -2y^2 - 3y + 5 at exactly one point. What is k? Thank you! :)
bearhunter [10]

Answer:

49/8 is the value of k

Step-by-step explanation:

We have the system

x = -2y^2 - 3y + 5

x=k

We want to find k such that the system intersects once.

If we substitute the second into the first giving us k=-2y^2-3y+5 we should see we have a quadratic equation in terms of variable y.

This equation has one solution when it's discriminant is 0.

Let's first rewrite the equation in standard form.

Subtracting k on both sides gives

0=-2y^2-3y+5-k

The discriminant can be found by evaluating

b^2-4ac.

Upon comparing 0=-2y^2-3y+5-k to 0=ax^2+bx+c, we see that

a=-2, b=-3, and c=5-k.

So we want to solve the following equation for k:

(-3)^2-4(-2)(5-k)=0

9+8(5-k)=0

Distribute:

9+40-8k=0

49-8k=0

Add 8k on both sides:

49=8k

Divide both sides by 8"

49/8=k

6 0
3 years ago
A circle has a diameter of 24 ft. What is its circumference?
anastassius [24]

Answer:

The circumference would be 12*3.14/2=18.84

4 0
3 years ago
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