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bearhunter [10]

3 years ago

6

Which of the following relations is a function? {(–7, 6), (6, –7), (–7, 9), (10, 3)} {(5, –4), (–4, 5), (–5, 4), (4, –5)} {(2, –

3), (–3, 2), (2, 3), (–2, 3)} {(8, –5), (–5, 8), (–5, –8), (–8, 5)}

1 answer:

Tatiana [17]3 years ago

5 0

The second one is correct

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Which of the following numbers are square numbers?

Zina [86]

Answer:

9

Step-by-step explanation:

9 is the only number that has a whole number square root, 3.

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What is the mean of -71,-62,-88-38-89,15,-76

olga nikolaevna [1]

71
62
88
38
89
76
-15 (i'm inversing everything to make it simple)
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3 years ago

A bag contains 6 black marbles and 4 white marbles. Sally takes out a black marble and does not put it back. What is the probabi

Neko [114]

Answer:

$\frac{5}{9}$

Step-by-step explanation:

$Total\ marbles=10\\\\Black=6\\\\White=4$

After removing one black marble:

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3 years ago

Simplify (x-4) (4^2+x-6)

julsineya [31]

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Step-by-step explanation:

8 0

2 years ago

LONG WORD PROBLEM I KNOW! PLEASE ILL GIVE THANKS BRAINLIEST AND POINTS FOR THIS ANSWER! PLEASE!

11Alexandr11 [23.1K]

Answer:
5X + 8Y >= 300; intersection at (-20, 50)
Step-by-step explanation:
let t = work hours
0 < t < 30
X = time lawn mowing
Y = time babysitting.
X + Y < 30
5X + 8Y >= 300
We could solve...
X < 30 - Y
5(30 - Y) + 8Y >=300
150 - 5Y + 8Y >= 300
3Y >=150
Y >=50
then X < -20
intersection at (-20, 50)

5 0

3 years ago