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Gre4nikov [31]
3 years ago
12

9. Which of the following relations is a function?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0
The answer is D because the first number doesn’t reapeat
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In a game, the probability that a spinner will land on a 2 is 1/3. How many times would you expect to land on a 2 if you spin th
defon

Answer:

2 times

Step-by-step explanation:

The probability of 1/3 means that the spinner will land on a 2, 1/3 of the time:

We can predict how many times it will land on a 2 by finding 1/3 of 6:

6/3

= 2

So, the spinner will land on a 2, two times

7 0
3 years ago
Given that D is he midpoint of AB and K is the midpoint of BC, which statement must be true?
Reil [10]
I can't understand your question do you have any number there?
3 0
3 years ago
A clerical worker takes 2 times as long to finish a job as it does an executive secretary. Working​ together, it takes them 6 hr
malfutka [58]

Answer:

<h2>18 hours</h2>

Step-by-step explanation:

This problem is on Combined work rate

Step one:

given data

let the secretary take x hours to finish one job

so the clerical worker will take 2x hours to finish one job.

Both of them working together will take 6 hours

Step two:

The combined work formula is

T/A+T/B=1

Where T= time working together

A= time the Clerical worker spent alone

B= time the secretary spent alone

substituting we have

6/2x+6/x=1

solve for x

6+12/2x=1

18/2x=1

9/x=1

cross multiply

x=9 hours

the clerical worker take 2x hours

2*9= 18 hours

3 0
3 years ago
Identify ROTATIONS
vaieri [72.5K]

Answer:

blue

Step-by-step explanation:

270° moves by 3 quadrants

7 0
3 years ago
Read 2 more answers
I need help with this function <br> h(x)=4x-2; find h(x+2)
shepuryov [24]

(x+2)= 4x+2

-x          -x

2= 3x+2

-2       -2

0=3x

x=0



7 0
4 years ago
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