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sveta [45]
2 years ago
10

Which graph shows a set of ordered pairs that represents a function?

Mathematics
1 answer:
bonufazy [111]2 years ago
4 0

There is a rule for functions:

One input(x-value) can only have one output(y-value).

If one input has more than one output, it is not a function.

(This doesn't apply to outputs, one output can have more than one input and still be a function)

This graph shows a set of ordered pairs that does NOT represent a function because there are two points on x = -3. The input -3 has more than one output of -4 and 4, so it is not a function.

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Mr. Al bought two boxes of candy with each box having 3 pieces inside of it. How many pieces candy did he have total?
Vladimir79 [104]

Answer:

6

Step-by-step explanation:

3 x 2 = 6

 OR

3 + 3 = 6

:)

4 0
3 years ago
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Each of 16 store cashiers worked an average of 21 hours per week and are paid $8.25 per hour. After the store manager hires 2 ad
Pachacha [2.7K]

Answer:

<u>$211.50</u>

Step-by-step explanation:

Initially:

21 hours per week at 8.25 per hours means:

21 * 8.25 = 173.25 dollars per person

16 person = 16 * 173.25 = $2772 (total)

2nd phase:

2 more cashier = 16 + 2 = 18 cashiers

Per hour 0.25 more, so 8.25 + 0.25 = $8.50 per hour

1.5 hrs less than 21, so 21 - 1.5 = 19.5 hours

Hence,

18 * 19.5 * 8.50 = $2983.50 (new total)

Change in money paid = 2983.50 - 2772 = $211.50

4 0
3 years ago
Mops
Ipatiy [6.2K]

Answer:

270

Step-by-step explanation:

For any arithmetic sequence

nth term is given by

nth term = a + (n-1)d

where a is first term,

d is common difference

d is given by nth term - (n-1)th term

sum of n terms given by

sum = n/2(2a + (n-1)d)

________________________________________________

Given arithmetic sequence

-2,0,2,4,6,8...

first term a = -2

lets take third term as nth term and second term as (n-1)th term to find common difference d.

d = 2 - 0 = 2

using a = -2 , d = 2, n = 18

thus, sum of first 18 terms = n/2(2a + (n-1)d)

                                           =18/2( 2*(-2) + (18-1) 2)

                                           =9 ( -4 + 34)

                                           =9 ( 30) = 270

Thus, sum of first 18 terms is 270.

7 0
2 years ago
Find the least common multiple​ (LCM) for 45,2
timurjin [86]

Answer:

90

Step-by-step explanation:

The LCM of 2 and 45 is 90.

4 0
3 years ago
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There are 4 angles shown.<br> Which of these are Acute,Right,Obtuse,and Straight angle?
pickupchik [31]
For your problem the second angle is the correct angle
6 0
3 years ago
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