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Free_Kalibri [48]
3 years ago
14

PLS HELP!!!!!!!!!!!!!

Mathematics
1 answer:
stepladder [879]3 years ago
6 0
First, multiply the top equation by 2 and bottom by -3.
60x+60y=900
-60x-75y=-1035
————————
-15y=-135
—————-
-15=-15
y=9

So the answer should be 9.
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PLEASE HELP ME ON THIS!!!!
exis [7]
The last two choices are appropriate.

Both give you f(1) = 7, f(2) = 9.50, f(3) = 12.00, ... as they should.
7 0
4 years ago
Which set of ordered pairs does not represent a function?
Vesna [10]

Answer:

C

Step-by-step explanation:

In a function, each domain has one range. But a range can have many domains.

Think about it like this:

Patty is eating dinner

Patty is swimming

<em>Both can't happen at the same time. </em>

<em>But:</em>

Patty is eating dinner

Leo is eating dinner

C has two domains of -3, each having different ranges.

Hope that helps, tell me if you need further info. =)

7 0
3 years ago
Read 2 more answers
Find the measure of the exterior angle​
STALIN [3.7K]

Answer:

The answer to your question is a ) 127°    b) 80°

Step-by-step explanation:

a) We have to consider that the sum of the interior angles in a triangle equals 180°.

Then,

          89 + (5x - 7) + [180 - (14x + 1)] = 180

Simplification

          89 + 5x - 7 + 180 - 14x - 1 = 180

          5x - 14x = 180 - 89 + 7 - 180 + 1

                 - 9x = -81

                     x = -81 / -9

                     x = 9

Exterior angle = 14(9) + 1

                       = 127°  

b) The process is the same that the previous problem

          30 + (4x + 2) + [180 - (8 + 6x)] = 180

Simplification

          30 + 4x + 2 + 180 - 8 - 6x = 180

          4x - 6x = 180' - 30 - 2 + 8 - 180

               -2x = -24

                  x = -24/-2

                  x = 12

The measure of the external angle is = 8 + 6(12)

                                                              = 8 + 72

                                                              = 80°

4 0
3 years ago
Which of the following ordered pairs is not in the solution set of y &lt; 2x − 5? Question 27 options: (4, 3) (5, 0) (0, −7) (6,
34kurt

Answer:

(4,3)

Step-by-step explanation:

If the solution would've been written has y ≤ 2x - 5, (4,3) would've been a solution

7 0
3 years ago
Help, please I just can't.
IceJOKER [234]
Thousandths should be 3
7 0
4 years ago
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