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elena55 [62]
2 years ago
6

riya obtained the following score (out of 100) in a vocabulary test: 80,85,90,71,60,100. what is her mean score​

Mathematics
1 answer:
Greeley [361]2 years ago
3 0

Answer:

85

Step-by-step explanation:

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What is the inverse of the relation? <br> {(-4,1), (-4,3), (0,-8), (8,-9)}
BigorU [14]

The inverse relation would be each of these ordered pairs switched.

{(1, -4), (3, -4), (-8, 0), (-9, 8)}

This is because when you create an inverse equation, all of the inputs become outputs and all of the outputs become inputs. Therefore, the ordered pairs simply switch.

5 0
2 years ago
Which system of equations has the same solution as the system below?
worty [1.4K]

Answer: Both A, and C

Step-by-step explanation:

The answer to the first system of equations (2x+2y=16) would be

x=3 and y=5 ( 3x-y=4 )

Which means we have to find out which of the other equations has an x value of 3, and a y value of 5.

If A is 2x+2y=16, then x=3 and y=5

           6x-2y=8

If B is x+y=16, then x=5 and y=11

         3x-y=4

If C is 2x+2y=16, then x=3 and y=5

           6x-2y=8

If D is 6x+6y=48 , then x=-2 and y=10

            6x+2y=8

Both A and C are equal to the first system of equations, which means they are both correct answers.

8 0
3 years ago
(-5,-5); y = - 5x + 5
Phoenix [80]

Answer:

Step-by-step explanation:

5 0
3 years ago
Find the equation of the line.<br> Use exact numbers.<br> Y
Andrews [41]

Answer:

Y=-1/4X-6

Step-by-step explanation:

y=--1/4X-6

y =   \frac{ - 1}{4} x - 6

7 0
2 years ago
Read 2 more answers
Please help asap!<br><br> Use the difference quotient to find the derivative of f(x)= 4/x at x=3.
saveliy_v [14]
F (x)= 4/x

F(3)= 4/3

4/3 I think
4 0
3 years ago
Read 2 more answers
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