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3 years ago

What is the average rate of change from x= -1 to x = 1 ?

Mathematics

2 answers:

irakobra [83]3 years ago

7 0

Answer:

his answer is correct

Step-by-step explanation:

took the test on flvs

Masteriza [31]3 years ago

3 0

Answer:

-2

Step-by-step explanation:

The average rate of change on an interval is ...

average rate of change = (amount of change)/(width of interval)

= (-3 -1)/(1 -(-1)) = -4/2 = -2

The average rate of change between (-1, 1) and (1, -3) is -2.

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3 years ago

What is the value of x in the solution to the system<br> x+y=10<br> x-y=4

ANEK [815]

Answer:

x = 7; y = 3

Step-by-step explanation:

I used the Trial and Error Method and found that x = 7 and y = 3

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6 0

2 years ago

The length,AB of the rectangular lot is 1 foot less than two times its width, BC. If the perimeter of the rectangular lot 394 fe

r-ruslan [8.4K]

Answer:

$AB=131\ ft$

Step-by-step explanation:

we know that

The perimeter of the rectangular lot is

$P=2(AB+BC)$ ----> equation A

where

AB is the length

BC is the width

we have

$AB=2BC-1$ ---> equation B

$P=394\ ft$ ----> equation C

substitute equation B and equation C in equation A

$394=2(2BC-1+BC)$

solve for BC

$394=2(3BC-1)$

$394=6BC-2$

$6BC=396$

$BC=66\ ft$

<em>Find the value of AB</em>

$AB=2BC-1$

$AB=2(66)-1$

$AB=131\ ft$

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3 years ago