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3 years ago

Which function has an average rate of change of -4 over the interval (-2, 2];

Mathematics

2 answers:

arlik [135]3 years ago

6 0

Answer:

x -2 -1 0 1 2

p(x) 12 5 0 -3 -4

Step-by-step explanation:

Roman55 [17]3 years ago

3 0

Answer: its A for u

Step-by-step explanation: i did the test trust

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maria [59]

Answer:

your right

Step-by-step explanation:

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3 years ago

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Chen wants to buy a pair of pants that regularly cost $54 . Today, the pants are on sale for 60% of the original price.

s2008m [1.1K]

Do a proportion
60/100= x/54

Cross multiply and divide
54 x 60= 3,240
3,240 divided by 100 is 32.4

Now subtract
54- 32.4= 21.6
Answer is $21.6

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3 years ago

How many of the scores from the group that studied in question eight are in one mean absolute deviation of the mean? Which score

n200080 [17]

Answer:

Step-by-step explanation:

Add all of the numbers and divide them by the number of numbers there are.

Hope this helped ·ω·

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3 years ago

I dont know how to solve this one

Olenka [21]

Answer:

The answer is the second option or B, you have to divide the top number by the bottom number to get a unit rate.

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3 years ago

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What is the solution(s) to the system of equations y = x² +4 and y = 2x + 4

bija089 [108]

Answer:

$(x,y) = (0,4)~ \text{and}~ (x,y) = (2,8)$

Step by step explanation:

$y = x^2 +4~~~~~~~~~...(i)\\\\y = 2x +4~~~~~~~~~...(ii)\\\\\text{From (i) and (ii):}\\\\~~~~~~x^2 +4 = 2x+4\\\\\implies x^2 = 2x\\\\\implies x^2 -2x = 0\\\\\implies x(x-2) = 0\\\\\implies x =0,~ x = 2$

$\text{Substitute x = 0 in eq (i):}\\\\y = 0^2 +4 = 4\\\\\text{Substitute x = 2 in eq (i):}\\\\y=2^2+4 = 4+4 = 8\\\\\text{Hence,}~ (x,y)= \{(2,8), (0,4)\}$

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2 years ago