3 years ago

HELPPP MEE ALGEBRAA IMAGE BELOW

Mathematics

2 answers:

Julli [10]3 years ago

4 0

Answer:

f(x)=0 or 8 I'm honestly not sure which but I know one of these is right

Step-by-step explanation:

subtract x^2-2x from both sides -x^2+8x=0

factor left side of the equation x(-x+8)=0

set factors equal to zero

x=0 or x=-x+8=0

x=0 or x=8

HOPE THIS HELPS!!! :)

marta [7]3 years ago

4 0

Answer:

Step-by-step explanation:

f(x)= x^2 - 2x

f(5) = 5^2 - 2(5) = 25 -10 = 15

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MakcuM [25]

Answer: C) 4.20

Explanation:

Multiply each value with its corresponding frequency:

1*450 = 450
10*35 = 350
50*10 = 500
100*4 = 400
400*1 = 400

Add up the products

450+350+500+400+400 = 2100

Then divide this over the total frequency (450+35+10+4+1 = 500)

So we get 2100/500 = 4.20 as the expected value.

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Answer:

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