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Nataly_w [17]
3 years ago
7

Can someone please help me with #3? :)

Mathematics
1 answer:
mote1985 [20]3 years ago
3 0

i think the answer will be 9.6

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Solve. (x-4)²=5<br> PLEASE HELP
goldenfox [79]

Answer:

A

Step-by-step explanation:

(x-4)^2=5

(x-4)(x-4)=5

x(x-4)-4(x-4)=5

distribute

x^2-4x-4x+16=5

combine like terms

x^2-8x+16=5

move terms to the left and combine

x^2-8x+11=0

use the quadratic formula and simplify

x=-(-8)+/-2 to the square roots of 5 over 2

separate and solve

x=4+ square root of 5

x=4- square root of 5

ANSWER: x=4+/- square root of 5

8 0
2 years ago
I don't how I would do this exactly..
Morgarella [4.7K]
<span>The sum is 10 times 11</span>
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3 years ago
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arsen [322]

Answer:

B (12)

Step-by-step explanation:

The expression can be written as the following:

(2n)(n-1)

Let n=3

(2*3)(3-1)=(6)(2)=12

So the answer is B (12).

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Nicole and her grandmother lives in the same neighborhood,but a forest of trees separate their house.if you left Nicole's house
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