2 years ago

9

Mathematics

1 answer:

Zepler [3.9K]2 years ago

7 0

Answer:

9/28.26

Step-by-step explanation:

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Answer:

I will but there are no problems/questions shown

Step-by-step explanation:

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Within 11 years, the age of Peter will be half the square of the age he was 13 years ago. Calculate the current age of Peter. Re

OLga [1]

Answer:

ctto JBarnum

Step-by-step explanation:

P+11=(1/2)(P-13)^2

P+11=(1/2)(P^2-26p+169)

2(P+11)=(1/2)(2)(P^2-26p+169)

2P+22=P^2-26p+169

0=P^2-28p+147 ( -7 and -21)

(P-7)(P-21)=0

P=7,21 (cant be 7 as 13 years from 7 is negative so peter is 21)

checking:

21+11=32

32=(1/2)(21-13)^2

32=(1/2)(8)^2

32=(1/2)64

32=32

correct

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Will mark Brainlest!! <br>Help Please!<br>(1). find the domain and range of the following <br>

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Answer:

Step-by-step explanation:

You have the domain. It is given as -1≤x≤1

Now all you have to do is figure out the range which is the y value. At first glance I think it might be 3, but that does not look very logical. I'll post this much of it now and be back in under an hour with a more complete answer.

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I've included a graph so you can see how this all works.

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