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Lelu [443]
3 years ago
8

Can someone please help me with these 4 questions?

Mathematics
1 answer:
Harman [31]3 years ago
7 0
16. Is 77=x
Sqrt 2x+15=13
169=2x+15
154=2x
77=x
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Rex is currently taking physics as one of his electives in school. His grade at the end of the year is determined by the average
frozen [14]

Answer:

The answer would be A)98.

I got this by taking the 3 test scores that were provided and adding them then subtracting that by 360 (90x4 - which would give you a 90 in the end) so I had 360 - 262 which equaled 98 and that would be the score needed to have a 90 in the end.

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2 years ago
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Diano4ka-milaya [45]
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2 years ago
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Please help!!!! <br><br> If f(1) = 2 and f(n+1) = f(n)^2 – 3 then find the value of f(3).
Black_prince [1.1K]

Answer:

The value of f(3) is -2.

Step-by-step explanation:

This is a recursive function. So

f(1) = 2

Now, we find f(2) in function of f(1). So

f(1+1) = f(1)^2 - 3

f(2) = f(1)^2 - 3 = 2^2 - 3 = 1

Now, with f(2), we can find the value of f(3).

f(2+1) = f(2)^2 - 3

f(3) = f(2)^2 - 3 = 1^2 - 3 = -2

The value of f(3) is -2.

4 0
2 years ago
14a+2=<br> What is this answer??
Bogdan [553]
16 a hope this helped
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2 years ago
Barbara can walk 3,200 meters in 24 meters. Mavis can walk 11,808 feet in 24 minutes. Who walks faster rate of speed? Explain th
grin007 [14]
I used a converter so i put 3200 meters into feet which was 10,498.69 and i rounded it to 10,498 and then i subtract 10,498 feet from 11,808 feet and got 1,310 feet as the answer
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3 years ago
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