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pychu [463]
2 years ago
12

PLease help me in this work!!!

Mathematics
2 answers:
Zinaida [17]2 years ago
8 0

Answer:

the first one is the expression

Sveta_85 [38]2 years ago
6 0
The second one
x-3x+4
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The equation below can be used to find the length of a foot or forearm when you know one or the other. (length of the foot) = 0.
3241004551 [841]
This is child's play. 

So, basically:
Y=Length of foot
X= Length of your forearm. 
This is simple. Your equation is Y=0.860x + 3.302
So, if you have a forearm (x) that is 17 inches long, then plug in x as 17. This leaves you to evaluate for Y.
New equation: Y=0.860(17) +3.302
Work it out, you get: Y=14.62 + 3.302
Work that out, you get: Y= 17.922 inches long. 
And of course, Y is the foot.

So, your answer: If the forearm is 17 inches long, then the foot is 17.922 inches long. Simple.

So, part 2:
Rate of change. Well, you need slope then, because that's the same thing.
Y=mx+b, Where m=slope
Your answer turns to be 0.860 inches per length of arm, for rate of change.

Skipping the data, as that's only something you'd know.

Yes, it is indeed a function. There can't be any exponents greater than 1 on the placeholder, and it's obviously not a straight line if you plug it in. 

So yeah, it's a function.

~Hope this helps m8







5 0
3 years ago
Read 2 more answers
Eastville has a population of 32,000 and is gaining 500 people per year. Lakeside has a population of 45,000 and is losing 1,000
Semenov [28]

Answer:

  in about 8 2/3 years

Step-by-step explanation:

The population difference of 13000 people is being erased at the rate of 1500 people per year. It will be gone in ...

  13000/1500 = 26/3 = 8 2/3 . . . . years

The population of Lakeside will be 45000 -8667 = 36333 at that time. Eastside's population will be the same.

Eastville and Lakeside will both have populations of 36,333 in 8 2/3 years.

8 0
3 years ago
How to change a number ten by rounding
Llana [10]
10 is already rounded
4 0
3 years ago
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Graph g(x) = –2x – 3
Luba_88 [7]

Answer:

The slope would be -2 with a y-intercept of (0, -3).

I hope this helped to answer your question.

4 0
2 years ago
Identify the factors of x2 + 16y2.
forsale [732]

Answer:

that expression is not factorable with rational numbers

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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