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julsineya [31]
2 years ago
13

How do i simplify polynomials addition problems

Mathematics
1 answer:
kirill115 [55]2 years ago
7 0

Answer:

You have to combine the like terms

Step-by-step explanation:

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A human blinks 9,460,800 times per year. A dog blinks 1,861,440 times per year. About how many more times does a human blink tha
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The answer is D.

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In order to find how many times human blink more than the blink of a dig, you have to divide it :

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Assume that trees are subjected to different levels of carbon dioxide atmosphere with 7% of the trees in a minimal growth condit
taurus [48]

Answer: The mean and standard deviation are 567.2 and 89.88 resp.

Step-by-step explanation:

Since we have given that

For 370 parts per million = 7% = 0.07

For 440 parts per million = 10% = 0.10

For 550 parts per million = 49% = 0.49

For 670 parts per million = 34% = 0.34

So, Mean of the carbon dioxide atmosphere for these trees would be

E[x]=370\times 0.07+440\times 0.1+550\times 0.49+670\times 0.34=567.2

And

E[x^2]=370^2\times 0.07+440^2\times 0.1+550^2\times 0.49+670^2\times 0.34=329794

So, Variance would be

Var\ x=E[x^2]-E[x]^2=329794-567.2^2=8078.16

So, the standard deviation would be

\sigma=\sqrt{8078.16}=89.88

Hence, the mean and standard deviation are 567.2 and 89.88 resp.

3 0
3 years ago
The admission fee at a small to the school play is $1.50 for children (x) and $4.00 for adults (y). On opening night, the revenu
Alecsey [184]

Answer:

1.50x + 4.00y =5,050

Step-by-step explanation:


5 0
3 years ago
What does k equal if <br>485= 1/((k)(5.99x10^-3))
Verizon [17]
k\ne 0

485=\frac{1}{(k)(5.99*10^{-3})}\\\\ \frac{485}{1}= \frac{1}{0.00599k}\\\\ 485*0.00599k=1\\\\ k=\frac{1}{485*0.00599}\\\\k\approx 0.3442
7 0
2 years ago
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