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zhenek [66]
3 years ago
13

Which sets of numbers are closed under addition?

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0
All close under addition therefore all are right
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PLEASE HELP ITS MATH THANK YOUUUU
viva [34]

Answer:

44 millimeters

Step-by-step explanation:

Because 99 meters divided by 9 = 11.

So, I multiplied 4 x 11 to get 44 millimeters.

Mark as brainliest PLZ. Thank you! It will help a lot!

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8 0
2 years ago
Read 2 more answers
4x2 + 4x - 1, evaluate and fully simplify each of the - For the function f(0) following f(s + h) f(x + h) - f(5) h 10
Andrew [12]

Given the function f(x);

f(x)=-4x^2+4x-1

Evaluating the function f(x+h);

\begin{gathered} f(x+h)=-4(x+h)^2+4(x+h)-1 \\ f(x+h)=-4(x^2+2xh+h^2)^{}+4(x+h)-1 \\ f(x+h)=-4x^2-4h^2-8xh^{}+4x+4h-1 \end{gathered}

So;

f(x+h)=-4x^2-4h^2-8xh^{}+4x+4h-1

Evaluating the second function;

\begin{gathered} \frac{f(x+h)-f(x)}{h}=\frac{-4x^2-4h^2-8xh^{}+4x+4h-1-(-4x^2+4x-1)}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4x^2-4h^2-8xh^{}+4x+4h-1+4x^2-4x+1}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4x^2+4x^2-4h^2-8xh^{}+4x-4x+4h-1+1}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4h^2-8xh^{}+4h}{h} \end{gathered}

simplifying further;

\begin{gathered} \frac{f(x+h)-f(x)}{h}=\frac{-4h^2-8xh^{}+4h}{h}=-4h-8x+4 \\ \frac{f(x+h)-f(x)}{h}=-4h-8x+4 \end{gathered}

Therefore, we have;

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7 0
1 year ago
What are the solutions of t+3>-1? Graph the solutions.
olya-2409 [2.1K]
T is more than -4. Remember that -4 is not included.

4 0
3 years ago
How do I get this answer and what is it
Sedaia [141]
The degree is 5, so the largest exponent of the polynomial is 5. This means the answer is either A or B. Choice C is ruled out because the degree here is 7. Choice D is ruled out because the degree here is 6

For choice A, the leading coefficient is 6. This is the number to the left of the variable term of the largest exponent. So we can rule out choice A (because the leading coefficient should be 7)

Choice B is the answer. It has a degree of 5 and a leading coefficient of 7 and also a constant term of 6. The constant term is simply the term without any variables attached to it.
7 0
3 years ago
I REALLY NEED SOME HELP! PLEASE GUYS I WILL DO ANYTHING! BRAINLIEST!
denis-greek [22]
I’m pretty sure the answer is d or c
5 0
3 years ago
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