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storchak [24]
3 years ago
15

What do I have to do

Mathematics
1 answer:
kondaur [170]3 years ago
8 0

Answer:

if you put 4.25 on a number line then the OPPOSITE of that would be going across the 0 on the number line so the answer -4.25

Step-by-step explanation:

if the number is negative its opposite is that number but positive and the same thing if the number is positive its opposite is a negative

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Please Help!!
Mrrafil [7]
Harry can rake the leaves in the yard 8 hours faster than his little brother Jimmy can. 
<span>If they join to work together they can complete the job in 3 hours. </span>
<span>1/x + 1/(x - 8) = 1/3 </span>
<span>3(x - 8) + 3x = x(x - 8) </span>
<span>x^2 - 14x + 24 = 0 </span>
<span>(x - 12)(x - 2) = 0 </span>
<span>Solutions: </span>
<span>x = 2 </span>
<span>x = 12 </span>
<span>Jimmy can complete the job on his own in 12 hours.</span>
6 0
3 years ago
The answer that is blue isn’t really the answer i chose
babunello [35]
I thought it was the one above it but I think you are right tho

4 0
3 years ago
How to solve 5/2 x X=1​
IgorLugansk [536]
2.5 is the answer u welcome
7 0
3 years ago
What is the maximum number of possible extreme values for the function,
Liula [17]

Answer:

<h2>(0.3, -18.45).</h2>

Step-by-step explanation:

We need to recur to the extreme value theorem, which states: "If a function is continuous on a closed interval, then that function has a maximum and a minimum inside that interval".

Basically, as the theorem states, if a dunction is continuous, then it has maxium or minium.

In this case, we have a quadratic function, which is a parabola. An important characteristic of parabolas is that they have a maximum or a minium, but they don't have both. When the quadratic term of the fuction is positive, then it has a minium at its vertex. When the quadratic term of the function is negative, then it has a maximum at its vertex.

So, the given function is f(x)=x^{2} +4x^{2} -3x-18=5x^{2} -3x-18, where the quadratic term is positive, so the functions has a minimum at V(h,k), where h=-\frac{b}{2a} and k=f(h), let's find that point

<h3>h=-\frac{-3}{2(5)} =\frac{3}{10} =0.3</h3><h3>k=f(0.3)=5(0.3)^{2} -3(0.3)-18=0.45-0.9-18=-18.45</h3><h3 /><h3>Therefore, the minium of the function is at (0.3, -18.45).</h3>
8 0
3 years ago
How do you write 350% as a fraction or mixed number?
Natasha2012 [34]

Answer:

3 50/100 or 3 1/2

Step-by-step explanation:

Each 100% is one, so that would equal 3. There would be 50% left, and that would be 50/100 or 1/2.

7 0
3 years ago
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