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katrin2010 [14]
3 years ago
10

Find two positive numbers whose product is a maximum if the sum of the first number squared

Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0
I think I get 2 and 4, for that one.  I think you are supposed to make up an equation, such as xy ≤ x²
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Help me asap
MrMuchimi
You are expected to know (-x)*(-x) = x^2 = (x)*(x) for any value of x.

With this in mind, you expect to be looking for squares in answer to your question. You will find them.

1) y² = 49 . . . . . . . 4th selection
2) y² = 16 . . . . . . . 3rd selection
7 0
3 years ago
Sam kept track of the number of problems he was assigned for his math homework on the box plot.
yulyashka [42]

Answer:

Statement A is correct about Sam's box and whisker plot.

Step-by-step explanation:

We have been given a box plot and we are asked to find out true statement according to the box plot.

Since we know data represented by box plot is divided in four equal parts.

Upon looking at our box plot we can see that our data is symmetric. It's median is 15, which means half the math assignments have less than 15 problems and half of the math assignments have more than 15 problems.

Interquartile range represents 50% values of data and it is the difference between upper quartile and lower quartile. IQR is not affected by outliers.

IQR=Q_3-Q_1

Upon substituting given values from box plot we get,

IQR=19-11=8

From IQR we can conclude that half of the assignments contained 15 problems or fewer.Therefore, option A is the correct choice.


4 0
3 years ago
Read 2 more answers
A cylinder has a volume of 308 cubic inches and a height of 8 inches.What is the radius of the cylinder?Usr 3.14 for pie round t
timurjin [86]

Answer: 3.5 inches

Step-by-step explanation:

3 0
2 years ago
URGENT PLEASE HELP!!!
ycow [4]
X
x \frac{1}{6}  + 2x \frac{2}{3}
5 0
3 years ago
After the fraction x plus 1 all over 2 minus the fraction x plus 2 all over 3 x have been combined using the least common denomi
RoseWind [281]

If I've read this correctly, it looks like this.

\dfrac{(x + 1)}{2 - \dfrac{(x + 2)}{3x}}

If that is correct, then the first step is to put the top part of the denominator over 3x

\dfrac{(x + 1)}{\dfrac{6x - (x + 2)}{3x}} = \dfrac{(x + 1)}{\dfrac{5x -2}{3x}}

The next part is to flip a three tier fraction. I'm afraid I have to show what happens. My latex is not that strong.

What you get is

\dfrac{3x*(x + 1)}{(5x - 2)}

This is just about your final answer. You could write it as

\dfrac{3x^2 + 3x}{(5x - 2)}

6 0
3 years ago
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