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mel-nik [20]
3 years ago
9

Can u simplify 52/77

Mathematics
2 answers:
rewona [7]3 years ago
6 0
Nope, because yo can no longer find terms in common
dimaraw [331]3 years ago
3 0
You can't simplify the fraction as it's already in its simplest form.
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Find the greatest solution for x+y when x^2+y^2 = 7, x^3+y^3=10
damaskus [11]

Answer:

4

Step-by-step explanation:

set

f(x,y)=x+y\\

constrain:

g(x,y)=x^2+y^2 = 7\\h(x,y)=x^3+y^3=10

Partial derivatives:

f_{x}=1\\f_{y} =1 \\g_{x}=2x \\g_{y}=2y\\h_{x}=3x^2 \\h_{y}=3y^2

Lagrange multiplier:

grad(f)=a*grad(g)+b*grad(h)\\

\left[\begin{array}{ccc}1\\1\end{array}\right]=a\left[\begin{array}{ccc}2x\\2y\end{array}\right]+b\left[\begin{array}{ccc}3x^2\\3y^2\end{array}\right]

4 equations:

1=2ax+3bx^2\\1=2ay+3by^2\\x^2+y^2=7\\x^3+y^3=10

By solving:

a=4/9\\b=-2/27\\x+y=4

Second mathod:

Solve for x^2+y^2 = 7, x^3+y^3=10 first:

x=\frac{1}{2} -\frac{\sqrt{13}}{2} \ or \ y=\frac{1}{2} +\frac{\sqrt{13}}{2} \\x=\frac{1}{2} +\frac{\sqrt{13}}{2} \ or \ y=\frac{1}{2} -\frac{\sqrt{13}}{2} \\x+y=-5\ or\ 1 \or\ 4

The maximum is 4

6 0
3 years ago
In a hypothetical study, researchers found that the average donut sold by Krispy Kreme contains 260 calories, with a standard de
VladimirAG [237]

Answer:

Option C) 0.57

Step-by-step explanation:

We are given the following in the question:

Average, \mu_0 = 260 calories

Standard deviation, \sigma = 35 calories

\mu_1 = 240 calories.

We have to find the Cohen's d effective size.

Formula:

d = \bigg|\dfrac{\mu_1 - \mu_0}{\sigma}\bigg|\\\\d = \bigg|\dfrac{240-260}{35}\bigg|\\\\d = 0.57

Thus, the Cohen's d effective size is 0.57

Thus, the answer is

Option C) 0.57

4 0
3 years ago
Leila stopped at the coffee shop on her way to work. She ordered 4 bagels, 2 yogurts, and 2 orange juice. Bagels were $0.69 each
ASHA 777 [7]

Answer:

the total cost is $9.24

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
(X^3-7x+4)+(2x+x-10)
lana66690 [7]
The answer is x^3-4x-6.
4 0
3 years ago
how do you write this in number form six million, four hundred fifty-two thousand, five hundred sixty-six
kiruha [24]

Answer:

6,452,566

Step-by-step explanation:

5 0
3 years ago
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