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2 years ago

HELP I NEED HELP ASAP

Mathematics

1 answer:

RUDIKE [14]2 years ago

5 0

Answer:

basically you add male (x) and female (y) together and get 127, there are 23 more male athletes (x) so to get the same amount of make and female you need to add 23 to female (y) so the answer will be c.

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The rate of growth of profit (in millions) from an invention is approximated by Upper P prime (x )equals x e Superscript negati

Alecsey [184]

Answer:

The function is $P(x) = \frac{1}{2} e^{-x^2} +0.016$

Step-by-step explanation:

From the question we are told that

The rate of growth is $P'(x) = xe^{x} - x^2$

The total profit is $P(2) =$ $25,000

The time taken to make the profit is $x = 2 \ years$

From the question

$P'(x) = xe^{-x^2}$ is the rate of growth

Now here x represent the time taken

Now the total profit is mathematically represented as

$P(x) = \int\limits {P'(x)} \, = \int\limits {xe^{-x^2}} \,$

So using substitution method

We have that

$u = - x^2$

$du = 2xdx$

$p(x) = \int\limits {\frac{1}{2} e^{-u}} \, du$

$p(x) = {\frac{1}{2} [ e^{-u}} +c ]$

$p(x) = {\frac{1}{2} e^{-x^2}} + \frac{1}{2} c$ recall $u = - x^2$ and let $\frac{1}{2} c = Z$

At x = 2 years

$P(x) =$ $25,000

Since the profit rate is in million

$P(x) =$ $25,000 = $\frac{25000}{1000000} =$ $0.025 millon dollars

$0.025 = {\frac{1}{2} e^{-2^2}} + Z$

=> $Z = 0.025 - {\frac{1}{2} e^{-2^2}}$

$Z = 0.016$

So the profit function becomes

$P(x) = \frac{1}{2} e^{-x^2} +0.016$

5 0

2 years ago

PLEASE HELP!! SMART PEOPLE IM BEGGING! hi can you please help me, I will mark u brainliest:)

Dimas [21]

Please mark Brainliest

The answer is 17. 72

Step by step

0.02x^2 = 6.28

x^2 = 6.28 / 0.02

x^2 = 314

x= square root of 314

x = 17. 72

5 0

2 years ago

Read 2 more answers

Pls write and send thank you

Sati [7]

Answer:

Step-by-step explanation:

first it is about to delete your question and A. is 46 B. is 37

4 0

3 years ago

X^2+11x+30 ?????????????????????

kari74 [83]

Solution:

X^2+11x+30

=X^2+(6+5)x+30

=X^2+6x+5x+30

=X(x+6)+5(x+6)

=(X+6)(x+5).

So,the answer is (x+6)(x+5).

4 0

2 years ago

Plz solve this question and pls show your work

STALIN [3.7K]

z = 10

14 = 64 - 5z

Subtract

-50 = -5z

Divide

10 = z

8 0

3 years ago

Read 2 more answers