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-Dominant- [34]
3 years ago
12

What is 181x182 if you guess this right you get a follow and a thank you and you can get 30$

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer: c[p(g)] = 0.896g



Step-by-step explanation:



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The function f(x) = –4x2 represents the path of a whale as it surfaces for air and dives again. Select all the observations that
lara31 [8.8K]

Answer:

The correct option is;

E. The whale touches the surface at the maximum

Please find attached the whale motion diagram

Step-by-step explanation:

The given function is f(x) = -4·x²

Therefore, we have;

x,            f(x)

-5,           -100

-4,           -64

-3,           -36

-2,           -16

-1,              -4

0,                0

1,               -4

2,              -16

3,              -36

4,              -64

5,              -100

Which is the gives the singular maximum value for f(x) at x = 0, which is the surface of the water where the whale reaches for air

The errors in the other options are

A. The domain is always real

B. The range is (-∞, 0)

C. There is only one point where the whale touches the surface at x = 0

D. The values of f(x) initially rises, hen descends as the whale moves to the surface of the water and then descends.

3 0
3 years ago
A student has a container with a volume of 2.5 liters. She estimates the volume to be 2.7 liters. By
Zielflug [23.3K]

Answer:

12 percent

Step-by-step explanation:

2.5 ÷ 100 = 0.025

2.8 - 2.5 = 0.3

0.3 ÷ 0.025 = 12

hope it helps! please mark me brainliest

Merry Christmas good day ✌️

7 0
3 years ago
25x^2-16 how to factor
kotykmax [81]

Did you learn how to factor the difference of two squares ?

This thing is the difference of two squares.

The first term is the square of      5x .
The second term is the square of  4 .

When it's factored, it's

              (sum of the square roots) x (difference of the square roots) .

               25 x² - 16     =     (5x + 4) times (5x - 4) .

To check it, go ahead and FOIL that out, and you'll get    25x²-16 .

4 0
3 years ago
Ten years ago 53% of American families owned stocks or stock funds. Sample data collected by the Investment Company Institute in
stiks02 [169]

Answer:

a) The null and alternative hypothesis are:

H_0: \pi=0.53\\\\H_a:\pi

b) If 300 families were sampled, for a significance level of 5%, there is enough evidence to support the claim that a smaller proportion of American families own stocks or stock funds this year than 10 years ago (P-value = 0.001).

 

Step-by-step explanation:

The claim that we want to have evidence to support is that a smaller proportion of American families own stocks or stock funds this year than 10 years ago.

The hypothesis for this test should state:

- For the null hypothesis, that the population proportion is not significantly different from 53%.

H_0:\pi=0.53

- For the alternative hypothesis, that the population proportion is significantly less than 53%.

H_a: \pi

If 300 families are sampled, we can perform a hypothesis test for a proportion.

The claim is that a smaller proportion of American families own stocks or stock funds this year than 10 years ago.

Then, the null and alternative hypothesis are:

H_0: \pi=0.53\\\\H_a:\pi

The significance level is 0.05.

The sample has a size n=300.

The sample proportion is p=0.44.

The standard error of the proportion is:

\sigma_p=\sqrt{\dfrac{\pi(1-\pi)}{n}}=\sqrt{\dfrac{0.53*0.47}{300}}\\\\\\ \sigma_p=\sqrt{0.00083}=0.029

Then, we can calculate the z-statistic as:

z=\dfrac{p-\pi+0.5/n}{\sigma_p}=\dfrac{0.44-0.53+0.5/300}{0.029}=\dfrac{-0.088}{0.029}=-3.065

This test is a left-tailed test, so the P-value for this test is calculated as:

\text{P-value}=P(z

As the P-value (0.001) is smaller than the significance level (0.05), the effect is  significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that a smaller proportion of American families own stocks or stock funds this year than 10 years ago.

3 0
3 years ago
Plz help me I dont understand
serious [3.7K]

Answer:

\frac{4  -  8}{2 - 3} =  -   \frac{  4}{ 1} =  - 4

Step-by-step explanation:

you put the y's on the top and the x's on the bottom and subtract. what you get is your slope.

8 0
3 years ago
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