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2 years ago

WILL GIVE BRAINLIEST

Mathematics

2 answers:

viva [34]2 years ago

7 0

Answer:

A, C, D

Step-by-step explanation:

A because most of the dots are clustered between 60 and 70.

Not B because 40 isn't even on the graph.

C because you can clearly see the outlier on that point.

D because there's no connection to height and points scored. If you wanted to connect it to height, it be better to use a different type of graph. The info within the graph doesn't have firm data to prove the correlation.

Hope that helps and don't be afraid to reach out if you ever need more help!

Elis [28]2 years ago

3 0

Answer: The answer is A, and D because it shows how many player heights are and also you can tell there are some weak positive between the height and the points

Step-by-step explanation: HOPE THIS HELP :)

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Evaluate the geometric series

JulijaS [17]

Answer:

Option B is correct.

sum of given geometric series is, 255

Step-by-step explanation:

Evaluate the geometric series: $\sum_{i=1}^{8} 2^{i-1}$

we can write this as:

$1+2+4+.......+128$

Formula for the sum of the geometric series:

$S_n = \frac{a(r^n-1)}{r-1}$ for r > 1

where

a is the first term

n is the number of terms

r is the common ratio

In the given series:

common ratio (r) = 2>1, n = 8 and first term(a) = 1

Since,

$\frac{2}{1} = 2$

$\frac{4}{2} = 2$ and so on...

then substitute the given values in [1] we have;

$S_n = \frac{1((2)^8-1)}{2-1}$

$S_n = 256-1 = 255$

Therefore, the sum of given geometric series is, 255

6 0

3 years ago

Read 2 more answers

Periodically a bottling company gets complaints that their bottles are not holding enough liquid. To test this claim the bottlin

kompoz [17]

Answer:

The null hypothesis was not rejected at 1% and 5% level of significance, but was rejected at 10% level of significance.

Step-by-step explanation:

The complaints made by the customers of a bottling company is that their bottles are not holding enough liquid.

The company wants to test the claim.

Let the mean amount of liquid that the bottles are said to hold be, μ₀.

The hypothesis for this test can be defined as follows:

H₀: The mean amount of liquid that the bottles can hold is μ₀, i.e. μ = μ₀.

Hₐ: The mean amount of liquid that the bottles can hold is less than μ₀, i.e. μ < μ₀.

The p-value of the test is, p = 0.054.

Decision rule:

The null hypothesis will be rejected if the p-value of the test is less than the significance level. And vice-versa.

Assume that the significance level of the test is, α = 0.01.

The p-value = 0.054 > α = 0.01.

The null hypothesis was failed to be rejected at 1% level of

significance. Concluding that the mean amount of liquid that the

bottles can hold is μ₀.

Assume that the significance level of the test is, α = 0.05.

The p-value = 0.054 > α = 0.05.

The null hypothesis was failed to be rejected at 5% level of

significance. Concluding that the mean amount of liquid that the

bottles can hold is μ₀.

Assume that the significance level of the test is, α = 0.10.

The p-value = 0.054 < α = 0.10.

The null hypothesis will be rejected at 10% level of

significance. Concluding that the mean amount of liquid that the

bottles can hold is less than μ₀.

5 0

3 years ago

Infinite over E n=1 4(0.5)^n-1

yan [13]

Answer:

S = 8

Step-by-step explanation:

An infinite geometric series is defined as limit of partial sum of geometric sequences. Therefore, to find the infinite sum, we have to find the partial sum first then input limit approaches infinity.

However, fortunately, the infinite geometric series has already set up for you. It’s got the formula for itself which is:

$\displaystyle \large{\lim_{n\to \infty} S_n = \dfrac{a_1}{1-r}}$

We can also write in summation notation rather S-term as:

$\displaystyle \large{\sum_{n=1}^\infty a_1r^{n-1} = \dfrac{a_1}{1-r}}$

Keep in mind that these only work for when |r| < 1 or else it will diverge.

Also, how fortunately, the given summation fits the formula pattern so we do not have to do anything but simply apply the formula in.

$\displaystyle \large{\sum_{n=1}^\infty 4(0.5)^{n-1} = \dfrac{4}{1-0.5}}\\\\\displaystyle \large{\sum_{n=1}^\infty 4(0.5)^{n-1} = \dfrac{4}{0.5}}\\\\\displaystyle \large{\sum_{n=1}^\infty 4(0.5)^{n-1} = 8}$

Therefore, the sum will converge to 8.

Please let me know if you have any questions!

6 0

2 years ago

Number 23 I have no clue

kipiarov [429]

B. Write an equation

7 0

3 years ago

If f(x) = 5x + 40, what is f(x) when x = –5?

kakasveta [241]

First note that f(x) means the same thing as y. To solve for f(x) or y you need to plug in -5 for x and solve using the rules of PEMDAS

5(-5) + 40

-25 + 40

When x is -5 then y is 15

Hope this helped!

~Just a girl in love with Shawn Mendes

5 0

3 years ago