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3 years ago

8

I need help Evaluate functions from their graph

1 answer:

andreev551 [17]3 years ago

6 0

Answer:

$g(7)=4$

Step-by-step explanation:

We look for where $x=7$ . The way you find the answer is first, find the point $(0, 7)$ . Draw a line straight up and down, and see where that line intersects the function. Those intersection points are your answer(there will always be only 1 for a function, but if a graph isn't a function, there might be more than 1).

Using this method here, we see that $g(7)$ intersects our line at $(7, 4)$ , so $g(7)=4$ .

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The Hoover Dam generates an average of about 11,506,000 kilowatt-hours of electricity per day.

OLEGan [10]

Answer:

161,084,000

Step-by-step explanation:

7 x 11,506,000 = 80,542,000

80,542,000 x 2 = 161,084,000

6 0

3 years ago

Is the statement below always,sometimes,or never true? Give at least two examples to support your reasoning. The LCM of two numb

Natali5045456 [20]

Answer:

True for Co-Prime Numbers
False for Non Co-Prime Numbers

Step-by-step explanation:

<u>STATEMENT:</u> The LCM of two numbers is the product of the two numbers.

This statement is not true except if the two numbers are co-prime numbers.

Two integers a and b are said to be co-prime if the only positive integer that divides both of them is 1.

<u>Example: </u>

Given the numbers 4 and 7, the only integer that divides them is 1, therefore they are co-prime numbers and their LCM is their product 28.

However, consider the number 4 and 8. 1,2 and 4 divides both numbers, they are not co-prime, Their LCM is 8 which is not the product of the numbers.

3 0

3 years ago

The Paralyzed Veterans of America is a philanthropic organization that relies on contributions. They send free mailing labels an

lions [1.4K]

Answer:

Confidence interval: (0.04649,0.04913)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 100,000

Number of people who donated, x = 4781

$\hat{p} = \dfrac{x}{n} = \dfrac{4781}{100000} = 0.04781
$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.04781
\pm 1.96(\sqrt{\dfrac{0.04781
(1-0.04781
)}{100000}})\\\\=0.04781
\pm 0.00132\\\\=(0.04649,0.04913)$

is the required 95% confidence interval for the true proportion of their entire mailing list who may donate.

3 0

3 years ago

Plz help brainiest to whoever right

nirvana33 [79]

Answer:

X=11

m<wxz= 23

Step-by-step explanation:

hope this helps branliest please

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2 years ago

Tara had $6,364 in her bank account. She deposited another $836 into the account. She then used all her money to buy 90 identica

Sveta_85 [38]

The answer is: $14,400

7 0

3 years ago

Read 2 more answers