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inna [77]
3 years ago
12

8th out of 10 questions 2

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Hi!

Let's divide to solve this.

17.5 ÷ 8.75 = 2

The answer is 2 rooms.

Hope this helps! :)

-Peredhel

zysi [14]3 years ago
3 0

2 it’s rooms per hour, just divide

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What are the intercepts of y = x + 5 (Remember that intercepts mean both x-intercept & y-intercept.) a) (5, 0) & ( 0, 5)
DaniilM [7]

Greetings from Brasil...

We have to remember 2 details:

→ When X = 0, the function intersects the Y axis

→ When Y = 0, the function intersects the X axis

So

1: X = 0

Y = X + 5

Y = 0 + 5

Y = 5

X = 0 and Y = 5 ⇔ (0; 5)

2: Y = 0

Y = X + 5

0 = X + 5

X = - 5

Y = 0 and X = - 5 ⇔ (- 5; 0)

Then the point at which the graph intersects the X and Y axis will be

(0; 5) and (- 5; 0)

7 0
3 years ago
Q 4.6: In a survey of 1,000 adults living in a big city, 540 participants said that they prefer to get news from the Internet, 3
Liono4ka [1.6K]

Answer:

<h2>Option E is correct.</h2>

Step-by-step explanation:

In a survey of 1,000 adults living in a big city, 540 participants said that they prefer to get news from the Internet, 330 prefer to watch news on TV, and 130 are rarely interested in the current news. We want to test if the proportion of people getting the news from the Internet is more than 50%. By generating the randomization distribution, we find that the p-value is 0.0057. Choose the correct statement interpreting the p-value.

A.If the proportion of people getting the news from the Internet is not equal to 0.5 then there is a 0.0057 chance of seeing the sample proportion as extreme as the survey results.

B. If the proportion of people getting the news from the Internet is not equal to 0.54 then there is a 0.0057 chance of seeing the sample proportion as extreme as the survey results.

C. If the proportion of people getting the news from the Internet is equal to 0.54 then there is a 0.0057 chance of seeing the sample proportion less extreme compared to the survey results. р

D. If the proportion of people getting the news from the Internet is equal to 0.54 then there is a 0.0057 chance of seeing the sample proportion as extreme as the survey results.

E. If the proportion of people getting the news from the Internet is equal to 0.5 then there is a 0.0057 chance of seeing the sample proportion as extreme as the survey results.

The correct interpretation of P value will be:

if the proportion of people getting the news from internet is equal to 0.5 then there is a 0.0057 chance of seeing the sample proportion as extreme as survey results.

<h2>Option E is correct.</h2>
4 0
3 years ago
Please help with this question thank you very much.
DochEvi [55]

Answer:

ln 3

Step-by-step explanation:

3 ln 3 - ln 9

We can rewrite 9 as 3^2

3 ln 3 - ln 3^2

We know lnx^a = aln x

3 ln 3 - 2 ln 3

ln 3

6 0
3 years ago
Kim got a "40" in a class and I make a 70 on a test. How much does the grade goes up?
KATRIN_1 [288]

Answer:

30%

Step-by-step explanation:

7 0
3 years ago
Without the use of a calculator, calculate 77^2−23^2.
stepan [7]

Answer:

5400

Step-by-step explanation:

4 0
3 years ago
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