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Studentka2010 [4]
3 years ago
5

In one month ,Charlie read 814 pages in the same month his mom read4 times as many pages as Charlie and that was 143 pages more

than Charlie’s dad read.What was the total number of pages read by Charlie and his parents ?
Mathematics
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

7183

Step-by-step explanation:

First, you multiply 814 by 4 to get the # that his mom read, then ypu subtract 143 from thanswer to get the # that his dad read

You might be interested in
In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of e
steposvetlana [31]

Answer:

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

In a recent survey of 1002 people, 701 said that they voted in a recent presidential election.

Sample proportion

                          p = \frac{x}{n} = \frac{701}{1002} = 0.6996  

<u><em>Step(ii)</em></u>

The 95% confidence interval estimate of the proportion of people who say that they voted

(p^{-} - Z_{0.05} \sqrt{\frac{p(1-p)}{n} } , p^{-} + Z_{0.05} \sqrt{\frac{p(1-p)}{n} } )

(0.6996 - 1.96\sqrt{\frac{0.6996(1-0.6996)}{1002} } , 0.6996 + 1.96 \sqrt{\frac{0.6996(1-0.6996)}{1002} } )

(0.6996 - 1.96 X 0.01448 , 0.6996 + 1.96 X 0.01448)

(0.6996 - 0.02838 , 0.6996 + 0.02838)

(0.67122 , 0.72798)

<u><em>Final answer</em></u>:-

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

7 0
3 years ago
Quiz
s2008m [1.1K]

Answer:

Point And line

Step-by-step explanation:

Have a nice day

7 0
3 years ago
How is a line of best fit drawn? Describe how you decide where to put it.
Gnoma [55]

Answer:

A line of best fit is a straight line going through a trend on a scatter plot.

Step-by-step explanation:

A well drawn line of best fit is just a line going straight through the trend of dots to approximate an exact trend from a non-exact plot, so just draw a line that stays in the middle of the dots and you should do great.

Hope this helped!

3 0
3 years ago
In the figure below, find the value of cose:
MariettaO [177]

Answer:

D

Step-by-step explanation:

cosΘ = \frac{adjacent}{hypotenuse} = \frac{x}{r}

4 0
2 years ago
-3k+6=10+k solve with steps please
Artemon [7]

Answer:

k = -1

Step-by-step explanation:

-3k + 6 = 10 + k

combine similar terms:

-3k - k = 10 - 6

simplify:

-4k = 4

simplify:

k = 4 / -4

k = -1

4 0
3 years ago
Read 2 more answers
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