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3 years ago

How to do 8752-3269

Mathematics

2 answers:

frosja888 [35]3 years ago

8 0

Answer:

5,483

Step-by-step explanation:

DanielleElmas [232]3 years ago

4 0

Answer:

Put it in a calculator or put 8752 above 3269 when subtracting.

Step-by-step explanation:

8752

- 3269

-------------

5483

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500(x - 3) = 5000<br>can you help me

Ierofanga [76]

Answer:

x = 13

Step-by-step explanation:

500(x - 3) = 50000 ( divide both sides by 500 )

x - 3 = 10 ( add 3 to both sides )

x = 13

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3 years ago

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Write two decimals that are equivalent to 0.9

Maurinko [17]

0.90 and I think .9 is another I'm not sure but I tried

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3 years ago

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the distance between Nick and Sara's house is 546m. Nick can walk 1.3 m/sec. Using the formula d=rt, where d is distance, r is r

maks197457 [2]

D=rt and we are told d=546 and r=1.3m/s so

1.3t=546 divide both sides by 1.3

t=420 seconds so

420s(min/60s)=7 min

So it takes him 7 minutes to walk to Sara's house.

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3 years ago

A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. Find a

vekshin1

Answer: $(13.28\%,\ 18.72\%)$

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion : $\hat{p}=\dfrac{x}{n}=\dfrac{112}{700}=0.16$

z-value for 95% confidence interval : $z_c=1.960$

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

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

$=0.16\pm (1.96)\sqrt{\dfrac{0.16(1-0.16)}{700}}$

$=0.16\pm (1.96)(0.013856)\\\\\approx 0.16\pm0.0272\\\\ =(0.16-0.0272,\ 0.16+0.0272)=(0.1328,\ 0.1872)=(13.28\%,\ 18.72\%)$

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard : $(13.28\%,\ 18.72\%)$

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3 years ago

Freddy exercise 3.5 hours per day 4 days last week he burned 440 calories per hour while exercising how many calories did Freddi

zavuch27 [327]

Answer:

6,160 calories

Step-by-step explanation:

total hours of exercising = 3.5 x 4 = 14

burns 440 calories per each hour

total calories burned is 440 x 14

6 0

3 years ago

How to do 8752-3269​

How to do 8752-3269