2 years ago

Sean has 36 ft of fence to put around a rectangular flower bed how long and how wide will the

Mathematics

1 answer:

Zarrin [17]2 years ago

3 0

Length/width will be 9ft

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Write 2.4 x 10 to the power of -3 in standard form

fomenos

Answer:

Step-by-step explanation:

$2.4 \times10^{-3}=\frac{24}{10} \times \frac{1}{10^3} =\frac{24}{10^4} =\frac{24}{10000} =0.0024$

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3 years ago

In a random sample of 205 people, 149 said that they watched educational television. Find the 95% confidence interval of the tru

tensa zangetsu [6.8K]

Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.

Step-by-step explanation:

$\frac{154}{200} =0.77$

$1-0.77=0.23$

$\sqrt{\frac{(0.77)(0.23)}{200} }$ =0.049

0.77±0.049< 0.819, 0.721

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago

Ab=6cm<br> Ac=12cm<br> Calculate the length of CD

KatRina [158]

Answer:

12.7 cm

Step-by-step explanation:

ABC

12² = 6² + BC²

12² - 6² = BC²

144 - 36 = 108

CB² = 108

√108 = 10.392

CB = 10.392

CBD

Sin (55°) = CB / CD

0.81915 = √108 / CD

CD = 10.392 / 0.81915

CD = 12.686

CD = 12.7cm

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2 years ago

Help meee will mark brainliest

dsp73

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I believe it is B -4/5 I am sorry if I am wrong. If I am right hope this helps and please mark brainlist.

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2 years ago