2 years ago

What's the correct answers since i got em wrong

Mathematics

1 answer:

Reptile [31]2 years ago

4 0

Answer: its not loading

Step-by-step explanation:

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The larger leg of a right triangle is 2 feet longer than its smaller leg. The hypotenuse is 4 feet longer than the smaller leg.

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3 years ago

A person on a moving sidewalk travels 6 feet in 3 seconds. The moving sidewalk has a length of 80 feet. How long will it take to

tekilochka [14]

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40.5 seconds

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2 years ago

Simplify: -16b4 + (-18b4)

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-34b4

Step-by-step explanation:

Since the variables are the same b4, you just add the constants (-16 & -18).

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1 year ago

Simplify. -22-10) - 92

Rzqust [24]

Answer:

2944

Step-by-step explanation:

(-22-10)-92

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2944

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3 years ago

From an industrial area 70 companies were selected at random and 45 of them were panning for expansion next year. Find 95% confi

Lana71 [14]

Answer:

Confidence limit = [52.8%, 75.2%]

Step-by-step explanation:

$P=\frac{45}{70}= 0.64$

$(1-P)=1-0.64=0.36$

$n= 70$

$P$ ± $z$ $\sqrt{\frac{P(1-P)}{n} }$

where the value $z$ will be taken from the z-table for 95% confidence interval

1-0.95= 0.05/2= 0.025

0.95+0.025= 0.0975

From the z-table the value of $z$ corresponding to 0.0975 is 1.96

$0.64$ ± $1.96$ $\sqrt{\frac{0.64*0.36}{70} }$

$0.64$ ± $1.96$ $(0.057)$

$0.64$ ± $0.112$

$64%$ % ± $11.2$ %

so the confidence interval is

$64+11.2=75.2$ %

$64-11.2=52.8$ %

$[52.8, 75.2]$

8 0

3 years ago

What's the correct answers since i got em wrong​

What's the correct answers since i got em wrong