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3 years ago

14

Tyrese can eat do you 246 pieces of candy in 4 hours and 45 minutes. What would be the approximate number of pieces of candy tha

t Tyrese can eat in one hour?

1 answer:

MrRa [10]3 years ago

8 0

almost 250 in almost 5 hours. 50 is a good estimate.

51.79 seems like the exact answer so 51 is safe to assume too, maybe 52 if he eats a bit faster in that hour.

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I need to know the seconds

laiz [17]

Answer:

t = 3 seconds

Step-by-step explanation:

Here h(t) = -16t^2 + 144.

When the quarter hits the ground, its height will be 0 feet. Letting h(t) = 0 results in -16t^2 + 144 = 0, or 16t^2 = 144, or

144

t^2 = ------------ = 36/4 = 9 seconds^2

16

Therefore, the time, t, required for the quarter to hit the ground is t = √9, or t = 3 seconds

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3 years ago

50 points and brainlyist

zubka84 [21]

Answer:

1. yes

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Step-by-step explanation:

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3 years ago

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Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equa

aleksley [76]

Answer: 0.5467

Step-by-step explanation:

We assume that the test scores for adults are normally distributed with

Mean : $\mu=100$

Standard deviation : $\sigma=20$

Sample size : = 50

Let x be the random variable that represents the IQ test scores for adults.

Z-score : $z=\dfrac{x-\mu}{\sigma}$

For x =85

$z=\dfrac{85-100}{20}\approx-0.75$

For x =115

$z=\dfrac{115-100}{20}\approx0.75$

By using standard normal distribution table , the probability the mean of the sample is between 95 and 105 :-

$P(85$

Hence, the probability that a randomly selected adult has an IQ between 85 and 115 =0.5467

7 0

3 years ago

Which number is equivalent to the fraction 15/7<br> A. 7/15<br> B. 2<br> C. 2 4/7<br> D. 2 1/7

nadezda [96]

Answer:D 2 1/7

Step-by-step explanation: you can put 7 into 15 two times and that gives you 2 holes and you then have 1/7 leftover therefore you have 2 1/7.

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3 years ago

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A gazebo is being built in the shape of a regular hexagon. One side of the hexagon measures 5 ft. How much wood must be purchase

Andrei [34K]

This question is open ended and doesn't have the necessary information.

hexa means 6, so I would assume 6x5 = 30 ft, but then you want to have a side open for a 'door', so subtracting 5 would make the answer 25ft.<span />

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3 years ago