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2 years ago

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Johnny rocket is on a cliff and is all set to launch his rocket . He wanted to track its flight on the computer. The equation to

model the height (in feet) of the rocket per second can be shown by: f(t)=-t^2+200t+1500. What was the starting height of the rocket

1 answer:

BlackZzzverrR [31]2 years ago

6 0

5000 I think it is that

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Let x1, x2, ...x64 be a random sample from a distribution with mean 64 and standard deviation 4. then mean and the standard devi

VARVARA [1.3K]

The mean of sample means is the same as the mean of the underlying distribution.

The standard deviation of sample means is the original distribution sample mean divided by the square root of the number of samples.

Mean of sample mean distribution: 64

SD of sample mean distribution: 4/√64 = 1/2

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3 years ago

What is y+8=-5(x+3) in standard form

grin007 [14]

Answer:

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Step-by-step explanation:

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2 years ago

I just need to know how to do these questions in the picture above^?

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3 years ago

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She received 12 calls from her son and 30 calls in total.

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2 years ago

Mr Davis is creating a spice mixture for a recipe.2/5 of the spice mixture was oregano 1/3 of the spice mixture was basil the re

attashe74 [19]

Answer: $\frac{11}{15}$

Step-by-step explanation:

You know that:

- 2/5 of the spice mixture was oregano.

- 1/3 of the spice mixture was basil.

Then, to find the fraction of the total amount of spice mixture that was oregano and basil, you must add both fractions, as following:

- Find the least common multiply of the denominators:

$LCM=5*3=15$

- Divide the LCM by each original denominator and multiply the result by each numerator.

- Make the addition.

Then, the result is:

$\frac{(2*3)+(1*5)}{15}=\frac{6+5}{15}=\frac{11}{15}$

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3 years ago