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2 years ago

Given the equation for this parabola : y=-(x-4)^2-3 does this parabola have a maximum or minimum value ?

Mathematics

1 answer:

noname [10]2 years ago

8 0

The parabola has a minimum value of -3 due to the subtraction at the end of the equation.

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Are the numbers 3.0 and 3 the same?? Would it make sense to place 3.0 on a graph by the number 3?

Ivanshal [37]

Answer:

3.0=3\10 3=3

Step-by-step explanation:

As you can see 3.0 is a decimal but i would be right to place it on three on a graph

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2 years ago

What is 4:38 25 minutes

Inga [223]

4:38

25 minutes

38 min + 22 min

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5:00

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5:03

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3 years ago

Consider a sampling distribution with p equals 0.15p=0.15 and samples of size n each. Using the appropriate formulas, find the

Grace [21]

Answer:

$a.\ \mu_p=750\ \ , \sigma_p=0.005\\\\b.\ \mu_p=150\ \ , \sigma_p=0.0113\\\\c.\ \mu_p=75\ \ , \sigma_p=0.0160$

Step-by-step explanation:

a. Given p=0.15.

-The mean of a sampling proportion of n=5000 is calculated as:

$\mu_p=np\\\\=0.15\times 5000\\\\=750$

-The standard deviation is calculated using the formula:

$\sigma_p=\sqrt{\frac{p(1-p)}{n}}\\\\=\sqrt{\frac{0.15(1-0.15)}{5000}}\\\\=0.0050$

Hence, the sample mean is μ=750 and standard deviation is σ=0.0050

b. Given that p=0.15 and n=1000

#The mean of a sampling proportion of n=1000 is calculated as:

$\mu_p=np\\\\=1000\times 0.15\\\\\\=150$

#-The standard deviation is calculated as follows:

$\sigma_p=\sqrt{\frac{p(1-p)}{n}}\\\\\\=\sqrt{\frac{0.15\times 0.85}{1000}}\\\\\\=0.0113$

Hence, the sample mean is μ=150 and standard deviation is σ=0.0113

c. For p=0.15 and n=500

#The mean is calculated as follows:

$\mu_p=np\\\\\\=0.15\times 500\\\\=75$

#The standard deviation of the sample proportion is calculated as:

$\sigma_p=\sqrt{\frac{p(1-p)}{n}}\\\\\\=\sqrt{\frac{0.15\times 0.85}{500}}\\\\\\=0.0160$

Hence, the sample mean is μ=75 and standard deviation is σ=0.0160

4 0

3 years ago

Show correct answers only!! i need asap!!

SOVA2 [1]

Answer:

11 1/2 aka D

Step-by-step explanation:

add 7 and 4 which is 11, then add 1/4 and 1/4 which is 1/2

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2 years ago

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Find the product: (-3)(-5)

MariettaO [177]

Answer:

Step-by-step explanation:

-3 times -5 equals 15 because two negatives multiplied by each other equals a positive.

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3 years ago

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