3 years ago

I will mark Brainliest!

Mathematics

2 answers:

klasskru [66]3 years ago

5 0

Answer:

54 feet 60 feet

Step-by-step explanation:

Oduvanchick [21]3 years ago

5 0

Answer:

im pretty sure its 54 feet 60 feet for the first one..

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V. Money Magazine reported that the average price of gasoline in the United States during the first quarter of 2008 was $3.46. A

Butoxors [25]

Answer:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

Step-by-step explanation:

Let X the random variable that represent the price of a population, and for this case we know the distribution for X is given by:

$X \sim N(3.46,0.15)$

Where $\mu=3.46$ and $\sigma=0.15$

And for this case we want to find the following probability:

$P(3.43 \leq \bar X \leq 3.49)$

And we can use the z score formula given by:

$z=\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

If we find the z score for the limits we got:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

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4 years ago

Maria has a savings account. Every month she deposits $30 in it. The graph

astraxan [27]

Answer:

e owou

Step-by-step explanation: 123

7 0

3 years ago

Will make brainliest

DedPeter [7]

The awnser is B. There Is no soulution reigon.

Hope It Helps (^_^) (O_O)

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3 years ago

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Number 24 ion know the answer

Stels [109]

Answer:

C.620

Step-by-step explanation:

125+185=310

31082=620

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3 years ago

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I need help please, ill give Brainliest

barxatty [35]

Product means multiply
10 * q

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3 years ago