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vampirchik [111]
2 years ago
14

Yaritza is going to see a movie and is taking her 4 kids. Each movie ticket costs $13 and there are an assortment of snacks avai

lable to purchase for $4.50 each. How much total money would Yaritza have to pay for her family if she were to buy 7 snacks for everybody to share? How much would Yaritza have to pay if she bought xx snacks for everybody to share?
Mathematics
1 answer:
anzhelika [568]2 years ago
6 0

Answer:

Yaritza will have to pay $83.50 dollars to go to the movies.

It will cost $31.50 for 7 snacks for her family to share.

Step-by-step explanation:

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Help needed I need the answer with work shown for the graphs
andreyandreev [35.5K]

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top right: speed = 0 miles per hour  = 0 MPH

bottom left: speed = 4 miles per hour  = 4 mi/h

bottom right: speed = 2 miles per hour  = 2 mi/h

and so, the fastest is bottom left. And pay attention in class! i'm in highschool and Iearned this in 6th grade!

Step-by-step explanation:

key: speed= distance/time

distance= speedxtime

time=distance/speed

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3 years ago
(40 points to best answer) (help ASAP)
aleksandrvk [35]

Answer:

x=3.5

Step-by-step explanation:

We can use proportions to solve this problem.  Put the side of one triangle over the same side of the other triangle.

6           4.2

------ = ----------

5           x

Using cross products

6x = 5*4.2

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Marvin invested 65% of his retirement account in stocks and 35% in gold. Marvin believes that the return to stocks over the next
ser-zykov [4K]

Answer:

1)

the mean rate of return is 17 %

the standard deviation of return is 17.06055

2)

the probability that Marvin's portfolio will make at least 20% over the next 12 months is 0.4325

Step-by-step explanation:

Given the data in the question;

1)

For the portfolio, the mean return and standard deviation are computed as follows;

Mean = Return = 0.65 × 10 + 0.35 × 30

= 6.5 + 10.5

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Therefore, the mean rate of return is 17 %

Standard deviation will be;

σp = √( 0.65² × 15² + 0.35² × 40² )

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Therefore, the standard deviation of return is 17.06055

2)  

probability that Marvin's portfolio will make at least 20% over the next 12 months.

P( X > 20 )

we convert to a standard normal variable;

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Z = 0.17

from z table, p-value is;

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Therefore, the probability that Marvin's portfolio will make at least 20% over the next 12 months is 0.4325

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