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Ainat [17]
3 years ago
11

How fast was the plane traveling ?

Mathematics
2 answers:
EastWind [94]3 years ago
6 0

Answer:

400 mph

Step-by-step explanation:

speed = distance / time

3600 miles /9 hours is 400 miles per hour.

Fudgin [204]3 years ago
4 0
400 mph
Explanation:
In 9 hours Catherine was traveling 3,600 miles in order to find the constant of how many mph the plane was traveling you would have to take the miles (3,600) divide it by the hours (9)
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2 years ago
Suppose that you earned a​ bachelor's degree and now​ you're teaching high school. The school district offers teachers the oppor
stepan [7]

Answer:

Step-by-step explanation:

Answer:

a. The amount that is saved at the expiration of the 5 year period is $22,769.20¢

b. The amount of interest is $2,769.20¢

Step-by-step explanation:

Since the amount that is deposited every year for a period of five years is $4,000 and the rate of the interest is 6.5%. We can always calculate the amount that is saved at the expiration of the five years.

    We will first state the formula for calculating the future value of annuity:-

      Future value of annuity =

                      P[\frac{(1 + r)^{t}-1 }{r}]

   Where P is the amount deposited per year.

   r is the rate of interest

   t is the time or period

 

    and in this case, the actual value of P = $4,000

      rate of interest, r is 6.5% = 0.065

      time, t is 5 years.

   Substituting e, we have:

   Fv of annuity =

                          4,000[\frac{(1 + 0.065)^{5}-1 }{0.065 }]

   = 4,000 × [((1.065)^5)- 1/0.065]

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 = 4,000 × (0.37/0.065)

 = 4,000 × 5.6923

 = $22,769.20¢

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  Since I deposited 4,000 every year for five years, the total amount of deposit I made at the period =

       4,000 × 5 = $20,000

  The amount of interest is then = $22,769.20¢ - $20,000 = $2,769.20¢

3 0
3 years ago
What is the product of one half and two thirds?
attashe74 [19]

Answer:

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3 years ago
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expeople1 [14]
Simplifying
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Reorder the terms:
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Solving
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Move all terms containing x to the left, all other terms to the right.

Add '0.2x' to each side of the equation.
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Add '-0.7' to each side of the equation.
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Combine like terms: 0.7 + -0.7 = 0.0
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Combine like terms: 1 + -0.7 = 0.3
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x = 0.25

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x = 0.25

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