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aliya0001 [1]
2 years ago
9

an aircraft flew at a speed of 900mph. what distance will it fly in 2/5 hours, 13/15 hours, 7/18 hours?

Mathematics
1 answer:
Ray Of Light [21]2 years ago
7 0

2/5 = 360

Two fifths written as a fraction is 2/5. You can also write it as a decimal by simply dividing 2 by 5 which is 0.40.

If you multiply 0.40 with 900 you will see that you will end up with the same answer as above.

You may also find it useful to know that if you multiply 0.40 with 100 you get 40.00. Which means that our answer of 360.00 is 40.00 percent of 900.

13/15 = 780

7/18 = 350

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How can you use the properties of operations to evaluate this expression?<br> 18 + 4(28). Explain.
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130.

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4 0
3 years ago
Read 2 more answers
Mary Stahley invested $2500 in a 36-month certifi- cate of deposit (CD) that earned 8.5% annual simple interest. When the CD mat
nata0808 [166]

9514 1404 393

Answer:

  $13,916.24

Step-by-step explanation:

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  A = $2500(1 +0.085·3) = $2500×1.255 = $3137.50

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Now, we can find the value of the account with compound interest.

  A = P(1 +r)^t . . . . . rate r compounded annually for t years

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The mutual fund was worth $13,916.24 after 9 years.

3 0
2 years ago
Annual fixed costs for a product are $75,000. The product itself sells for $6 and it costs $2 in variable costs to make each pro
rusak2 [61]

Given

Annual fixed costs for a product are $75,000.

The product i sells for $6

it costs $2 in variable costs to make each product.

the variable cost per unit goes up to $2.50

find out how many units will the annual break-even point for the product change .

To proof

FORMULA

Break even = Fixed cost ÷  Contribution margin per unit

where

Contribution margin per unit = sale price - variable price

Take two cases

Case first

fixed costs for a product =  $75,000

product itself sells =  $6

variable costs  = $2

put all the value in the above equation

we get

Contribution margin per unit = 6 - 2

                                               = 4

Break even (say B1 ) = \frac{75000}{4}

                                        = 18750 units

CASE SECOND

 the variable cost per unit goes up to $2.50

put value inthe formula

Contribution margin per unit = 6 - 2.50

                                               = 3.5

Break even (say B2 ) = \frac{75000}{3.5}

we get

Breakeven (sayB2) = 21428.6 unit

change in the break even product = B2- B1

                                                         = 21428.6 - 18750

                                                        =  2678.6 unit

Hence proved

                                                       








4 0
3 years ago
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