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artcher [175]
3 years ago
7

Ben 56 years, Kevin will be 9 times as old as he is right now.

Mathematics
2 answers:
Bad White [126]3 years ago
4 0
56X9=504? Is that what your looking for
Oksana_A [137]3 years ago
3 0
A represents his age nowa + 56 = 9a Can you solve for a?
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Morgan Bowie is trying to determine the amount to set aside so that he will have enough money on hand in 3 years to overhaul the
Nostrana [21]

Answer:

$468.09

Step-by-step explanation:

first we must calculate the expected future value of the engine overhaul:

($390 x 10%) + ($570 x 30%) + ($750 x 50%) + ($790 x 10%) = $39 + $171 + $375 + $79 = $664

now we must determine the present value of $664 using a 6% interest rate:

PV = FV / (1 + r)⁶ = $664 / 1.06⁶ = $468.09

6 0
3 years ago
A college bookstore marks up the price that it pays the publisher for a book by 35%.  If the selling price of a book is $54.00,
Marina CMI [18]
The answer is $18.90 because 35% of 54.00 is $18.90
6 0
3 years ago
Read 2 more answers
In the linear equation y= 3/4x + 2 what does 2 represent?​
muminat

Answer: The y intercept.

Step-by-step explanation:

Using the form y = mx +b, m represents the slope and b is the y intercept. In the equation y = 3/4x + 2, the slope (m) = 3/4 and the y intercept (b) = 2

6 0
3 years ago
The frist brand is 30% and the second on is 55% in order to obtain 30 gallons of mixture that contains 35% how many gallons of e
snow_tiger [21]

yeet


first brand quantity is x

2nd brand quantity is y


x+y=30

0.3x+0.55y=0.35(30) or 0.3x+0.55y=10.5

solve for x and y

multiply first equation  by -0.3

-0.3x-0.3y=-9

add to 2nd equation


0.3x-0.3y=-9

<u>0.3x+0.55y=10.5 +</u>

0x+0.25y=1.5


0.25y=1.5

divide both sides by 0.25

y=6

sub back

x+y=30

x+6=30

x=24


you need 24 gallons of the first brand and 6 gallons of the 2nd brand

4 0
3 years ago
Read 2 more answers
A beach has two floating docks. One is 650 meters east of
mixas84 [53]
Answer: 705m

Explanation:

Using cosine rule:
c²= a²+b²-2abcosC

Substituting:
c²=750²+650²-2(750)(650)cos60
c=√Ans
c= 705.336799..
=705m (nearest metre)
5 0
3 years ago
Read 2 more answers
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