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Oxana [17]
3 years ago
10

Christopher is hanging Christmas lights along the perimeter of his house by using his 15 foot ladder. The base of the ladder is

placed 4 feet away from the base of his house. How far up the house does his ladder reach?
Mathematics
1 answer:
Maru [420]3 years ago
6 0

Answer:

14.45 feet

Step-by-step explanation:

The set up is a right angled triangle;

The length of the ladder = hypotenuse = 15foot

The base of the ladder is the adjacent = 4feet

The height of th house is the opposite = x

Using the pythagoras theorem;

hyp² = opp² + adj²

15² = opp²+4²

opp² = 15²- 4²

opp² = 225 - 16

opp² = 209

opp = 14.45feet

Hence the ladder reaches 14.45 feet up the house

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if the first and third of three consecutive odd integers are added, the result is 63 less than five times the second integer. fi
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The value of third consecutive odd is 23

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Let the first consecutive odd integer be x

Second consecutive integer = x+2

Third consecutive integer = x+4

We are given that

First + third = 5(Second) – 63

x + x + 4 = 5 (x+2) -63

2x + 4 = 5x +10 -63

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2 years ago
Jennifer is leasing a car from a local auto retailer. The terms of the lease include a 9% interest rate for 36 months with a res
katrin [286]
1. The problem gives the residual value in percentage, and you need it in dollars. So, if the MSRP for the car Jennifer is leasing is $ 17,500, you have:

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 2. Then, you need to substract the residual value and the lease term, to calculate the value of the car, as below:

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 3. You need to calculate the money factor, which is the interest rate divided by 2400. Then, you have:

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 What will Jennifer’s monthly lease payment be?

 The answer is: d. $312.06
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