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PSYCHO15rus [73]
3 years ago
6

In need of some help please.

Mathematics
1 answer:
Hatshy [7]3 years ago
8 0
By the Pythagorean theorem
  50^2 = x^2 +(x +34)^2
  2500 = 2x^2 +68x + 1156
  x^2 +34x -672 = 0
  (x -14)(x +48) = 0
  x = 14 or -48

The distance from the wall to the base of the ladder is 14 ft.

_____
7-24-25 is a Pythagorean triple. The dimensions here are double those values. It can be handy to know a few of the Pythagorean triples, as that can let you write down the answers to problems without having to go through the equations.
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147 is 3/2 of an original amount. What is the original amount
Dovator [93]

Answer:

98

Step-by-step explanation:

147/3=49x2=98

8 0
3 years ago
If Sandy's cookie recipe calls for 1/3 cup of brown sugar and she increases it by 2/9 of a cup, how much brown sugar does she us
solong [7]

1/3 c equals 3/9 cups

increasing that by 2/9 cups gives total 5/9 cups

4 0
3 years ago
Select the correct answer.
Darya [45]
C. 81.74 ............
5 0
3 years ago
Which equations represent the line that is perpendicular to the line 5x – 2y = -6 and passes through the point
natta225 [31]

Answer: 2x + 5y = - 10, Cy + 4 = (x-5)

Dy - 4 = (x+ 5)

Step-by-step explanation:

Equation of the line

5x - 2y = -6

Conditions for perpendicularity

m1 x m2 = -1

To get m1, rearrange the equation

2y = 5x + 6

y = 5x/2 + 3

n1 = 5/2 and m2 = -2/5

To get C

y = mx +c

-4 = -2 x 5/5 + C

-4 = -2 + C

C = -4 + 2

C = -2

To get the equation of the second line

y = -2x/5 - 2

Multiply through by 5

5y = -2x - 10

2x + 5y = 10.

4 0
3 years ago
Read 2 more answers
If $25,000 is invested in a saving account at a rate of 7% compounded continuously, then the amount in the account after 5 years
Mars2501 [29]

Answer: 35,476.69


Step-by-step explanation:

the formula is

A=p×e^(rt)

A future value?

P present value 25000

R interest rate 0.07

T time 5years

A=25,000×e^(0.07×5)

A=35,476.69


Hope it helps!

8 0
3 years ago
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