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Nesterboy [21]
3 years ago
9

The ladder is placed against the wall. The foot of the ladder is 3 feet away from the wall and the top of the ladder hits the wa

ll 15 feet off the ground . what is the slope of the ladder ?
Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer:

234 feet

Step-by-step explanation:

15^2=225

3^2=9

225+9=234

(This is the Pythagorean Theorem, btw!)

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PLEASE SOMEONE HELP AND SHOW UR WORK..
Sonbull [250]

Answer: The answer is 2,713 in³

The volume (V) of the prop is the sum of the volume of cone (V1) and half of the volume of the sphere (V2): V = V1 + 1/2 * V2

Volume of the cone is:

V1 = π r² h / 3

According to the image,

h = 14 in

r = 9 in

and

π = 3.14

V1 = 3.14 * 9² * 14 / 3 =  1,186.92 in³

The volume of the sphere is:

V2 = π r³ * 4/3

According to the image,

r = 9 in

and

π = 3.14

V2 = 3.14 * 9³ * 4/3 = 3,052.08 in³

The volume of the prop is:

V = V1 + 1/2 * V2

V = 1,186.92 in³ + 1/2 * 3,052.08 in³

V = 1,186.92 in³  + 1,526.04 in³ 

V = 2,712.96 in³ ≈ 2,713 in³

4 0
3 years ago
If |x| = 6 then x = -6 or
Keith_Richards [23]
The integers 6 and -6 both have the absolute value of 6.
Remember that absolute value is the distance from the number and 0 on a number line.

Final answer: x=-6 or x=6
7 0
4 years ago
11, 7, 3, -1,...
Bess [88]

The mathematical formula to solve this is :

f(n)= f1 + (n-1)d

We have:f(n)= 11 + (n-1)-4

f(n)= 11 -4n +4

f(n)=15 -4n

The right answer is D.

3 0
3 years ago
I am having trouble!!!!
elena55 [62]

Answer:

23.24

Step-by-step explanation:

If the width is 3.4, the radius is 1.7.

7.2-1.7=5.5

Rectangle = 5.5x3.4=18.7

Half circle = 1/2x3.14x1.7²=4.5373

18.7+4.5373=23.2373

7 0
3 years ago
At a local department store dresses Typically cost $40. However, due to a special, the dresses are reduced to $36. What percent
ale4655 [162]

Answer:

10% no rounding really necessary.  

Step-by-step explanation:

Percent of reduction is basically asking, what do you need to multiply the original by to get the new number.  So it's algebra.

40x = 36

x = 36/40

x = .9

So this means 36 is 90% of 40.  So how much of a percent was taken away?  10.  So that means it is 10% off.  

if it helps you can think of percent increase or decrease like this .  If you have some original value P and want to reduce/ increase by a percent x you would write it out like this.  

P + x*P = P(1+x) where of course x is negative if you are decreasing.  And you want x to be written as a decimal, so 34% would be .34  So in this case  it would look like this.

36 = 40(1-x)

.9 = 1-x

-.1 = -x

.1 = x

So that's another way to get to the answer.  

7 0
3 years ago
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