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VikaD [51]
4 years ago
13

a window is 12 feet above the ground. a ladder is placed on the ground to reach the window. if the bottom of the ladder is place

d 5 feet away from the building, what is the length of the ladder
Mathematics
1 answer:
marin [14]4 years ago
7 0
A^2+b^2=c^2

12^2+5^2=169

√169= √c^2

13=c so the ladder is 13ft long
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Gus purchases 18 apples and 45 pears for his friends. He wants to put the same amount of fruit in each bag. How many bags of fru
Anestetic [448]
Add apples to pears, getting 63, then find the square root which should be 7.937
4 0
3 years ago
Factor the expression below 36a2-25b2 which binomial is factor of the expression
Serhud [2]

Answer: (6a + 5b) • (6a - 5b)

 

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "b2"   was replaced by   "b^2".  1 more similar replacement(s).

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 (36 • (a2)) -  52b2

Step  2  :

Equation at the end of step  2  :

 (22•32a2) -  52b2

Step  3  :

Trying to factor as a Difference of Squares :

3.1      Factoring:  36a2-25b2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  36  is the square of  6

Check : 25 is the square of 5

Check :  a2  is the square of  a1

Check :  b2  is the square of  b1

Factorization is :       (6a + 5b)  •  (6a - 5b)

Final result :

 (6a + 5b) • (6a - 5b)

brainly would epic!

7 0
3 years ago
Read 2 more answers
Please answer this!!
balu736 [363]

Answer:

3,724 cubic inches

Step-by-step explanation:

All you have to do is multiply 19•14•14

5 0
3 years ago
How many multiples of three are between 10 and 787 and show work pls
SOVA2 [1]
787-10=777
777/3=259

259 multiples of 3
8 0
3 years ago
A rose garden is formed by joining a rectangle and a semicircle, as shown below. The rectangle is 24 ft long and 14 ft wide.
expeople1 [14]

rounded part is a semicircle so the area for that is the area of a circle ÷ 2

so

area of the rectangle + (area of the circle ÷ 2) = answer

24 * 14 = 336 = area of the rectangle

14 ÷ 2 = r

(pi * 7^2) ÷ 2

(pi * 49) ÷ 2 = 153.86 ÷ 2 = 76.93 = area of semicircle

336 + 76.93 = 412.93 ft^2 = answer

6 0
3 years ago
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