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2 years ago

How many times greater is the value of 2 digit in 20 than the 2 digit in 952?

Mathematics

1 answer:

Arisa [49]2 years ago

5 0

Answer:

hebsbbsbshsdbdbdjdjsjjdjdjdjbbfa I rbjf

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A ladder is leaning against a wall. The top of the ladder is 9 feet (ft) above the ground. If the bottom of the ladder is moved

Komok [63]

Step 1

First situation

when a ladder is leaning against a wall

Let

x-------> the distance of the bottom of the ladder from the wall

L-------> the length of the ladder

Find the length of the ladder

Applying the Pythagorean Theorem

$L^{2} =x^{2}+ 9^{2}$ ------> equation $1$

Step 2

Second situation

when the ladder will be lying flat on the ground

Find the length of the ladder

In this situation the length of the ladder is equal to

$L=x+3$

square both sides

$L^{2}=(x+3)^{2}$ ------> equation $2$

Step 3

equate equation $1$ and equation $2$

$x^{2}+ 9^{2}=(x+3)^{2}\\x^{2}+81=x^{2} +6x+9\\ 6x=81-9\\6x=72\\x=12\ ft$

therefore

the answer is

the length of the ladder is $12\ ft$

see the attached figure to better understand the problem

5 0

3 years ago

Please answer soooooooooooooooon :|

madam [21]

Answer: 200 square units

Step-by-step explanation:

first you think what 60/3 is and you get 20

then you multiply 20x20 and get 400

then you divide by 2 because to find the area of a triangle you use the formula (lxh)/2

4 0

2 years ago

Which expression is equivalent to 1/1-2sin^2(x)?

Alika [10]

Answer:

a) $\frac{1}{cos(2x)}$

Step-by-step explanation:

5 0

2 years ago

In the figure below, BC is a diameter of circle P. The length of BP is 3 units.

Anestetic [448]

Answer:

(7/12)*pi

Step-by-step explanation:

ACD/circumference = [35*pi/180]/2pi

<=>

ACD/[2*pi*3] = [35*pi/180]/2pi

7 0

2 years ago

PLEASE HELP,u will get BRAINLY, What would be an algebraic equation to show how many marbles could fill up the jar?

kvasek [131]

Answer:

of marbles,x 7.5cm height of water, Y

Step-by-step explanation:

8 0

2 years ago