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enyata [817]
3 years ago
13

The formula that relates the length of a ladder, L, that leans against a wall with distance d from the base of the wall and the

height h that the ladder reaches up the wall is mc024-1.jpg. What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall?
Mathematics
2 answers:
sesenic [268]3 years ago
6 0

Answer: it's 14.6 feet

Brrunno [24]3 years ago
3 0
We will use the Pythagorean theorem to determine the height:h^{2}=15^{2} - 3.5^{2} h^{2} =225 - 12.25=212.75 Finally: h= \sqrt{212.75}=14.5859
Answer Ladder will reach the height of 14.59 feet ( to the nearest hundredths).
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Cual es la longitud en metros d 4 centímetros
mart [117]
¿Hola, Sabes hablar ingles? solo puedo hablar ingles. Estoy usando traductor.
4 centimetros igual 0.04

3 0
3 years ago
Reduce 7y + 2y2 - 7 by 3 - 4y.
Liula [17]

Step-by-step explanation:

Reduce = Deduct = Subtract

7y + 2y^2 - 7 - (3 - 4y)

distribute the negative sign outside 3-4y.

7y+2y^2-7 - 3 + 4y

collect like terms, meaning try to make similar components of the equation together at one place.

7y & 4y are like terms in this case.

7y + 4y + 2y^2 - 7 - 3

11y + 2y^2 - 10

rewrite 2y^2 infront of the equation because it has the highest degree which is 2.

2y^2 + 11y - 10

8 0
3 years ago
Which graph represents the rational function f(x) equals X squared -16 divided by X squared minus 2X -8
masya89 [10]

Answer:

It should be a graph of two branches, one on the top right, and bottom left, and the center of them should be at (-2, 1).

Step-by-step explanation:

f(x)=(x^2-16)/(x^2-2x-8)

= (x+4)(x-4)/(x-4)(x+2)

=(x+4)/(x+2)

=((x+2)+2)/(x+2)

=1+2/(x+2)

So the center is at (-2, 1)

7 0
3 years ago
Western Athletic Club International (WACI) owns and operates a chain of fitness clubs. Currently WACI has 675 members at its Col
Ad libitum [116K]

Answer:

12%

Step-by-step explanation:

let x represent the actual number of members last year.

current members = 675 and with an increment of 13% over previous year

to find the increment

(675 - x) / x = 0.13

675 - x = 0.13x

collect the like terms

675 = 0.13x + x

675 = 1.13 x

x = approx 597 members were there last year

its hope to increase by the same number next year

percent increase = 675 - 597 / 675 = 78 / 675 = 0.12 = 12%

4 0
3 years ago
Juan has 2 liters of juice he drinks 0.21 each day for how many days will the juice last
inna [77]
You can do a quick division to figure this out:

2 L / (0.21 L/day) = 9.5 days
5 0
3 years ago
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