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liraira [26]
4 years ago
12

A ladder is sliding down a wall so that the distance between the top of the ladder and the floor is decreasing at a rate of 9 fe

et per second. How fast is the base of the ladder receding from the wall?
Mathematics
1 answer:
bixtya [17]4 years ago
4 0
Use Pythagorean theorm

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Una botella pesa 1090kg cuando esta llena y 250g cuando esta vacía. ¿Cuanta masa de aceite contiene la botella?
Hitman42 [59]

Respuesta:

1089,75 kg

Explicación paso a paso:

Dado que :

Masa de embotellado lleno = 1090 kg

Masa de la botella vacía = 250 g

Masa de aceite que contiene la botella:

Expresando la masa de la botella cuando se llena en gramos:

1000 g = 1 kg

1090 kg = (1090 * 1000) = 1090000 g

La masa de aceite que contiene la botella es así:

Masa de la botella cuando está llena - masa de la botella cuando está vacía

1090000 g - 250 g = 1089750 g

Por tanto, la masa de aceite es 1089750 g

O 1089750/1000 = 1089,75 kg

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3 years ago
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lana [24]
14 7/18 is the correct answer i believe.
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3 years ago
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Find the equation of the line that is perpendicular to y = –3x + 1 and passes though the point (6, 3).
JulsSmile [24]

Answer:

y = \frac{1}{3} x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 3x + 1 ← is in slope- intercept form

with slope m = - 3

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-3} = \frac{1}{3}, thus

y = \frac{1}{3} x + c ← is the partial equation of the perpendicular line

To find c substitute (6, 3) into the partial equation

3 = 2 + c ⇒ c = 3 - 2 = 1

y = \frac{1}{3} x + 1 ← equation of perpendicular line

6 0
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B. 67
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In the zoo, there are 12 elephants, 8 giraffes, 9 lions, 10 seals, and 16 otters.
xenn [34]

Answer:

16/55

Step-by-step explanation:

If you add all the animals together then put it in fraction form you have 16/55

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