If a family has 8 children, in how many ways could the parents have 3 boys and 5 girls

Mathematics

1 answer:

svetoff [14.1K]3 years ago

4 0

Answer: It should only be one time.

Step-by-step explanation:

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What is the slope of the line through (-9,6) (-6,-9)

mina [271]

Answer:

The slope of the line through (−9,6) and (−6,−9) is −5

Step-by-step explanation:

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3 years ago

Solve for y 10.3=0.6y

gavmur [86]

10.3 = 0.6y...divide both sides by 0.6
10.3 / 0.6 = y
17.17 = y <=

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3 years ago

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Jet001 [13]

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3 years ago

The distance travelled in (m) by a ball dropped from a height are 128/9,32/3,8,6,...

Allushta [10]

Answer: it will trave 56.89 meters before coming to rest.

Step-by-step explanation:

This is a geometric progression since the distance travelled (height) by the ball is reducing by a constant ratio, r. Since the number of times that the ball will bounce is infinite, then we would apply the formula for determining the sum of the terms in a geometric progression to infinity which is expressed as

S = a/(1 - r)

where

S = sum of the distance travelled by the ball

a = initial distance or height of the ball

r = common ratio

From the information given,

a = 128/9

r = (32/3)/(128/9) = 0.75

Therefore,

S = (128/9)/(1 - 0.75) = 56.89 meters

7 0

3 years ago

Sam the owl is looking down at a 24° angle from the top of a tree that is 10 ft tall, when he spots a bird on the ground. How fa

Liula [17]

Answer:

24.59 feet

Step-by-step explanation:

Let x represent the distance between Sam and the bird.

We have been given that am the owl is looking down at a 24° angle from the top of a tree that is 10 ft tall, when he spots a bird on the ground. We are asked to find the distance between Sam and the bird.

We can see from our attachment that Sam, the bird and angle of depression forms a right triangle with respect to ground. We can see that side 10 ft is opposite side and and side x is hypotenuse for the 24 degree angle.

$\text{sin}=\frac{\text{Opposite}}{\text{Hypotenuse}}$