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Leni [432]
3 years ago
12

Find the height of the rectangular prism below if the volume is 334.8 meters cubed. 6m 18m

Mathematics
1 answer:
Serga [27]3 years ago
7 0

Answer:

Step-by-step explanation:

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An airplanes altitude changes -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?
Natalija [7]
Average rate= change in alt / change in time

r=-378/7=-54ft/min
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P(A) = 1/2<br> P(B) = 1/3<br> PIAN B) = 1/6<br> Find P(AUB)
Oksi-84 [34.3K]

P(A\cup B)=P(A)+P(B)-P(A\cap B)

so that P(A U B) = 1/2 + 1/3 - 1/6 = 2/3

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3 years ago
What's one of the factors of x² - x – 6 ?
mr Goodwill [35]
x^2-x-6=x^2+2x-3x-6=x(x+2)-3(x+2)\\\\=\boxed{(x+2)(x-3)}

The factors are: (x+2) and (x-3).

x^2-x-6=x^2+\underbrace{2x-3x}_{=-x}-6\\\\=\underbrace{x\cdot\boxed{x}}_{=x^2}+\underbrace{2\cdot\boxed{x}}_{=2x}+\underbrace{\fbox{-3}\cdot x}_{=-3x}+\underbrace{\fbox{-3}\cdot2}_{=-6}=\boxed{x}(x+2)+\fbox{-3}(x+2)\\\\=(x+2)(x+(-3))=\boxed{(x+2)(x-3)}
8 0
3 years ago
A1.0 kg cart moving right at 5.0 -- on a frictionless track
bulgar [2K]

Answer:

3.0 kg

Step-by-step explanation:

Momentum before collision = momentum after collision

m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂

(1.0 kg) (5.0 m/s) + m (-2.0 m/s) = (1.0 kg) (-4.0 m/s) + m (1.0 m/s)

5.0 kg m/s + m (-2.0 m/s) = -4.0 kg m/s + m (1.0 m/s)

9.0 kg m/s = m (3.0 m/s)

m = 3.0 kg

6 0
3 years ago
a rectangular pool has an area of 640 square feet. the is 12 feet shorter than the width. the length of the pool is feet and the
Ray Of Light [21]

Given:

Area of rectangular pool = 640 square feet

The length is 12 feet shorter than the width.

To find:

The length and width of the pool.

Solution:

Let width of the pool = x feet

Then, Length of the pool = (x-12) feet

Area of a rectangle is

Area=length\times width

Area=(x-12)\times x

Area of pool is 640 square feet. So,

(x-12)x=640

x^2-12x-640=0

Splitting the middle term, we get

x^2-32x+20x-640=0

x(x-32)+20(x-32)=0

(x+20)(x-32)=0

Using zero product property, we get

x=-20,32

Dimensions cannot be negative. So, x=32.

Now,

Width of the pool = 32 feet

Length of the pool = 32-12 = 20 feet

Therefore, the length of the pool is 20 feet and width is 32 feet.

7 0
3 years ago
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