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Lubov Fominskaja [6]
3 years ago
7

What is the least common multiple of forty -two and eighteen?

Mathematics
1 answer:
makkiz [27]3 years ago
7 0
42,84,126
18, 36,54,72,90,108,126

that would be 126
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3 is to 2 is the probability of drawing 4 marbles that are all blue.

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3 years ago
Consider two circular swimming pools. Pool A has a radius of 48 feet, and Pool B has a diameter of 29.46 meters. Complete the de
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Answer: pool B has a greater circumference.

Step-by-step explanation:

The formula for determining the circumference if a circle is expressed as

Circumference = 2πr

Where

r represents the radius of the circle.

π is a constant whose value is 3.14

Pool A has a radius of 48 feet.

1 foot ≈ 0.305 meters

48 feet = 48 × 0.305 = 14.64 meters

The circumference of pool A is

2 × 3.14 × 14.64 = 91.94 meters

Pool B has a diameter of 29.46 meters. Radius = diameter/2

Radius of pool B = 29.46/2 = 14.73 meters

The circumference of pool B is

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Therefore, pool B has a greater circumference.

7 0
3 years ago
The kinetic energy k of an object in joules is given by the formula k = 1 mv2, where m is the object's mass in kilograms and v i
RideAnS [48]

Answer:

108,000 joules

Step-by-step explanation:

Kinetic energy, k = 1/2 mv^2

Where,

m = mass of the object in kilogram

v = velocity in meters per seconds

If

Velocity of an object = 20 meters per seconds

Kinetic energy = 48,000 joules

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48,000 = 1/2 × m × 20^2

48,000 = 1/2 × m × 400

48,000 = 200m

m = 48,000 / 200

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If it speeds up to 30 meters per second, then what is its new kinetic energy?

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Using m = 240 kg

k = 1/2 mv^2

= 1/2 × 240 × 30^2

= 1/2 × 240 × 900

= 216,000 / 2

= 108,000 joules

The new kinetic energy = 108,000 joules

6 0
3 years ago
Read 2 more answers
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-3 times 4y - v -2 hope this helps !
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3 years ago
•How do the solutions to an equation relate to the graph of the equation?
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