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3 years ago

Check all that are possible units measuring distance in the metric system: A. Foot B. Inch C. Kilometer D. Milimeter

Mathematics

1 answer:

algol [13]3 years ago

7 0

Answer:

C) Kilometer ; D) Milimeter

Step-by-step explanation:

Metric system is an international decimal system of measurement.

Metric units are most commonly used units of measurement for variable (s).

Basic metric unit of distance (length) is meter. All possible units of measurement = Kilometer, Milimeter

Other examples : Kilogram for weight, Liters for liquid volume etc

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gulaghasi [49]

Answer:

y + 11 = 14

Step-by-step explanation:

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3 years ago

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A 5-digit combination lock with digits 0-9 can be opened only if a correct combination of digits is chosen. Find the probability

sammy [17]

The total number of combinations without restrictions is

10 * 10 * 10 * 10 * 10 = 100000

Problem A

10 * 9 * 8 * 7 * 6 = 30240

the number of ways the combination can be set up with no repetition.

The probability of such an event is P = 30240 / 100000 = 0.3024

Problem B

The number of ways that can be done with repetition and no zeros is

9 * 9 * 9 * 9 * 9 = 59049

The probability of such an event is

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3 years ago

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A boy borrowed his boat 531 feet out into the ocean. When he looked back he saw the house on a cliff above the beach where he se

Ludmilka [50]

Answer:

259 ft.

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangles are isosceles. scalene, equilateral, acute, obtuse and right angled triangle.

A right angled triangle is a triangle in which one of the angles is 90 degrees. Trigonometric ratios show the relationship between the angles of a right angle triangle and its sides.

Let h represent the height of the house above water, hence using trigonometric ratios:

tan(26) = h / 531

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2 years ago

National Safety Council statistics show that a death is caused by a motor vehicle

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Answer:

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2 years ago

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Peter is making new cushion covers for a chair. There are three sizes of

Lesechka [4]

Answer:

A 846 square inches

Step-by-step explanation:

Use the net:

Rectangle 1: (21 in + 3 in + 21 in + 3 in) by 15 in.

Rectangle 2: 21 in by 3 in

Rectangle 3: 21 in by 3 in

total area = sum of areas of 3 rectangles above.

total area = (48 in * 15 in) + 2(21 in * 3 in)

total area = 720 in^2 + 126 in^2

total area = 801 in^2

Answer: A 846 square inches

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3 years ago