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2 years ago

20 POINTS!! PLEASE HELP I CAN'T DO THIS ALONE!!!

Mathematics

2 answers:

andriy [413]2 years ago

6 0

Answer:

The answer to your question is:

Step-by-step explanation:

I hope it hepls you

Real number a number which can be written as an infinite decimal

Whole number a number belonging to the set made up of zero and the natural numbers

Natural number a number belonging to the set made up of the numbers that are used to count: 1, 2, 3, and so on

Integer a number belonging to the set made up of the whole numbers and their opposites

Irrational number a number which, when in decimal form, does not terminate or repeat

Rational number a number which can be written as a ratio in fraction form

Infinite increasing or decreasing without end

Alexus [3.1K]2 years ago

5 0

Answer:

The answer to your question is:

I hope it hepls you

Real number a number which can be written as an infinite decimal

Whole number a number belonging to the set made up of zero and the natural numbers

Natural number a number belonging to the set made up of the numbers that are used to count: 1, 2, 3, and so on

Integer a number belonging to the set made up of the whole numbers and their opposites

Irrational number a number which, when in decimal form, does not terminate or repeat

Rational number a number which can be written as a ratio in fraction form

Infinite increasing or decreasing without end

Step-by-step explanation:

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What is the value of (f-g)(5)? a.-18 b.-4 c.16 d.42

BARSIC [14]

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Simpel use have to use input outpout machine

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10,000 times greater.

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If it takes 6 hours for a plane to travel 720km with a tail wind and 8 hours to make the return trip with a head wind. Find the

denis-greek [22]

The speed of wind and plane are 105 kmph and 15 kmph respectively.

Solution:

Given, it takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip with a head wind.

We have to find the air speed of the plane and speed of the wind.

Now, let the speed wind be "a" and speed of aeroplane be "b"

And, we know that, distance = speed x time.

$\text { Now, at tail wind } \rightarrow 720=(a+b) \times 6 \rightarrow a+b=\frac{720}{6} \rightarrow a+b=120 \rightarrow(1)$

Now at head wind → $720=(a-b) \times 8 \rightarrow a-b=\frac{720}{8} \rightarrow a-b=90 \rightarrow(2)$

So, solve (1) and (2) by addition

2a = 210

a = 105

substitute a value in (1) ⇒ 105 + b = 120

⇒ b = 120 – 105 ⇒ b = 15.

Here, relative speed of plane during tail wind is 120 kmph and during head wind is 90 kmph.

Hence, speed of wind and plane are 105 kmph and 15 kmph respectively.

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2 years ago

Simplify (7+5)^2 divided by 4 x 3 + 9

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((7 + 5)^2) / (4 * 3 + 9) =
(12^2) / (12 + 9) =
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3 years ago

A general contractor is constructing a building that requires a concrete foundation that is to be 20 feet by 12 feet and 4 inche

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First we calculate the volume of the foundation:

Volume (V) = 20 ft * 12 ft * 4 in (1 ft / 12 in)

V = 80 ft^3

Since the cost is in cubic yard (yard^3) so convert:

V = 80 ft^3 * (1 yard^3 / 27 ft^3) = 2.963 yard^3

So the total cost is:

cost = ($125 / yard^3) * 2.963 yard^3

cost = $370.37

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3 years ago

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