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8_murik_8 [283]
3 years ago
7

What is rational number​

Mathematics
1 answer:
Talja [164]3 years ago
8 0

Answer:

A rational number is a number that can be express as the ratio of two integers. ... However, one third can be express as 1 divided by 3, and since 1 and 3 are both integers, one third is a rational number. Likewise, any integer can be expressed as the ratio of two integers, thus all integers are rational.

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WHAT IS THE RIGHT ANSWER? HELP PLS!
Art [367]
<h3>Answer: Choice B</h3>

=============================================

Explanation:

If you graphed the equation 2x-5y = 14, you'll find it has a positive slope. It turns out the slope in this equation is 2/5, which is positive. A positive slope means the line goes uphill as you move from left to right. This means we can rule out choice because of this (since we want the line to slope downward).

Now let's turn to choice D. If we multiply both sides of the first inequality by -1, then we go from -2x-5y \le 14 to 2x+5y \ge -14. Note the inequality sign flips. This always happens when we multiply both sides by any negative number. The inequality 2x+5y \ge -14 implies that the shaded region will be above the boundary line, but this contradicts the drawing which shows the shaded region is below the diagonal boundary line. We can rule out choice D because of this. Choice A can be ruled out for similar reasoning.

You should find that only choice B is left. The diagonal line is 2x+5y = 14, and we shade below this boundary line, as well as shading to the right of the y axis (to indicate all values have positive x coordinates). Values on the boundary count as solution points as well.

3 0
3 years ago
What are the period P and frequency T of oscillation of a pendulum of length one half​ft? (Hint: Upper P equals 2 pi StartRoot S
guajiro [1.7K]

Answer:

P'=P \sqrt{\dfrac{1}{2}}

T ' = √2 T

Step-by-step explanation:

Given that

Time period = P

Frequency = T

We know that time period for pendulum given as

P=2\pi \sqrt{\dfrac{L}{g}}

When the length become half then time period will become p'

L'=L/2

P'=2\pi \sqrt{\dfrac{L'}{g}}

P'=2\pi \sqrt{\dfrac{L}{2g}}

P'=P \sqrt{\dfrac{1}{2}}

It means that time period will become 0.707 P.

We know that frequency T

T= 1 /P

T'  = 1/P'

T'=√2/P

T ' = √2 T

8 0
3 years ago
Convert this franction into a percentage 9/12?
kolbaska11 [484]

<span>Hello, Yoloalanis. In order to solve this question that you have just posted, you only have to do a few simple steps. So, We can do this!</span>

<span />Let's start with your fraction. You will first have to change 9/12 into a decimal. In order to do this, you will have to divide the numerator by the denominator. A numerator is also known as the top part of the fraction. A denominator is the bottom part of the fraction. So, when you divide nine by twelve, you get 0.75 as a decimal. Now, you just have to multiply the decimal by 100 or to make it simpler, just move the decimal two places to the right. To sum it all up, you will get 75%.

Hope it helps :)

5 0
4 years ago
Read 2 more answers
The price of 50 litres of petrol is £36, find the price of each litre of petrol.
Slav-nsk [51]
50/36 = 1.39 per litre (or 1.86 dollars for those in the United States)
7 0
3 years ago
The measures of the angles of a triangle are shown in the figure below. Solve for x.
iris [78.8K]

Answer:

26 degrees

Step-by-step explanation:

180 - 48 = 132 - 106 = 26

this one should work

6 0
3 years ago
Read 2 more answers
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