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astraxan [27]
2 years ago
6

I need advice on this answer not good at math​

Mathematics
2 answers:
Temka [501]2 years ago
5 0

Answer:

A rational number is defined as a number that can be written as a fraction and a number that terminates.

An irrational number is defined as a number that can't be written as a fraction and a number that has no end.

Step-by-step explanation:

4/7 is irrational because, in decimal form, it is 0.57142857...

Square root of 30 is also irrational because the square root is 5.47722557...

21 divided by square root of 4 is rational because square root of 4 is 2 and 21 divided 2 is 10.5.

pi is irrational because, in decimal form, it is 3.14159265....

-27 is also rational because it terminates

madreJ [45]2 years ago
5 0

Answer:

4/7 rational, Sq root 30 irrational, 21/Sq root 4 rational, pi irrational, -27 irrational

Step-by-step explanation:

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Find the slope from the table using the slope formula.
mario62 [17]

Answer:

Slope is 2/3

Step-by-step explanation:

What you can do is use the first two coordinates. This would get the formula to look like this:

\frac{4 - 2}{6 - 3}

From here you get ⅔ for the slope.

4 0
2 years ago
Can you guys please help me? Thanks!
olga2289 [7]
you are correct, it is one to two
4 0
3 years ago
Can someone please help me with this
lord [1]
Number 1
37.50 divide by 5.25 and the answer is 7
4 0
3 years ago
-5(n - 5) -5 what is the n?
scoray [572]

Answer:

-5 x (4-n)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
For a circle with a radius of 15 cm, what is the length of an arc intercepted by an angle measuring 120°?
slega [8]

Answer: 31.43 cm

Step-by-step explanation:

The length of an arc  is calculated using the formula:

\frac{theta}{360} X 2\pir

where : theta is the angle in degree

r = radius

If the angle is given in Radian , the length can be calculated using the formula:

L = r∅

Since , the angle is given in degree , we will use the first formula.

L = \frac{theta}{360} X 2\pir

L = \frac{120}{360} X 2 X π X 15

L = \frac{1}{3} X 2 X \frac{22}{7} X 15

L = \frac{660}{21}

L = 31.42857143

L ≈ 31.43 cm

5 0
3 years ago
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