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2 years ago

Is 2/3 a rational or irrational

Mathematics

2 answers:

anygoal [31]2 years ago

8 0

Answer:

it is a rational number

Step-by-step explanation:

hope dis helps ;D

bagirrra123 [75]2 years ago

8 0

Answer:

irrational

Step-by-step explanation:

A rational number is one that can be written as the ratio of two integers. For example 3=3/1, −17, and 2/3 are rational numbers.So in that case 2/3 is irrational.

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Jean listed the steps involved in the life cycle of a gymnosperm. 1 - The pollen gets stuck in a sticky liquid. 2 - Sperm from t

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Answer:

Step-by-step explanation:

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1 year ago

There are 12 inches in a foot. Find the number of inches in 6 feet

Scrat [10]

Answer:

72 inches

Step-by-step explanation:

12 × 6 = 72

Answer: There are 72 inches in 6 feet

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2 years ago

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The length of a rectangular frame is 5 cm more than the width. The area inside the frame is 66 square cm. Find the width of the

Ratling [72]

For this case we have that the area is given by:
A = (w) * (l)
Where,
w: width
l: long
Substituting we have:
66 = (w) * (w + 5)
Rewriting
w ^ 2 + 5w - 66 = 0
(w + 11) * (w-6) = 0
Using the positive root we have:
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Answer:
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2 years ago

Write the number 40/100 as tenths in fraction form and decimal form.

Stolb23 [73]

What is 40/100 as a decimal?
To write 40/100 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 40 by 100 what we write down as 40/100 and we get 0.4

And finally we have:
40/100 as a decimal equals 0.4

5 0

2 years ago

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Find the product of all positive integer values of $c$ such that $3x^2+7x+c=0$ has two real roots. I will award a lot of points

Agata [3.3K]

Answer: 24

Step-by-step explanation:

Let's find one solution:

3x² + 7x + c = 0

a=3 b=7 c=c

First, let's find c so that it has REAL ROOTS.

⇒ Discriminant (b² - 4ac) ≥ 0

7² - 4(3)c ≥ 0

49 - 12c ≥ 0

-12c ≥ -49

$c\leq\dfrac{-49}{-12}\quad \rightarrow c\leq \dfrac{49}{12}$

Since c must be a positive integer, 1 ≤ c ≤ 4

Example: c = 4

3x² + 7x + 4 = 0

(3x + 4)(x + 1) = 0

x = -4/3, x = -1 Real Roots!

You need to use Quadratic Formula to solve for c = {1, 2, 3}

Valid solutions for c are: {1, 2, 3, 4)

Their product is: 1 x 2 x 3 x 4 = 24

7 0

2 years ago