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Ostrovityanka [42]
3 years ago
5

Is 7/3 rational or irrational

Mathematics
2 answers:
AURORKA [14]3 years ago
8 0

Answer:

Yes 7/3 is a rational number.

Rational numbers include fractions .

Irrational numbers include decimal but not fractions.

pogonyaev3 years ago
6 0

Answer:

rational, yes 7/3 is rational

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This continues for number 1 and 2 plz help me with both I will give Brainlist :)))
sergeinik [125]
Pyramid and cube ....
6 0
3 years ago
I ready scientific notation help
Airida [17]

The required value is 2\times10^9

Step-by-step explanation:

Weight of ants = 4\times10^{-3}

Weight of elephant= 8\times10^6

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

4\times10^{-3} \times a = 8\times10^6

We need to find a:

Solving:

4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9

So, the required value is 2\times10^9

Keywords: Scientific Notation

Learn more about Scientific Notation at:

  • brainly.com/question/11984920
  • brainly.com/question/5565320
  • brainly.com/question/5756316

#learnwithBrainly

4 0
3 years ago
Question 14. A carousel makes one complete revolution every 75 seconds. Levi sits on the carousel 4 feet from its center. If the
garik1379 [7]

Answer:

The correct option is;

H. 32·π

Step-by-step explanation:

The given information are;

The time duration for one complete revolution = 75 seconds

The distance from the center of the carousel where Levi sits = 4 feet

The time length of a carousel ride = 5 minutes

Therefore, the number of complete revolutions, n, in a carousel ride of 5 minutes is given by n = (The time length of a carousel ride)/(The time duration for one complete revolution)

n = (5 minutes)/(75 seconds) = (5×60 seconds/minute)/(75 seconds)

n = (300 s)/(75 s) = 4  

The number of complete revolutions - 4

The distance of 4 complete turns from where Levi seats = 4 ×circumference of circle of Levi's motion

∴ The distance of 4 complete turns from where Levi seats = 4 × 2 × π × 4 = 32·π.

3 0
3 years ago
What is the slope if the line through the points 2/3, 4/7 and 2/3, 11/7
Umnica [9.8K]

The fromula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points \left(\dfrac{2}{3},\ \dfrac{4}{7}\right) and \left(\dfrac{2}{3},\ \dfrac{11}{7}\right)

Substitute:

m=\dfrac{\frac{11}{7}-\frac{4}{7}}{\frac{2}{3}-\frac{2}{3}}=\dfrac{\frac{7}{7}}{0}\ !!!!

<h3>Answer: slope is undefined.</h3><h3 />

It's a vertical line: x=\dfrac{2}{3}

6 0
3 years ago
Here is a solid square-based pyramid.
Anna11 [10]

Answer:

Step-by-step explanation:

A. The front elevation of the pyramid in the direction of the arrow is herewith attached to this answer.

B. Base of the pyramid is a square of side 12 cm.

   The height of the pyramid is 8 cm.

   Slant height, XT, is 10 cm.

The total surface area of the pyramid can be determined by adding the surface areas that make up the shape.

Area of the triangular face = \frac{1}{2} × base × slant height

                                            =  \frac{1}{2} × 12 × 10

                                            = 60 cm^{2}

Area of the square base = length × length

                                         = 12 × 12

                                         = 144  cm^{2}

Total surface area of the pyramid = area of the base + 4 (area of the triangular face)

                              = 144 + 4(60)

                              = 144 + 240

                              = 384 cm^{2}

Therefore, total surface area of the pyramid is 384 cm^{2}.

5 0
3 years ago
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