1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
denpristay [2]
3 years ago
8

Show that the following number is rational: 7.526262626... show all work, discrete math

Mathematics
1 answer:
Lemur [1.5K]3 years ago
6 0

x=7.5\overline{26}\\10x=75.\overline{26}\\1000x=7526.\overline{26}\\1000x-10x=7526.\overline{26}-75.\overline{26}\\990x=7451\\x=\dfrac{7451}{990}

It can be expressed as a fraction with integer numerator and denominator, so it's a rational number.

You might be interested in
If the length is 18 inches and the width is 24 inches what's the area
nekit [7.7K]

Answer:

L x W = 432

Step-by-step explanation:

18 X 24 = 432

6 0
3 years ago
The volume of a cube is 124 cubic inches.<br> What is the side length of the cube?
ivolga24 [154]

Answer:

4.987 in

Step-by-step explanation:

Volume of a cube=  (where x= side)

x³

we know that

124=x³

∛124=x

x=4.986630952 which rounds to

4.987

8 0
3 years ago
Read 2 more answers
How do you check your solutions
Fantom [35]
Reverse your steps to see if u get what the questions originally asked.
8 0
3 years ago
What does the word "of" mean? <br>A. in addition to<br>B. multiply by<br>C. divided by​
Natali [406]

Answer:

B. multiply by

5 0
3 years ago
A tray contains 16 chocolate chip cookies and 12 oatmeal raisin cookies. HOw many ways can a child select 3 cookies that include
pishuonlain [190]

Answer:

Number of ways chosen cookies = 8 ways

Step-by-step explanation:

Given;

Total number of chocolate chip cookies = 16

Total number of oatmeal raisin cookies = 12

Total number of cookies choose = 3

At least 1 chocolate cookie

Find:

Number of ways chosen cookies

Computation;

Number of total ways = 2³

Number of total ways = 8

If at least on cookie is chocolate cookie,

Number of ways chosen cookies = Number of total ways - 1

Number of ways chosen cookies = 9 - 1

Number of ways chosen cookies = 8 ways

6 0
3 years ago
Other questions:
  • School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. How many chaper
    14·2 answers
  • What food joint I s the best​
    6·2 answers
  • Can someone help asap​
    12·2 answers
  • How do I evaluate each using the values given
    9·1 answer
  • A person purchased a ​$239,127 home 10 years ago by paying 15​% down and signing a​ 30-year mortgage at 10.8​% compounded monthl
    11·1 answer
  • A) Expand and simplify.<br> 7(x - 2) - 2(x - 1)<br> b) Factorise fully.<br> 8x2<br> + 6x
    12·1 answer
  • Математика срочно пожалуйста​
    7·1 answer
  • The Unit Circle
    5·2 answers
  • 10. At a fundraiser, students sold chocolate
    6·1 answer
  • What number line shows the solution set to this inequality? -2x + 9 &lt; x − 9
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!