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
Andrei [34K]
3 years ago
11

Let a and b be rational numbers. Is a – b rational or irrational?

Mathematics
1 answer:
topjm [15]3 years ago
7 0

Answer:

Rational

Step-by-step explanation:

Since a and b are rational, a - b has to be rational because we are not dividing them. 2 rational numbers subtracted from each other is always a rational number.

Example: 34 (rational) 23 (rational)

34 - 23 = 11 (rational)

You might be interested in
The null and alternative hypotheses are given. Determine whether the hypothesis test is​ left-tailed, right-tailed, or​ two-tail
Dahasolnce [82]

Answer:  The parametric is being tested here is "p" (population proportion).

The hypothesis test is​ left-tailed.

Step-by-step explanation:

Given : The null and alternative hypotheses are

H_0:\ p=0.2\\\\H_1:\ p

The parametric is being tested here is "p", where p stands for population proportion.

Also, the type of test depends on the alternative hypotheses.

Since the alternative hypotheses is left-tailed, so the hypothesis test is​ left-tailed.

8 0
3 years ago
PLEASE HELP. Write the equation in slope-intercept form for the line that contains the points
madam [21]

Answer:

y=2x-11

Step-by-step explanation:

3 0
3 years ago
maria walks 22 feet, then goes another 40 feet on a path that makes a 70 degree angle with the path she was on. how far is she,
hammer [34]

Answer:

132 feet

Step-by-step explanation:

22+60+70

7 0
3 years ago
Pleaseee help with this question!!
Grace [21]
Answer: angle JKG= 26
8 0
3 years ago
Help me on question 4 plssssssssssss its science not maths
olga55 [171]

Answer:

idk

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • 5m-3/63 = 9/21 solve for m
    15·2 answers
  • Help me with think through math
    11·1 answer
  • How to write 5.85 as a percent
    12·2 answers
  • How do u do this and what’s the anwser in struggling ?
    14·2 answers
  • At the beginning of a week, a stock’s price is $9.40 per share. For that entire week, the stock’s price decreased at a steady ra
    15·2 answers
  • Solving a right triangle (ROUND TO THE NEAREST TENTH)
    11·1 answer
  • If a roadrunner bird can run 14 miles per hour, that's 7 times faster than an ostrich can walk. How fast does an ostrich walk?
    10·1 answer
  • Simplify. a - {4 b - [ a - (5 b - c ) + 3 c - ( a - b - 9 c )]}
    12·1 answer
  • Milan drove 754 miles in 13 hours.
    10·1 answer
  • Name a point that is collinear with points B and I .
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!