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
inn [45]
3 years ago
8

Is that rational or irrational

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0
Irrational

We know that pi is irrational (we can’t express it as a ratio of two numbers), and we are multiplying it by a rational number (-2). However -2 lots of something with infinite digits, will still have infinite digits, therefore it is irrational.
You might be interested in
10. fossils are found only in _____. sedimentary rocks intrusive igneous rocks metamorphic rocks extrusive igneous rocks
Rashid [163]
Fossils are only found in sedimentary rocks. 
3 0
3 years ago
Read 2 more answers
The hypotenuse of a 45°-45°-90° triangle measures 128 cm. A right triangle is shown. The length of the hypotenuse is 128 centime
Aleks [24]

Answer:

64√2 or 64 StartRoot 2 EndRoot

Step-by-step explanation:

A 45-45-90 traingle is a special traingle.  Let's say one of the leg of the triangle is x. The other one is also x because of the isosocles triangle theorem.  Therefore, using the pytagorean theorem, you find that x^2+x^2=c^2.  2(x)^2=c^2.  You then square root both sides and get c= x√2.  

Therefore, the two legs are x and the hypotenuse is x√2.  x√2=128 because the question says that the hypotenuse is 128.  Solve for x by dividing both sides by √2.  X=128/√2.  You rationalize it by multiplying the numberator and denominator of the fraction by √2.  √2*√2= 2.

X=(128√2)/2= 64√2 cm.

Since X is the leg, the answer would be 64√2

3 0
3 years ago
Read 2 more answers
Which is not true about the function graphed<br> below?
Tom [10]

Answer:

B. The range of the function is all real numbers

8 0
3 years ago
What common side does ΔABC share with ΔADC?<br><br><br> BC<br><br> AD<br><br> BD<br><br> AC
Zarrin [17]
I think it’s AC, but I may be wrong
6 0
2 years ago
Read 2 more answers
10x +y =6 written in slope intercept form​
hodyreva [135]

Answer:

y = -10x + 6

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Other questions:
  • What os the slope of a line that is perpendicular to the line shown
    8·1 answer
  • Laurie was scuba diving. Each time she dove 5 feet deeper, she would stop and clear her ears. Each time that this totaled 20 fee
    11·2 answers
  • Can someone help me solve this problem (i)-(7-8i)
    11·2 answers
  • 45 points! Help me on the attached file, please :D
    6·1 answer
  • Find the nearest degree PLS HELP
    12·1 answer
  • Name the part of the given expression that is asked. What is "20" in the expression: 7x - 15y + 20
    12·1 answer
  • Casey buys a bracket for. She pays for the bracelet and pays $0.72 in sales tax. The sales tax is 6%. What is the Original price
    9·1 answer
  • PLEASE HELPPP ITS A TEST THAT IS DUE IN LIKE 20 MIN THIS IS THE LAST QUESTION.
    9·2 answers
  • 1. <br> Which is the graph of the exponential function y = 0.5(0.5)x?
    12·1 answer
  • Please help me :)<br> i need answers to A and B
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!