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
olya-2409 [2.1K]
3 years ago
13

Which expression is equivalent to: −20+(−60)+(−90)? A: 20+60+90 B: −(20−60)+(−90) C: −20−(60−90) D: −20+(−90)+(−60)

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

-140

Step-by-step explanation:

You might be interested in
Air-USA has a policy of booking as many as 24 persons on an airplane that can seat only 22. (Past studies have revealed that onl
Alex17521 [72]

Answer:

B. no, it is not low enough

A. no, it is not low enough

Step-by-step explanation:

Given that Air-USA has a policy of booking as many as 24 persons on an airplane that can seat only 22.

Prob for  a random person booked arrive for flight = 0.86

No of persons who books and arrive for flight, X is binomial, since there are two outcomes and each person is independent of the other

The probability that if Air-USA books 24 persons, not enough seats will be available

= P(X=23)+P(x=24)

= 0.1315

B. no, it is not low enough

-------------------------------

The prob we got is >10% also

A. no, it is not low enough

7 0
3 years ago
PLZ HELP!! I REWARD BRAINLIEST. plz no silly answers i grinded for these points
Tasya [4]

Answer:

  • 180° - 1/2(α + β)

Step-by-step explanation:

<u>The two angles of the triangle ADB are:</u>

  • m∠A/2 and m∠B/2 or
  • α/2 and β/2

<u>The three interior angles add to 180°, so the missing angle is:</u>

  • m∠ADB = 180° - 1/2(α + β)
5 0
3 years ago
What is the number in scientific notation? ​0.000013
leva [86]
13^6 you whould have to move the decimal over 6 times :)
5 0
3 years ago
Read 2 more answers
Which of the equations below represents a line parallel to the x-axis? A. x=5 B. y=1/x C. y=x D. y=5
coldgirl [10]
I believe it’s D. Y=5
If it’s not right , I apologize
Good luck
5 0
3 years ago
Solve systems of equations algebraically x+4y=3 and 2x-3y=17<br> what is the system of equations
Snezhnost [94]
Type the equations to a website called maths papa-using their algebra calculator, i highly recommend it, it shows all the working clearly and the answers are always correct
6 0
3 years ago
Other questions:
  • A researcher is studying the monthly gross incomes of drivers for a ride sharing company. (Gross incomes represent the amount pa
    11·1 answer
  • How can you use a number line to compare and order numbers?
    8·1 answer
  • A spherical water tank holds 7500 feet^3 of water. what is the diameter?
    5·1 answer
  • lung cancer kills about 3,000 people per day. if 90% of the deaths from luung cancer are attributted to smoking, what is the rat
    12·1 answer
  • Could I please have some help​
    6·1 answer
  • What is the x-intercept and the y-intercept of the graph of 2x+6y=18
    11·1 answer
  • Find the product.<br> (z + 3i)(z − 3i)
    9·1 answer
  • Use the remainder theorem to find the remainder for (x ^5 + 32) divided by (x+2) and state whether or not the binomial is a fact
    11·2 answers
  • Please help me <br> I give points and have a a explication
    11·1 answer
  • Whats 1 added up to 1?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!