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
inna [77]
2 years ago
10

Which expression is equivalent to 13 - (-21) ?

Mathematics
2 answers:
kifflom [539]2 years ago
5 0
The answer is 'Choice A'
BaLLatris [955]2 years ago
4 0

Answer:

Choice A

Step-by-step explanation:

Negative times negative equals positive, is -21 would change to positive 21

Hope this helps!

You might be interested in
14 POINTS! PLEASE HELP!!!!
aleksandr82 [10.1K]

Answer:

Do (8, -9) times 5 for both numbers

Step-by-step explanation:

3 0
3 years ago
In which graph is y a direct variation of x?<br> A.<br> B.<br> C.<br> D.
TEA [102]

Answer:

D

Step-by-step explanation:

The line is going through the origin.

8 0
2 years ago
What are the rules for rotating a figure about the origin?
Anastaziya [24]

A

Step-by-step explanation:

90 Degree Rotation. When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). ...

180 Degree Rotation. When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). ...

270 Degree Rotation.

6 0
3 years ago
Solve arctan(-sqrt(3))
tatyana61 [14]
We are given with the expression arctan(-sqrt(3)) and asked to evaluate it. In this case, we can use a calculator or the rule of common triangles to answer this question. the value of <span>arctan(-sqrt(3)) is -60. Since negative tan is found in 2nd and 4th quadrant, the angles are 180-60 or 120 degrees and 360-60 or 300 degrees.</span>
6 0
3 years ago
a transformation of a rectangle ABCD results in rectangle ABCD whch transformation maps the pre-image to the image
hoa [83]

Answer:

dilation

Step-by-step explanation:

did it on edge 2020

Pls make me brainliest much appreciated

3 0
2 years ago
Other questions:
  • 0.01 divided 12.9 in long division
    11·1 answer
  • Plz help fast I need the done don’t understand
    13·1 answer
  • At its farthest,Pluto is 4583 million miles from sun. Write this number using standard notation and explain your answer
    8·2 answers
  • An investment of $1,800 in the stock market
    8·1 answer
  • Which represents the solution(s) of the system of equations, y = x2 – 2x – 15 and y = 8x – 40? Determine the solution set algebr
    5·1 answer
  • What is the slope of a line parallel to the line whose equation is 3x−2y=18. Fully reduce your answer.
    14·2 answers
  • Please help I WILL OFFER 20 POINTS! - Keisha, Bob, and Tom sent a total of 132 text messages over their cell phones during the w
    14·1 answer
  • HELPP I NEED THIS BY 2:30
    15·1 answer
  • Answer please !?? !!!
    8·2 answers
  • A man drove 450 mi. at an average rate of 45 mi./hr. How long did it take him?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!