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
Hitman42 [59]
3 years ago
12

Which expression is equivalent to 13 - -21

Mathematics
1 answer:
Ber [7]3 years ago
5 0
13 + 21 = 13- -21

The minus sign and negative cancel each other out.
You might be interested in
If a = -2, b = 6, and c = -5, find the value of a(3a² + 2ac)
sp2606 [1]
(-2)(3*4+2(-2)(-5)) = -2(12+20) = -2(32) = -64
7 0
3 years ago
Pick your answer is it <br> A <br> B <br> C or <br> D
aleksley [76]

Answer:

I belive its B,C

sorry if i'm wrong but hope it helps

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Solve the inequality and describe the solution set:<br> y-6 ≥ 12
Finger [1]
Y<span>≥18

You want to get the y only on one side of the equation. To get rid of the -6 you  have to add 6 to both sides to even out the equation.

y-6</span><span>≥</span><span>12
 +6 +6
y </span>≥18
3 0
3 years ago
Read 2 more answers
If a current of 12 amps produces 480 volts across a resistor then how many volts does a 15 amp produce?​
LekaFEV [45]

Answer:

600 volts

Step-by-step explanation:

Given =

A = 12 ampere

V = 480 volts

A2 = 15 ampere

Solution =

R = V/I

= 480 / 12

= 40 ohms

R = V / I

V = R x I

= 40 x 15

= 600 volts

7 0
3 years ago
Carl types 180 words in 2 minutes. What is the number of words Carl types in 5 minutes?
LekaFEV [45]
450

180 / 2 = 90

90 x 5 = 450
6 0
3 years ago
Read 2 more answers
Other questions:
  • A set of equations is given below:
    11·2 answers
  • Plz help!!
    14·1 answer
  • Somebody can help me please
    8·1 answer
  • If the store currently charges a price of $50, then increases that price to $60, what happens to total revenue from shoe sales (
    11·1 answer
  • It takes teccance 5 minutes to read 1 pages. Of terrance read for about an hour estimate how many pages he should read
    15·2 answers
  • The calorie count of a serving of food can be computed based on its composition of​ carbohydrate, fat, and protein. The calorie
    14·2 answers
  • Cesar bought 20 boxes pizza. He gave 14 boxes of pizza to his classmates. Write the percentage of pizza left.​
    11·1 answer
  • A student bikes 1/4 miles to school. After school, the student bikes 1/3 miles to a cousin’s house. Finally, the student bikes 7
    14·1 answer
  • At a 5 % annual interest rate, a principal of $2,000 earns $ 400. How long was the principal invested?
    5·1 answer
  • Find the value of each variable
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!