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
beks73 [17]
3 years ago
13

Find the difference 16-(-4) i need help ASAP

Mathematics
2 answers:
viva [34]3 years ago
4 0
The answer is 20!
you need to change the subtraction sign to an addition sign and change -4 to a 4. then, solve!
hope this helps!!
garik1379 [7]3 years ago
4 0
The answer your going To end up with is 20
You might be interested in
there are x kids on the wrestling team.yesterday y kids were out sick.what fraction of the kids were absent yesterday
Grace [21]
Y/x kids were absent yesterday
8 0
2 years ago
Read 2 more answers
Which statement is true about whether Z and B are independent events?
telo118 [61]
The answer is the first one im taking that test rn lol
3 0
2 years ago
Read 2 more answers
Let R be the relation on the set of ordered pairs of positive integers such that ((a, b), (c, d)) ∈ R if and only if ad = bc. Ar
Veseljchak [2.6K]

Answer:

The given relation R is equivalence relation.

Step-by-step explanation:

Given that:

((a, b), (c, d))\in R

Where R is the relation on the set of ordered pairs of positive integers.

To prove, a relation R to be equivalence relation we need to prove that the relation is reflexive, symmetric and transitive.

1. First of all, let us check reflexive property:

Reflexive property means:

\forall a \in A \Rightarrow (a,a) \in R

Here we need to prove:

\forall (a, b) \in A \Rightarrow ((a,b), (a,b)) \in R

As per the given relation:

((a,b), (a,b) ) \Rightarrow ab =ab which is true.

\therefore R is reflexive.

2. Now, let us check symmetric property:

Symmetric property means:

\forall \{a,b\} \in A\ if\ (a,b) \in R \Rightarrow (b,a) \in R

Here we need to prove:

\forall {(a, b),(c,d)} \in A \ if\ ((a,b),(c,d)) \in R \Rightarrow ((c,d),(a,b)) \in R

As per the given relation:

((a,b),(c,d)) \in R means ad = bc

((c,d),(a,b)) \in R means cb = da\ or\ ad =bc

Hence true.

\therefore R is symmetric.

3. R to be transitive, we need to prove:

if ((a,b),(c,d)),((c,d),(e,f)) \in R \Rightarrow ((a,b),(e,f)) \in R

((a,b),(c,d)) \in R means ad = cb.... (1)

((c,d), (e,f)) \in R means fc = ed ...... (2)

To prove:

To be ((a,b), (e,f)) \in R we need to prove: fa = be

Multiply (1) with (2):

adcf = bcde\\\Rightarrow fa = be

So, R is transitive as well.

Hence proved that R is an equivalence relation.

8 0
3 years ago
Select the correct answer.
lyudmila [28]

Step-by-step explanation:

A

because degree is power.. so the expression with power of 8 is A

for B, the power is 6

for C the power is 9

and D the power is 2

8 0
2 years ago
What is nine divided by two
ANTONII [103]

Answer: 4.5

Step-by-step explanation:

9/2 = 4.5

have a good day. you have to use division, and plus, 4.5 + 4.5 = 9

5 0
3 years ago
Other questions:
  • In two days, 48,000 gallons of oil gushed out of a well. At what rate did the oil flow from the well?
    14·2 answers
  • if one inch represents 12 feet ,what dimentions whould you use to make a scale drawinng of a building 75 feet by 80 feet?
    15·1 answer
  • Which measurement is the best estimate for the length of a bean?
    15·1 answer
  • Find the distance between the two points rounding to the nearest tenth (if necessary).
    7·1 answer
  • How did you compute the cost of 4 pounds of beef at $5.89 per pound? Use this example to explain your strategy.
    5·1 answer
  • The monthly profit for a company that makes decorative picture frames depends on the price per frame. The company determines
    13·1 answer
  • The width of a rectangular sandbox is two less than twice the length. The perimeter of the sandbox is 26 feet. Identify the leng
    15·2 answers
  • The cost of a service call to fix a washing machine can be expressed by the linear function y = 45 x + 35, where y represents th
    8·1 answer
  • What does y equal??????
    6·2 answers
  • Need the Answer quickly
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!