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nalin [4]
2 years ago
10

What is 5.138 + 2.624 = ? (show ur work)

Mathematics
1 answer:
Mrac [35]2 years ago
3 0

Answer:

7.762

Step-by-step explanation:

Brainliest!

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I need help and please explain to me how you got the answer
maksim [4K]

Answer:

B

Explanation:

7 0
2 years ago
Use the Pythagorean theorem to find the distance between the points (1,1) and (5,7).?
Fynjy0 [20]

Check the picture below.

7 0
2 years ago
What does i^739 equal? explain how you found your answer.
Sophie [7]
<h3>Answer:   -i</h3>

========================================================

Explanation:

i = sqrt(-1)

Lets list out the first few powers of i

  • i^0 = 1
  • i^1 = i
  • i^2 = -1
  • i^3 = i*i^2 = i*(-1) = -i
  • i^4 = (i^2)^2 = (-1)^2 = 1

By the time we reach the fourth power, we repeat the cycle over again (since i^0 is also equal to 1). The cycle is of length 4, which means we'll divide the exponent over 4 to find the remainder. Ignore the quotient. That remainder will determine if we go for i^0, i^1, i^2 or i^3.

For example, i^5 = i^1 because 5/4 leads to a remainder 1.

Another example: i^6 = i^2 since 6/4 = 1 remainder 2

Again, we only care about the remainder to find out which bin we land on.

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

Turning to the question your teacher gave you, we have,

739/4 = 184 remainder 3

So i^739 = i^3 = -i

<h3>-i is the final answer</h3>

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

Side notes:

  • if i^a = i^b, then a-b is a multiple of 4
  • Recall that the divisibility by 4 trick involves looking at the last two digits of the number. So i^739 is identical to i^39.
4 0
2 years ago
What is the answer to the following algebra question: 2x + 7(4x + 3) =
svlad2 [7]
1) Distribute
2x + 28x + 21

2) Combine like terms
30x + 21

Since there are no more like terms, 30x and 21 cannot be combined. Therefore, the answer is 30x+ 21
6 0
3 years ago
Read 2 more answers
Which is an example of an algebraic expression?
azamat
An algebraic expression doesnt have an equals sign or an inequality sign. 

So,

A is an expression
B is an inequality
C is an equation
D is an in inequality

So the answer is A
5 0
3 years ago
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