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Ksju [112]
3 years ago
12

Which property of addition is shown below?

Mathematics
1 answer:
Shkiper50 [21]3 years ago
4 0

Answer: Last option

inverse property

Step-by-step explanation:

The property of the inverse sum says that if we have a number b and we add it with its negative -b then

b - b = 0

In this case we have that:

x = a + bi

and

y = -b - bi

Note that

y = -x

Therefore:

x + y = x -x= a + bi - a - bi = 0

the answer is the last option

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Which of the following is the solution of the equation 3x + 4=19 use substitution to identify the correct answer
Ugo [173]

Answer:

5

Step-by-step explanation:

Step 1:

3x + 4 = 19

Step 2:

3x = 19 - 4

Step 3:

3x = 15

Answer:

x = 5

Hope This Helps :)

5 0
3 years ago
Read 2 more answers
10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?
Rudik [331]

Answer:

No Solutions

Step-by-step explanation:

When you set up the equation 2x + 10 = 2x + 50, and you subtract 2x from both sides you get 10 = 50, which obviously is never true...

4 0
3 years ago
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Can you please help me ​
natima [27]
I think it’s the last answer.
4 0
3 years ago
I need help with my homework please answer this correctly
masya89 [10]

The correct answer is "3".

8 0
4 years ago
Answer please due today
mezya [45]

Answer:

CD=9

Step-by-step explanation:

ΔABD=>

AD²=AB² + BD²                  [Pythagorean Theorem]

BD²=   AD²-AB²

BD²=9²-3²

BD²=72

BD=√72=6√2....(1)

ΔBCD=>

CD²=BD²+BC²

CD²=(6√2)² + 3²

CD²=72+9

CD²=81

CD=√81

CD=9

5 0
3 years ago
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