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SIZIF [17.4K]
2 years ago
6

Please answer i need help

Mathematics
2 answers:
natima [27]2 years ago
4 0
<h3>Answer: A) 5 - 3i</h3>

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

Work Shown:

5 - \sqrt{-9}\\\\5 - \sqrt{-1*9}\\\\5 - \sqrt{-1}*\sqrt{9}\\\\5 - i*3\\\\5 - 3i\\\\

In step 3, I used the rule \sqrt{x*y} = \sqrt{x}*\sqrt{y}

Afterward, we use the definition that i = \sqrt{-1}

White raven [17]2 years ago
3 0

Answer:

5-3í

Step-by-step explanation:

Because the root of nine is three, equaling 5-3í

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Identifying Possible Triangles
Masja [62]

Answer:

3rd triangle can be constructed with dimensions 2,6,7.

Step-by-step explanation:

sum of any two sides > third side.

difference of any two sides < third side

1.

8+5=13 not >14 (no triangle.)

2.

7+8=15 not >15 (no triangle)

3.

2+6=8>7

2+7=9>6

7+6=13>2

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4.

6+3=9 not >10 (not a triangle)

5 0
2 years ago
Find the value of the following 1.8456×101​
Alex Ar [27]

Answer:

186.4056

Step-by-step explanation:

Used a calculator, this is correct

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2 years ago
Read 2 more answers
Jenna found three solution to a linear equation she graphed them, but they don't lie in a straight line. What errors could jenna
steposvetlana [31]

Answer:

A system of linear equation could only have 1 solution. This is because the straight lines will only have to meet, cross, or intersect each other once.

A system of linear equation could only have 1 solution. This is because the straight lines will only have to meet, cross, or intersect each other once.

There are many different methods in arriving to the final answer. However, errors cannot be perfectly avoided. One of these errors to mistakenly identify equations as linear. It is important that we know that the equations we are dealing with are of exact or correct  characteristics.

Also, if she had used substitution method, she might have mistakenly taken the value of one variable for the other.

5 0
3 years ago
Write an expression for "7 less than y."
lisov135 [29]

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(y - 7)

Step-by-step explanation:

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3 0
2 years ago
Question in attached file
Dovator [93]
13 is C, √10
Rational numbers are numbers that can be expressed as a ratio, or a fraction.


14 is C, 9.5 × 10^5 
7 0
3 years ago
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