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3 years ago

If i= the square root of -1, what is the value of i to the 3rd power

Mathematics

1 answer:

serious [3.7K]3 years ago

3 0

I^3 = i^(2+1) = i^2 x i -1 x i = -i

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Sandra is driving from Houston, Texas to Birmingham, Alabama. The distance between the two cities is 675 miles.

Pavel [41]

Answer:

125 miles

Step-by-step explanation:

1) 675-425 = 250

2) 250/2 = 125

3) 125 miles before she needs to stop

5 0

3 years ago

The age of a boy is twice that of his sister. five years ago the boy was 3 times the age of his sister. How old is the boy

joja [24]

Answer:

<h2>20 years old.</h2>

Solution,

Let the age of sister be X

Let the age of boy be 2x

Now,

Five years ago,

 $3(x - 5) = 2x - 5 \\ or \: 3x - 15 = 2x - 5 \\ or \: 3x - 2x = - 5 + 15 \\ x = 10$ 

Again,

Replacing value,

 $age \: of \: boy = 2x \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 10 \\ \: \: \: \: \: \: \: \: \: \: \: = 20$ 

hope this helps..

Good luck on your assignment..

7 0

3 years ago

How many petals are present when there are 12 leaves

Liono4ka [1.6K]

B. 30 petals
there is a pattern.

4 0

2 years ago

Type SSS, SAS, ASA, SAA, or HL to

Tems11 [23]

9514 1404 393

Answer:

ASA

Step-by-step explanation:

The shared angle, the marked angle, and the marked sides between those angles are congruent. That is, you have congruent Angle, Side, Angle, so the ASA postulate applies.

6 0

3 years ago

What is the y intercept of the line 2x + 3y - 9 = 0

Sindrei [870]

$\hbox{y-intercept: } x=0 \\
2 \times 0+3 y -9=0 \\
3y-9=0 \\
3y=9 \\
y=\frac{9}{3} \\
\boxed{y=3}$

4 0

3 years ago