What is the square root of -1?

Answers

Answer 1
Simply, it cannot be done

You can’t find the square root of a negative number, but you can call this imaginary or i

The square root of -1=i

Related Questions

Caroline’s cell phone plan costs $32 per month. Which table shows the sum of the amounts that Caroline will pay for her cell phone plan over the next 4 months?

Answers

Answer:

The first month is $32

The second month is $64

The third month is $96

The fourth month is $128

Step-by-step explanation:

32 plus 32 is 64 and 32 plus 64 is 96 so on

solved these easy question.
1+2=

Answers

uhhh I think it’s 20,000 :)
3 because according to my calculations 1+3-1 equalssss 2

Does anybody know the answer to this math question I’m lost

Answers

Answer:

x-7

Step-by-step explanation:

explain how (-3) x (-3) = 9 using coupons as the real world example

Answers

Answer:

a negative multiplied by a negative is always a positive

Step-by-step explanation:

so, -3 x -3 =9

If you use two coupons that are each for $3 off, you will have saves a total of 9 dollars... hope this helped

81^x=3 what are the same bases on both sides of the equation

Answers

81 = 3⁴, so

81ˣ = 3

(3⁴)ˣ = 3

3⁴ˣ = 3¹

which means

4x = 1

x = 1/4

Consider functions f and g

Answers

Answer: B

f(g(x)) = (3x - 1)² + 7(3x - 1) = 9x² + 15x - 6

Step-by-step explanation:

kari estimated the quotient of -12 1/5 divided by 4 2/5 to be -8. Which best describes her error?

Answers

Answer:

She divided wrong

Step-by-step explanation:

BRAINLY FOR WHO EVER ANSWERS FIRST PLS GIVE THE RIGHT ANSWER

Answers

Answer:

See attached

Step-by-step explanation:

Table F shows the proportional relationship: y = 2x

Plotted points and a line connecting them is attached

helppp me
plssssssssss





Answers

Answer:

the answer is 94

Step-by-step explanation:

Answer:

Step-by-step explanation:

Look at the cups shown below (images are not drawn to scale): A cone is shown with width 3 inches and height 6 inches, and a cylinder is shown with width 3 inches and height 5 inches How many more cubic inches of juice will cup B hold than cup A when both are completely full? Round your answer to the nearest tenth. 18.8 cubic inches 21.2 cubic inches 28.2 cubic inches 49.5 cubic inches

Answers

Answer:

cup B can hold 21.2  cubic in more than cup A when theyre both full, so the answer is cup B.

Step-by-step explanation:

mark is shopping during a computers store 20% sale. He wants to buy computers in the range of $500 to $1000. how much are the computers after 20%

Answers

It's £2000    ( don't have the us money sign sorry )

The cost of computer($1000) after sale is $800.

Given that, a computers store 20% sale. He wants to buy computers in the range of $500 to $1000.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

If cost of computer is $500

Then, 20% of 500 = 0.2×500

= $100

So, after sale the cost of computer is 500-100=$400

Similarly, for other cost as well

If cost of computer is $1000

Then, 20% of 1000 = 0.2×1000

= $200

So, after sale the cost of computer is 1000-200=$800

Therefore, the cost of computer($1000) after sale is $800.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ2

Given m|n, find the value of x.

Answers

x=82

it adds up to 180 so (x+6)+(x+10)=180

what is 4.5 x 10 in standard notation

Answers

Answer:

45

Step-by-step explanation:

#1) **In the xy plane, the graph of which of the following equations has a slope of -2 and goes through the point (3.-5)?​

Answers

The equation of the line on the xy-coordinate graph ... is the distance from the center of the base to a point on the circumference of the top of the can?

A box contains orange balls and green balls. The number of green balls is six more than four times the number of orange balls. If there are 86 balls altogether, then how many green balls and how many orange balls are there in the box?

Answers

This is your answer

16/20 as a decimal?

Answers

0.8 because 16/20 is reduced to 4/5

[15 points] PLEASE HELP!
A university's freshman class has 4800 students. 76% of those students are majoring in Economics. How many students in the freshman class are Economics majors?

Answers

Answer:

the answer is 3648 students

Step-by-step explanation:

Enter an equation in point-slope form for the line. (6,8) and (7,1) is on the line. The equation of the line in point slope form is:

Answers

Answer:

[tex] y - 8 = -7(x - 6) [/tex] or [tex] y - 1 = -7(x - 7) [/tex]

Step-by-step explanation:

The point-slope form equation is [tex] y - b = m(x - a) [/tex], where,

(a, b) = a point on the line.

[tex] m = slope = \frac{y_2 - y_1}{x_2 - x_1} [/tex]

Given the two points, (6, 8) and (7, 1), find the slope of the line:

[tex] m = \frac{1 - 8}{7 - 6} [/tex]

[tex] m = \frac{-7}{1} [/tex]

[tex] m = -7 [/tex]

There are two possible point-slope equation we can come up with using each points on the line given.

Using the point (6, 8) and m = -7,

Substitute m = -7, a = 6, and b = 8 into [tex] y - b = m(x - a) [/tex]

[tex] y - 8 = -7(x - 6) [/tex]

Using the point (7, 1) and m = -7,

Substitute m = -7, a = 7, and b = 1 into [tex] y - b = m(x - a) [/tex]

[tex] y - 1 = -7(x - 7) [/tex]

-2+2-0-2=?
can someone explain the answer for this​

Answers

-2 + 2 = 0

0 - 0 = 0

0 - 2 = -2

Hope this helps and ha e a nice day!!!

Answer:

-2

Step-by-step explanation:

-2 is two less than 0. if you add 2 to this, you get 0. if you take away 0 from 0, it is still 0. if you take away two from 0, you get -2. so the answer is -2

enter the value of x. the diagram is not to scale

Answers

Answer:

Sorry i cant help

Step-by-step explanation:


Mrs. Miner bought a 25 ounce smoothies that has 450
calories. How many calories does the smoothie have per
ounce? Pls help me.

Answers

Answer:

18

Step-by-step explanation:

450/25=18

18
450 divided by 25

Sarah mailed her computer to Store B for repairs. Her bill was:

Initial Repair Cost = $1,350

Sales Tax of 7 percent = $94.50

Total Cost of Computer Repair = $1,444.50

Shipping = 2 percent of Total Cost

Which expression would you use to find the shipping cost?
0.2($1,350)
0.2($1,444.50)
0.02($1,350)
0.02($1,444.50)

Answers

Answer:

0.02 (1444.50)

Step-by-step explanation:

Answer:0.02(1444.50)

Step-by-step:

to figure out the shipping cost we would just multiply the shipping percent by the total cost of the computer. however we cant leave the '2 percent' as it is we would have to multiply it by 100. giving us .02 which we can then use to multiply

The values in the table represent the graph of a continuous function. Which interval must contain an x-intercept? x y –3.1 –1.85 –2.7 –0.84 –2.3 –0.09 –1.9 0.44 –1.5 0.79 –1.1 1.00 –0.7 1.10 –0.3 1.13 0.1 1.13 –3.1 < x < –2.7 –2.3 < x < –1.9 –1.5 < x < –1.1 –0.3 < x < 0.1

Answers

Given:

The values in the table represent the graph of a continuous function.

To find:

The interval that must contain an x-intercept.

Solution:

From the given table it is clear that, initially y-values are negative but after negative values we get y=0.44 at x=-1.9.

This signs of y-value are different, it means the graph of continuous function must contain an x-intercept in the interval -2.3 < x < -1.9.

Therefore, the correct option is B.

Answer:

Its , -2.3 < x < -1.9

Step-by-step explanation:

Edge 2020

A rectangle with area 55 square inches has a length that is four less than three times the width.

Answers

Answer:

the length is 11

the width is 5

Step-by-step explanation:

5 times is 15 and 11 is 4 less than 15 :)

use the diagram to solve x and y​

Answers

Answer:

x = 54°

y = 144°

Step-by-step explanation:

x° + 36° = 90° (complementary angles)

Subtract 36° from each side of the equation

x° = 90 - 36°

x = 54°

y° + 36° = 180° (angles on a straight line/supplementary angles)

Subtract 36° from each side

y° = 180° - 36°

y = 144°

During bowling practice, Marley rolled 14 strikes out of 70 attempts.
What percent of Marley’s attempts were strikes? Enter your answer in the box.

Answers

Answer:

20%

Step-by-step explanation:

to find out we make it a fraction:

14/70

then divide

14÷70=0.2

then times it by 100

= 20%

Answer:

20%

Step-by-step explanation:

[tex]\frac{14}{70}[/tex] = [tex]\frac{x}{100}[/tex]

14 x 100 = 1400

1400/ 70 = 20%

express each relation as a table and a graph. then state the domain and range.
{(8, 5) , (-6, -9), (2, 5), (0, -8)}​

Answers

Answer:

domain: {-6, 0, 2, 8}

range: {-9, -8, 5}

dont forget the braces {,}

Step-by-step explanation:

Evaluate the expression when a=3 and c = -2. C-5a

Answers

Answer:

-17

Step-by-step explanation:

c - 5a

substitute c for -2

-2 - 5a

substitute a for 3

-2 - 5*a

-2 - 5*3

-2 - 15

-17

what is ─2c – 2 = ─3c – 8 solved for the variable?

Answers

Answer:

c = -6

Step-by-step explanation:

C is your variable

-2c - 2 = -3c - 8

+3c              +2

1c = c       -8 +2 = -6

c = -6

:)

-2c-2=-3c-8

Add 3c to both sides

-2x+3c-2=-8

Simplify

C-2=-8

Add 2 to both sides

C=-8+2

Simplify

C=-6

Assume that emergency medical personnel in California are planning for future resources and it has been observed that the average number of traffic accidents requiring ambulance assistance on the Hollywood Freeway between 7 and 8 AM on Wednesday mornings is 1.1. What, then, is the probability that there need for exactly 2 ambulances on the Freeway during that time slot on any given Wednesday morning?

Answers

Answer:

Answer is 0.5

Step-by-step explanation:

The text implies that the number of traffic accidents determines the number of ambulances required on the road. Hence, 1 traffic accident requires 1 ambulance.

The time slot and time of day remain same in both the text and the question.

The average or mean number of accidents is 1.1

QUESTION: What then is the probability that there is need for exactly 2 ambulances on that road and in that time frame?

In other words, what is the probability that there'll be 2 accidents on that road and in that time frame?

Since the mean number of accidents is 1.1,  2 is above the mean.

Probability of 1.1 accidents is 1, since that's the mean (expected value).

Probability of 2 accidents is 1/2 which is = 0.5

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