Select the solutions of the equation.(select all that apply)
x2+4= 0
A.-2i
B.-2
C. 2i
D.2

Answers

Answer 1
Answer A and C

This is because it is the sqrt(-4)
Answer 2
The correct answer is A and C

Related Questions

35 × 5/2=?
5 × 1/4=?
1/2 × 3/4 × 2/3=?
30× 1/2=?
help me

Answers

Answer:

do you want the answer to be in fractions or decimals?

Step-by-step explanation:

1. 35 x 5/2 = 87.5
2. 5 x 1/4 = 1.25
3. 1/2 x 3/4 x 2/3 = .25
4. 30 x 1/2 = 15

simplify the expression 5.7x-8.4-1.8x+9.2

Answers

Answer:

3.9x+0.8

Step-by-step explanation:

5.7x-8.4-1.8x+9.2

= 5.7x-1.8x-8.4+9.2

= 3.9x+0.8

Given P={x:10_
A)6
B)7
C)8
D)9

Answers

Answer:

B) 7....................

a family sold a home for $425 000 and paid 6% commission.
a) how much was the commission?
b) how much did the family receive for the house?
c) what if the family had been able to pay only 5% commission. How much would the family have saved?

Answers

Answer:

Step-by-step explanation:

To do this take sale price, multiply it by the commission percentage, divide it by 100

Parallel Lines Practice NO LINKS PLEASE and please explain this for me so i can understand

Answers

Answer:

Step-by-step explanation:

The angle that is on the same side of the transversal as 102 but to the right of it, is supplementary to 102. Call this angle y

y + 102 = 180                   Subtract 102 from both sides

y +102-102 = 180-102     Combine

y = 78

y and x are vertically opposite each other. They are equal

x = y

x = 78

PLEASE HELP ME

Explain how to mutliply the following polynomials. Include the simplified product as part of your submission.
(a+b) (a+5ab +63)

Answers

a^2+5a^2b+63a+ab+5ab^2+63b
Or
a(a+5ab+63) + b(a+5ab+63)


help me please, and show work

Answers

Answer: slope of p = - ¹/₅

Step-by-step explanation:

If two lines are perpendicular, then the product of their slope is -1 (negative reciprocal of each other.

∴ if slope of l = 5

then slope of p = - ¹/₅

22. If Olivia solves every sixth math problem and Nora
solves every fifth math problem in a worksheet, which
question will be the first that they both solve?

Answers

Answer:

30th problem.

Step-by-step explanation:

The first question that they both solve would be the LCM, or the least common multiple. Since Olivia is solving every 6th, and Nora is solving every 5th, we need to find the LCM of 5 and 6, which would be 30.

So, the first problem that they both solve would the the 30th problem.

8. If the perimeter of a square is 62 centimeters, what is its area?​

Answers

Step-by-step explanation:

Perimeter= 62 cm

4 × side = 62

side = 62/4

=15.5 cm

Area = (side)²

= (15.5)²

=240.25 cm²

240.25 centimeters^2

quick, please help (very easy)

Answers

Answer:

5+4c=25

Step-by-step explanation:

Answer:

5 + 4c = 25

Step-by-step explanation:

The 5 dollars spent on paper is separate from the price of all the candy, so you will add that to the total of the candy.You bought 4 pieces of candy, you that value can be changed.You spent a total of 25 dollars.We have all the info to set up an equation:

5 + 4c = 25

p.s: i have a piece of candy?

Which sentence best states the conflict revealed in this passage from Helen
Keller's The Story of My Life?
Have you ever been at sea in a dense fog, when it seemed
as if a tangible white darkness shut you in, and the great
ship, tense and anxious, groped her way toward the shore
with plummet and sounding-line, and you waited with
beating heart for something to happen? I was like that ship
before my education began, only I was without compass or
sounding-line, and had no way of knowing how near the
harbour was. "Light! give me light!" was the wordless cry of
my soul, and the light of love shone on me in that very
hour.
A. Helen is scared that she will never be able to communicate with
her family again.
B. Helen is angry that her mother and teacher aren't helping her to
communicate
C. Helen is frustrated by the challenges associated with learning to
communicate
D. Helen is sad that her teacher is leaving and will be unable to
communicate with her.

Answers

Answer:

qqqqqqqqqqqqqqqqqqqqq

Lincoln needs to order some new supplies for the restaurant where he works. The
restaurant needs at least 355 knives. There are currently 317 knives. If each set on
sale contains 20 knives, which inequality can be used to determine s, the minimum
number of sets of knives Lincoln should buy?

Answers

Answer:

x>355

Step-by-step explanation:

Answer:

x>355

...

...

...

...

...

a pack of four chocolate balls cost £1.20.what is the price per unit.

Answers

The cost of 4 chocolates bars is £1.20. The cost of 1 chocolate bars is . The cost of 1 chocolate bars is £0.3. Therefore, the price per unit of chocolate bars is £0.3.

6 1/2 divided by 59 3/8

Answers

Answer:

52/475

Step-by-step explanation:

The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.

helpppppppppppppppppmeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

Do cross multiplication

Answer:

a) 3

b) 9

Step-by-step explanation:

I used a calculator, pls let me know if im incorrect

What is the slope of the line passing through the points (−3,−5) and (−1,−6)?

−43

−12

12

34

Answers

Answer:

-1/2

Step-by-step explanation:

1. The formula to find the slope given two points is [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]. Now, all we have to do is plug in the values.

2. (Solving)

[tex]\frac{(-6)-(-5)}{(-1)-(-3)}[/tex]  [tex]\frac{-6+5}{-1+3}[/tex] [tex]\frac{-1}{2}[/tex] [tex]-\frac{1}{2}[/tex]

Therefore, the slope is -1/2.

Answer:

B. - 1/2

Step-by-step explanation:

Use slope formula and substitute given coordinates:

[tex]m=(y_2-y_1)/(x_2-x_1)[/tex][tex]m =(-6-(-5))/(-1-(-3))=-1/2[/tex]

Please help me I’m having so much trouble I need ASAP I’m stressing :(

Answers

Answer:

1000 (1.12)^t

Step-by-step explanation:

first year 1120

second year 1254.4

etc

Evaluate the function f(x) = -2[x + 7| for the following inputs:
f(10)
f(-12)

Answers

f(10) = -2 |10 + 7| = -2 (17) = -34

f(-12) = -2 |(-12) + 7| = -2(5) = -10

WILL GIVE BRAINLIEST

A florist has 75 tulips with which to make bouquets. She will use 12 tulips in each bouquet. If
the florist ends up with 3 tulips left, how many bouquets must she have made?
Write and solve an equation to find the answer.
bouquets
Submit

Answers

Answer:

= 6 bouquets

Step-by-step explanation:

In pic

(Hope this helps can I pls have brainlist (crown)☺️)

The number of bouquets will be 6 when it is made up of 12 tulips.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that A florist has 75 tulips with which to make bouquets. She will use 12 tulips in each bouquet and the florist ends up with 3 tulips left.

The number of bouquets will be calculated as:-

Number = 75 / 12

Number = 6³/₁₂

Therefore, the number of bouquets will be 6.

To know more about an expression follow

https://brainly.com/question/23424934

#SPJ5

The equation y = 0.30x + 69 models the cost y of renting a car if the car is driven x miles.

According to the model, what is the best estimate of the cost for renting a car if you plan to drive 405 miles? Please round your answer to the nearest dollar.

Answers

Answer 191

0.3(405)+69=190.50

A 4-foot piece of ribbon costs $24.48. What is the price per inch? $​

Answers

Answer:

$0.51

Step-by-step explanation:

1 foot=12 inches. 4 [feet]x 12 [inches per foot]= 48 $24.48/48= $0.51 per inch

If lighting strikes earth 1000 times in 10 seconds how much time does it take after 7250 strikes?

Answers

to find the scale factor
7250/1000=7.25
multiple the time with the same scale factor
10 x 7.25 = 72.5 seconds

If £21 = 500 rubles, how many £ are in 780 rubles? Give your answer to 2 dp

Answers

Answer:

£32.76

Step-by-step explanation:

21/500=0.042

780x0.042 = 32.76

a supermarket earned $1,56,48,000 in a year if the expenses were $69,74,596 how much money was saved please help asap

Answers

Answer:

8673404

Step-by-step explanation:

Your commas are in the wrong spots. If the question is asking the profit then it would be 15,548,000 - 6,974,596 = 8,673,404

I am not sure what it means when asking how much money was saved. Is this the complete question and the exact wording?

Find the area of the figure. (Sides meet at right angles.)

Answers

Answer:

38

Step-by-step explanation:

5x2x2=20

3x6=18

18+20=38m^2

An item is marked down to $357. If the original price is $525, what percent of the original price does the customer have to pay?

Answers

Answer:

68%

Step-by-step explanation:

hope this helps uwu

what is 9 1/2 + (-4.0) .Please show work. (ps. it can be in fraction or decimal form)

Answers

Answer:

5 1/2

Step-by-step explanation:

Answer:

5 1/2

Step-by-step explanation:

so since nine is the whole number part of "9 1/2" you can easily subtract 4 from if (bc it's another whole number) but the confusing part of this problem is the "+(-4)" the parentheses are just so you don't mix up the + and -, but regardless, when you add a negative number it's the same as subtracting.

9 1/2

-4

-----------

-5 1/2

* bring down the 1/2 :)

The city of Anville is currently home to 15000 people, and the population has been growing at a continuous rate of 7% per year. The city of Brinker is currently home to 13000 people, and the population has been growing at a continuous rate of 8% per year. In how many years will the populations of the two towns be equal

Answers

10400 people

X2 =20800

There are 4.5 liters of milk, 2.5 grams of salt,
and 1.2 liters of water in a cooking pot. How
many liters of liquid is in the cooking pot?

Answers

Answer:

4.5 + 1.2 = 5.7 There are 5.7 litres of milk. 2.

Step-by-step explanation:

Answer:

5.7 liters

Step-by-step explanation:

Because salt is not a liquid, you should only add the water and milk.

4.5+1.2= 5.7

Hope this helps! :)

Item 2 Simplify the linear expression. −53a+18−16a−12 Enter your answer as simplified fractions in the boxes.

Answers

The simplified value of the expression  - 53a + 18 - 16a - 12 is  - 69a + 6.

What is a linear equation?

A linear equation is an algebraic equation of degree one. In general, the variable or the variables(in the case of a linear equation in two variables) the variables are x and y.

Given, a linear expression - 53a + 18 - 16a - 12.

First, we'll arrange the like terms

= - 53a - 16a + 18 - 12.

= - 69a + 6.

= - 3(23a - 2).

learn more about linear expression here :

https://brainly.com/question/819568

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