Simplify (3+4i) +(5-2i)

Answers

Answer 1

Answer: first Simplify
3+4i +5−2i3 +4i+5−2i

next Gather like terms
(3+5)+(4i−2i)(3+5)+(4i−2i)

then Simplify
8+2i

Answer 2

Answer: (3+4i) + (5-2i)
3+4i+5-2i
8+2i

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A pool shaped like a rectangle prism is 40 feet long 20 feet wide and 4 feet deep attached to the side of the pool is a hot tub with 1/4 the volume of the pool what is the total volume of the pool and hot tub?

Answers

V=legnth times width times height
pool=40 by 20 by 4
pool=40 times 20 times 4
pool=3200 ft^3
hot tub is 1/4 of pool
hot tub=1/4 times 3200=800

total is pool+hot tub=3200+800=4000 ft^3

What is the value of the ratio of the surface area to the volume of the right prism? A.
1.4

B.
1.07

C.
0.94

D.
0.7

length is 6
height is 3
width is 5

Answers

so first fin the area then surface area and the volume
volume=legnth times width times heigh ttimes width=3 times 5 times 6=90
volume=90
surface area=(2 times 3 times 5)+(2 times 3 times 6)+(2 times 5 times 6)=(2 times 15)+(2 times 18)+(2 times 30)=30+36+60=126

volume=90
surface area=126
radio fo surface area to volume
90:126
simplify and treat as fraction
5:7
since they area all decimals they expect us to divide
5/7=.714
the closest answer is D, 0.7

the answer is D 0.7

The answer is A. 1.4

Solve the equation. 20 = –d + 16A. 4

B. –10

C. –6

D. –4

Answers

Hello there
The correct answer to this question would be D: negative 4

This is because the negatives from negative 4 and negative d would cancel each other out, to make it a positive 4, resulting in the equation being: 20 = 4 + 16 , which is true

I hope this helped ^^

Luna entered a raffle for a new pair of running shoes. She purchased 20 tickets and was told that she had a 20%chance of winning. How many tickets were sold?

Answers

Answer:

100 tickets were sold.

Step-by-step explanation:

If she bought 20 tickets and had a 20 percent chance of winning that means there were 100 sold tickets because 20 percent of 100 would be the 20 tickets she purchased.

Answer:

100

Step-by-step explanation:

i got it right on edu

Clare made a smoothie with 1 cup of yogurt, 3 tablespoons of peanut butter, 2 teaspoons of chocolate syrup, and 2 cups of crushed ice. Kiran tried to double this recipe. He used 2 cups of yogurt, 6 tablespoons of peanut putter, 5 teaspoons of chocolate syrup, and 4 cups of crushed ice. He didn't think it tasted right. Describe how the flavor of Kiran's recipe compares to Clare's recipe.

Answers

Answer:

Step-by-step explanation:

Kiran’s recipe is more chocolate because when doubled the recipe he should have added 4 teaspoons of chocolate syrup but instead he added 5 teaspoons

-5v-6=3v+10 i really hate math but i need help

Answers

OK. We could have gotten along nicely without the comment.

-5v - 6 = 3v + 10

I think what you're trying to find is the number that ' v ' must be
in order to make the equation a true statement. That number
is called the 'solution' of the equation.

To find it, you have to massage and manipulate the equation around
until you have ' v ' and nothing else on one side. You can do anything
you want to a whole side of the equation, but whatever you do to one
side, you must immediately do to the other side. Here's one way you
could go about it:

-5v - 6 = 3v + 10

Add 5v to each side: -6 = 8v + 10

Subtract 10 from each side: -16 = 8v

Divide each side by 8 : -2 = v

Now, was that so painful ?

Other Questions

Keshawn is asked to compare and contrast the domain and range for the two functions.f(x) = 5x g(x) = 5^x Which statements could he include in his explanation? Check all that apply. The domain of both functions is all real numbers. The domain of f(x) is x > 5. The domain of g(x) is x > 5. The range of both functions is y > 5. The range of f(x) is y > 0. The range of g(x) is y > 0.

What is √49/144 expressed in simplest form

Helpppppp. (the other one cut out is multiplication property of equality)

So could someone help me on this