MATHEMATICS MIDDLE SCHOOL

I^37 is what?


A: i

B: -i

C: 1

D: -2

Answers

Answer 1
Answer: First off, i is equal to the square root of -1. The square of i, therefore is -1. An even exponent applied to i is -1. An odd exponent applied would denote -i, therefore. Your answer should be B.

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What is 4/3 in a percent and decimal?

Answers

Since 3/3 is 1, just add add 1/3 (0.33333) to that to get a decimal of 1.3333. 
The percent is found by multiplying the decimal by 100, to get 133.33%

Is 3.61 less than 3.87

Answers

yes it is less.

hope this helped
3.61 is .26 less then 3.87

A tent has the shape of a triangular prism. The triangular end of the tent has a base that is 8 feet long and a height of 7 feet. The tent is 12 feet long from front to back.What is the volume of the tent? 
 
_____ cubic feet

Answers

(8*7*12).5=336 cubic feet

Answer:

A

Step-by-step explanation:

2 Help3x² +8x+ 5-14
Which constant would you add to the RIGHT side of the
quadratic equation in order to solve by completing the
square? Remember, this is a two-step process​

Answers

ANSWER

The correct answer is D

EXPLANATION

The given quadratic expression is

3 {x}^(2) + 8x = - 1

Divide through by 3

{x}^(2) + (8)/(3) x = - (1)/(3)

We now add the square of half the coefficient of x because the coefficient of the quadratic term is now unity.

The constant we would add is

{( (4)/(3) )}^(2) = (16)/(9)

The correct answer is D

Answer: Option D.

Step-by-step explanation:

Given the quadratic equation 3x^2+8x=-1, you can observe that the leading coefficient is not 1, then you have to divide both sides of the equation by 3:

(3x^2+8x)/(3)=(-1)/(3)\n\nx^2+(8)/(3)x=(-1)/(3)

Now, you can observe that the coefficient of the x-term is (3)/(8), so you must divide it by 2 and square it. Then you get:

(((8)/(3))/((2)/(1)))^2=(16)/(9)

Therefore, you must add (16)/(9) to both sides of the equation.

Help with these questions??

Answers

x/2 + x + x/3 = 8

Simplify both sides of the equation

x/2 + x +x/3 = 8

Simplify

11/6 x = 8

Multiply both sides by 6/11

(6/11)*(11/6 x ) = (6/11)*(8)

x = 48 / 11

decimal will be x = 4.36


-7(x-1)-3(x-4)

Distribute
(-7)(x)+(-7)(-1)+(-3)(x)+(-3)(-4)

= -7x+7+ -3x +12

Combine like terms

-7x+7+ -3x+12

= (-7x+ -3x ) + ( 7+12)

= -10x + 19


3(x-2)^2 -5(x-2)+3

Distribute

= 3x^2 + -12x+12+(-5)(x)+(-5)(-2)+3

= 3x^2 +-12x+12+ -5x +10 +3

Combine like terms

3x^2 + -12x+12+ - 5x+10 +3

(3x^2) + (-12x+ -5x ) + (12+10+3)

= 3x^2 + -17x + 25

= 3x^2 -17x+25


I hope that's help ! Please if you have question about all 3 just let me know .



A bank teller has 7 rolls of coins. each roll has 40 coins. how many does the bank teller have?

Answers

well if you have a calculator then you can do this watch:... so with the calculator do 40 times 7 then hit = and that will give you then answer but i want to help you
so...
40 * 7 = 280
So that means the bank tell has a total of 280 coins with him
You do 40 x 7 which is 280
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At the carnival, 9 friends bought 214 tickets.If they wanted to split all the tickets so each friend got the same amount,how many more tickets would they need to buy?
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