(i3)^2(-i0)^3(3i2)^4

Mathematics

1 answer:

VLD [36.1K]2 years ago

3 0

The answer is 0 is this if i stands for a square root.
The answer is -81 if i is a variable.

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Starting salaries of 90 college graduates who have taken a statistics course have a mean of $43,993 and a standard deviation of

Rufina [12.5K]

Answer: attached below

Step-by-step explanation:

5 0

3 years ago

Use properties of exponents to complete the equivalent expression. (Take a look at the image).

kondaur [170]

The exponent would b 15

U just gotta solve it than u get 3375 than look for the square root of that and it’s 15over15

6 0

2 years ago

1. A movie theater designs two bags to hold 96 cubic inches of popcorn. a. Find the height of each bag b. Which bag should the t

MrRissso [65]

I have attached a screenshot with the images of the two popcorn bags used by the theater.

Part (a):
Bag A:
Volume of bag = area of base * height
Volume of bag = length * width * height
We have:
volume = 96 in³
length = 3 in
width = 4 in
Therefore:
96 = 3 * 4 * height
96 = 12 * height
height of bag A = 8 in
Bag B:
Volume of bag = area of base * height
Volume of bag = length * width * height
We have:
volume = 96 in³
length = 4 in
width = 4 in
Therefore:
96 = 4 * 4 * height
96 = 16 * height
height of bag B = 6 in

Part (b):
To determine the amount of paper needed, we will need to calculate the surface of each bag. Excluding the top base, each bag will have 5 faces. Four side faces (each two opposite are equal) and the base.
Bag A:
Surface area = area of base + 2*area of front face + 2*area of side face
Surface area = (3*4) + 2(8*4) + 2(8*3)
Surface area = 12 + 64 + 48
Surface area of bag A = 124 in²
Bag B:
Surface area = area of base + 2*area of front face + 2*area of side face
Surface area = (4*4) + 2(6*4) + 2(6*4)
Surface area = 16 + 48 + 48
Surface area of bag B = 112 in²
From the above calculations, we can deduce that the theater should choose bag B in order to reduce the amount of paper needed.

Hope this helps :)