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aivan3 [116]
3 years ago
12

Hi! Please help me solve this:

Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0

Answer

by 20%????

Step-by-step explanation:

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Answer:

2144.66 cubic yards

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Explain why it's possible to draw more than two different rectangles with an area of 36 square units but if not possible draw mo
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The area of a rectangle is the result of multiplying its length times its width. So the rectangles length and width are factor pairs of the area.

The number 36 has four non-equal, whole number factor pairs: (1,36) ; (2,18) ; (3,13) ; (4,9)

*note : (6,6) makes a square not rectangle

The number 15 has only two whole number factor pairs (1,15) and (3,5)
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3 years ago
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 20. Find the prob
Ipatiy [6.2K]

Answer:

Randomly selected adult has an IQ less than 136 is 0.9641

Step-by-step explanation:

It is given that, it is normal distribution with mean 100 and SD as 20.

So, let's use the formula of z-score

z=\frac{x-mean}{SD}

For this problem,

x= 136

Plug in this value into the formula

z-score=\frac{136-100}{20}

       =1.8

Now, use z-score table to find the probability

Find the corresponding value for the row 1.8 and the column 0.00, we do get 0.9641

So, Randomly selected adult has an IQ less than 136 is 0.9641

3 0
3 years ago
According to the rule of 72, in about how many years will $80 be worth $40 if
ludmilkaskok [199]

Answer:

24 Years

Step-by-step explanation:

Rule of 72 is an approximation that you can use to estimate the time it will take for something to double in value at a compound rate of interest

use the following equation

72/(i*100)

we have

72/(.03*100)

72/3=24

3 0
3 years ago
Graph each linear equation y=-x-2
mixer [17]

Answer:

Alright well use the Graph line using the slope and the y-intercept, or two points

Slope: - 1

y - intercept: - 2

X: 0, 1

Y: - 2, - 3 Hope this helps :)

Step-by-step explanation:


3 0
3 years ago
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