2 years ago

64% of 75 tiles show work

1 answer:

5 0

48 because,
For example
To find x percent of y you can just do 
y times x/100 
So in this case 
100 times 20/100 
which comes to 20 
so 20% of 100 is 20.

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Jorge was studying average life expectancy in Europe and how it varies across different countries. He wanted to discover what va

taurus [48]

Answer:

Is not met ( A )
Is not met ( A )
Does not need to be checked for multiple linear regression ( B )
Does not need to be checked for multiple linear regression ( B )

Step-by-step explanation:

Linearity condition is : NOT MET

The equal variance condition is : NOT MET

The 10% condition : Does not need to be checked for multiple linear regression

The success failure condition : Does not need to be checked for multiple linear regression

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2 years ago

Unit 3 | Lesson 9

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P = 6s
s = 3.4

P = 6(3.4) = 20.4 cm

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What are the center and radius of the circle defined by the equation x^2 + y^2 -6x + 4y + 4=0

Sloan [31]

The equation of a circle:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - a coordinates of the center

r - a radius

$x^2+y^2-6x+4y+4=0\ \ \ |-4\\\\x^2-2\cdot x\cdot3+y^2+2\cdot y\cdot2=-4\ \ \ |+3^2\ |+2^2\\\\\underbrace{x^2-2\cdot x\cdot3+3^2}_{(a-b)^2=a^2-2ab+b^2}+\underbrace{y^2+2\cdot y\cdot2+2^2}_{(a+b)^2=a^2+2ab+b^2}=-4+3^2+2^2\\\\(x-3)^2+(y+2)^2=3^2$

Answer:

the center: (3, -2)

the radius: 3

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2 years ago

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gizmo_the_mogwai [7]

( x + 4), (x - 9) = 4x
Hope this helps!

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Answer:

d. (9,-260°)

Step-by-step explanation:

100° = 100-360 = -260°

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2 years ago