3 years ago

YALL REMEMBER PRODIGY AND ROOTBEER FLOATS OMGGGGG

Mathematics

1 answer:

lys-0071 [83]3 years ago

5 0

Answer:

omg the last time i played that was in 3rd grade!!!!

Step-by-step explanation:

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Reil [10]

Hello,

Let's r the ration

We suppose x ≠0

x=r*(x-2)==>r=x/(x-2)

x+3=r*x==> (x+3)/x=x/(x-2)==>(x+3)(x-2)=x²
==>x²+3x-2x-6=x² ==>x-6=0==>x=6

x-2=6-4=4
x=6
x+3=6+3=9
6=4*3/2
9=6*3/2

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3 years ago

The graph of r = -3 + 5cos theta is symmetric about the __________.

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I believe it it will be the across the y axis

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3 years ago

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What is x over 5 = 9 over 8

djyliett [7]

$\frac{x}{5} = \frac{9}{8} \\9 * 5 = 8 * x \\\frac{45}{8} = \frac{8x}{8} \\5\frac{5}{8} = x$

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3 years ago

A journalist wants to determine the average annual salary of CEOs in the S&P 1,500. He does not have time to survey all 1,50

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Answer:

Atleast 315

Step-by-step explanation:

Given that a journalist wants to determine the average annual salary of CEOs in the S&P 1,500. To save time a sample is taken.

s = sample std dev = 449300

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Margin of error = 50000

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Hence 1.96*std error = 50000

std error = 25510.20

Std deviation/sqrt n = 25510.20

Simplify to get

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So sample size should be atleast 315

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3 years ago

Deborah has 104 baseball cards. She gave 16 baseball cards to her brother Corey. Then she put the remaining baseball cards in an

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Answer:

Step-by-step explanation:

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