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marshall27 [118]
3 years ago
11

What is the quadratic regression equation for the data set?

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0

Answer:

y=−0.004x2+0.415x−0.546

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Solve 4/9x+7=1/2.<br><br> Solve 1/8x−12=3/4.
Elenna [48]
\# 1 \\\\ \frac{4}{9}x+7=\frac{1}{2} \\\\ \frac{4x}{9}=\frac{1}{2}-7^{(2} \\\\ \frac{4x}{9}=\frac{1-14}{2} \\\\ \frac{4x}{9}=-\frac{13}{2} \\\\ 4x=-\frac{9*13}{2} \\\\ x=-\frac{\frac{9*13}{2}}{4} \\\\ x=-\frac{117}{2}*\frac{1}{4} \\\\ \boxed{x=-\frac{117}{8}=-14\frac{5}{8}}

\#2 \\\\ \frac{1}{8}x-12=\frac{3}{4} \\\\ \frac{1}{8}x=\frac{3}{4}+12^{(4} \\\\ \frac{x}{8}=\frac{3+48}{4} \\\\ \frac{x}{8}=\frac{51}{4} \\\\ x=\frac{\not8*51}{\not4} \\\\ x=2*51 \\\\ \boxed{x=102}
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3 years ago
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The distance y (in miles) that a truck travels on x gallons of gasoline is represented by the equation y = 18x.
Lapatulllka [165]

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Not A Question

Step-by-step explanation:

6 0
3 years ago
PLEASE PLEEASE HELP I PROMISE I WILL GIVE BRAINLIIEST!!!!
Nadusha1986 [10]

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Plz help ASAP! Ineed part C this is due tonight lol (a) How many cups of flour are there in 4 servings? How many cups of flour a
Arte-miy333 [17]

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1 1/4 cups of flour

Step-by-step explanation:

First find the amount for 1 serving.

So you divide the amount of 1 1/2 or 1.50 by 4

1.50/4=.375

Now do .375*7= 2.625 cups of flour

Now you need to subtract the amount you already have which is 4 cups.

2.625-1.50= 1 1/4 cups of flour is what you need left


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6 x 4 = 24
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