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goblinko [34]
4 years ago
10

PLEASE HELP! WILL MARK BRAINLIEST!

Mathematics
1 answer:
Korolek [52]4 years ago
7 0
<h3>Answer:</h3>

y = 1644.245(1.098x); 4,598

<h3>Explanation:</h3>

A suitable graphing calculator (or spreadsheet program) can do this regression for you.

_____

<em>Comment on doing it by hand</em>

If you're going to do this by hand, you need to work with the logarithms of the values. Then find the line of best fit to those in the usual way.

The equation of the line is best written in point-slope form, with the point being the mean of x (which is 5.5) and the mean of y. The slope is the ratio of the covariance of x and y to the variance of x (which is 8.25). (Here, y refers to the logs of the numbers in your table.)

This equation for a line will give the logarithm of the market value, so will need to be put back into exponential form for comparison to the answer choices.

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A bullet train traveled 270 kilometers in 1.5 hours. The entire trip is scheduled to last 5 hours. If the train continues at the
lesya692 [45]

Answer:

270/1.5=k/5

Step-by-step explanation:

270  km........1.5 h

k       km........5 h

270/1.5=k/5

6 0
3 years ago
The price that a company charged for a computer accessory is given by the equation 100-x^2 where x is the number of accessories
Setler79 [48]

Answer:

1.45 million accessories

Step-by-step explanation:

we need to write an algebraic equation

y = (100 - 10x^2)x - 10x

y represents the profit

x represents the # of accesories produced in millions

I used 10 because that's the cost of making each accessory

100-x^2=consumer price

x-10x= accessory-cost to make all the accessories

we know that 2 million accessories make 100 million

so the number of accessories that approximately make 100 should be around 2 million

in the options 1.45 is given which is close to 2

even though 3.45 is closer than two you would go beyond a 100 million profit which isn't what you want

if the options weren't given you would have to use all values from 1-2 as "x"

hope this helps!

6 0
4 years ago
Read 2 more answers
The table shows the syrup production of four states:
chubhunter [2.5K]
Maine : 1.10 x 10^6 = 1,100,000
New Hampshire : 3.14 x 10^5 = 314,000
New York : 9.65 x 10^5 = 965,000
Vermont : 1.89 x 10^6 = 1,890,000

least to greatest : New Hampshire, New York, Maine, Vermont
6 0
4 years ago
Read 2 more answers
There are 4 times as many females as males on the maths course at university. What fraction of the course are male?
maxonik [38]

Answer:

A

Step-by-step explanation:

Cause 4 times 4divide by 4 is is 1 so 1/4

8 0
3 years ago
Read 2 more answers
Find the solution set.2x^2+3x=2 separate the two values with a comma.
inna [77]

Answer:

x = -2, 1/2

Step-by-step explanation:

Step 1: Isolate everything to 1 side

2x² + 3x - 2 = 0

Step 2: Factor

(2x - 1)(x + 2) = 0

Step 3: Find roots

2x - 1 = 0

2x = 1

x = 1/2

x + 2 = 0

x = -2

5 0
3 years ago
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