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3 years ago

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Mathematics

2 answers:

NARA [144]3 years ago

6 0

Answer:

1. A lake that is gradually running out of water.

2. The best adapted organisms.

3. Has brought about a new species.

Step-by-step explanation:

mafiozo [28]3 years ago

5 0

Answer:

1. A lake that is gradually running out of water.

2. The best adapted organisms.

3. Has brought about a new species.

(Correct me if wrong)

(Correct me if wrong) Hope this hepled

(Correct me if wrong) Hope this hepled ALL THE BEST!!

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Vill all three students complete a sign at the same time? Explain your

7nadin3 [17]

I think it would be 23 bags without any cookies left over

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2 years ago

The following data pairs represent the average temperature x (in degrees Fahrenheit) and electricity

elena55 [62]

Answer:

The correct answer is C. r = 0 because is most likely the closest to the correlation coefficient of the data.

Step-by-step explanation:

Using Excel, we captured the data provided for the 12 different homes for calculating the correlation coefficient manually, this way:

n = 12

∑x = 904

∑y = 2,169

∑xy = 167,532

∑x² = 69,552

∑y² = 404,615

r = [n *∑xy - (∑x * ∑y)]/[√(n * ∑x² - (∑x)²) * (n * ∑y² - (∑y)²)]

Replacing with the real values, we have:

r = [12 * 167,532 - (904 * 2,169)]/[√(12 * 69,552 - 904²) * (12 * 404,615 - 2,169²)]

r = [2'010,384 -1'960,776]/[√(834,624 - 817,216) * (4'855,380 - 4'704,561]

r = 49,608/√17,408 * 150,819

r = 49,608/ 51'239.215

r = 0.00097

The correct answer is C. r = 0 because is most likely the closest to the correlation coefficient of the data.

4 0

3 years ago

Read 2 more answers

Help me, please......

denpristay [2]

Answer:

(x, y ) → (x - 4, y + 8 )

Step-by-step explanation:

4 units left in the x- direction means subtract 4 from the x- coordinate

8 units up in the y- direction means add 8 to the y- coordinate

Then the translation rule is

(x, y ) → (x - 4, y + 8 )

3 0

2 years ago

Can someone help me with this

yKpoI14uk [10]

Answer:

i think you should get brainly tutor even if you cant afford it you can use the free trail to see if you like it they could help you with that give the answer and an explanation

Step-by-step explanation:

5 0

3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPP

kenny6666 [7]

Answer:

$528

Step-by-step explanation:

A. Calculating The Markdown Price

X=Markdown price

Original price: $600

Markdown rate: 20%

100%-20%=80%

The TV's price is now 80% of what it originally was.

$\frac{x}{600} =\frac{80}{100\\}$

100x=48000

x=480

The price of the TV after being marked down is $480.

B. Calculating The Sales Tax

Y=Total sales tax

TV price: $480

Sales tax: 10% or 0.1

y=480*0.1

y=48

The total sales tax is $48

C. Calculating Your Total

x+y=total

480+48=total

total=528

You in total pay $528 for the TV.

4 0

3 years ago