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3 years ago

X+5y=15 I need to solve for x and y

1 answer:

4 0

Hi there!

Solve for x
$x + 5y = 15$

Subtract 5y from both sides.
$x = 15 - 5y$

----------------------

Solve for y
$x + 5y = 15$

Subtract x from both sides.
$5y = 15 - x$

Divide both sides by 5.
$y = 3 - \frac{1}{5} x$

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3 years ago

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3 years ago

Choose the correct definition of a sampling distribution. The sampling distribution of a statistic of size isa.the distribution

sweet-ann [11.9K]

Answer:

The answer is Option D:

"The distribution of all values of the statistic resulting from all samples of size taken from the same population."

Step-by-step explanation:

First, is a distribution of all values. It has to include all the possible values of the statistic with its associated probability.

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4 years ago

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qaws [65]

36 cm^2

Step-by-step explanation:

Small window

Length: 2cm

Width: 2cm

Area: 4 cm^2

Big window

Length: 4cm

Width: 3cm

Area: 12 cm^2

Total area of the windows:

(Area of 4 small windows + area of 1 big window)

(4 cm^2 x 4 + 12cm^2)

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Above window (approx.)

Rectangle

Length: 3cm

Width: 2cm

Area: 6 cm^2

Triangle

Base: 1cm

Height: 1cm

Area: 2 x 0.5 cm^2 = 1 cm^2

Square (between the triangles)

Length: 1cm

Width: 1cm

Area: 1 cm^2

= 8 cm^2

TOTAL AREA OF ALL WINDOWS

= AREA OF 4 WINDOWS + AREA OF BIG WINDOW + AREA OF ABOVE WINDOW

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I hope I made the explanations clear enough to make it easier for you to understand!

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1 year ago

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Mumz [18]

Answer:

1. No, because each x value can only have one y value (one-to-one relationship).

2. No, because each x value can only have one y value (one-to-one relationship).

3. Yes, because one member of the domain is assigned to one member of the range.

Step-by-step explanation:

4 0

2 years ago