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3 years ago

Please help thankyou brainiest peopleplease please please please please

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

4 0

<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ To find the mean you add together the values and divide by how many values there are:

150 + 100 + 120 + 200 + 180 + 300 + 250 = 1300

1300/7 = 185.714285

Median:

Order the values and find the middle one:

100, 120, 150, 180, 200, 250, 300

As you can see, it is 180

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

USPshnik [31]3 years ago

3 0

Answer:

a) The mean is 185.714.

b) The median is 180.

Step-by-step explanation:

a) To find the mean, you add up all of the numbers and divide the sum by the amount of numbers added:

150 + 100 + 120 + 200 + 180 + 300 + 250 ÷ 7 = 185.714

(I don't know if you are rounding or need decimals, so I will include them.)

b) To find the medium, you line up all of the numbers by least to most value and find the middle number. If there is an odd amount of numbers, you just take the middle number. If there are an even amount of numbers, you take the two middle numbers and find the mean of them both.

100, 120, 150, 180, 200, 250, 300

↑

Median

Have a good day, please mark this as Brainliest!

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X-4y=-4<br> 5x – 4y= 12

vekshin1

Answer: {x,y} = {4,2}

[1] x - 4y = -4

[2] 5x - 4y = 12// Solve equation [1] for the variable x

[1] x = 4y - 4

// Plug this in for variable x in equation [2]

[2] 5•(4y-4) - 4y = 12

[2] 16y = 32

// Solve equation [2] for the variable y

[2] 16y = 32

[2] y = 2

// By now we know this much :

x = 4y-4

y = 2

// Use the y value to solve for x

x = 4(2)-4 = 4

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Given the equation y=2x-8, which statement is correct ? A.Y=2(x-4) has a y-intercept of 4 B. Y=2(x-4)has a y-intercept of -4 C.

kakasveta [241]

Answer:

Correct option: C -> Y=2(x-4) has a x- intercept of 4

Step-by-step explanation:

To find the y-intercept of the equation y = 2x - 8, we just need to find the value of y when x = 0:

$y = 2*0 - 8 = -8$

To find the x-intercept of the equation y = 2x - 8, we just need to find the value of x when y = 0:

$0 = 2*x - 8$

$2x = 8$

$x = 4$

So the y-intercept is -8 and the x-intercept is 4.

Correct option: C -> Y=2(x-4) has a x- intercept of 4

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3 years ago

A restaurant changes $2.50 for one eighth of a pizza. At this rate, how much does the restaurant receivenfor the whole pizza?

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1/8 of a pizza = $2.50

1/8 of a pizza, multiplied by 8
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3 years ago

Find the area of a regular hexagon with the given measurement 6 inch radius

tino4ka555 [31]

We are told the radius is 6 inches, this distance refers to the distance from the center to a vertice of the hexagon. A regular hexagon is made up of 6 equilateral triangles. The sides of these triangles inside the hexagon are 6 inches. Since these are all equilateral, all sides of the triangle of 6 inches making the 6 outer sides of the hexagon also equal to 6 inches.

We can determine the total area of the hexagon if we know the area of one of the triangles. The area of a triangle is found using the following formula:

A = 1/2 (b x h)

b = the outsider of the hexagon
h = distance from center to the bisection of a side.

We can solve for h by using the pythagorean theorem. We know two sides of the right triangle formed. The adjacent side is 3 inches (half of 6 since the side was bisected) and the hypotenuse is 6 inches.

3² + h² = 6²
h² = 36 - 9
h² = 27
h = √27
h = 3√3

Solving for the area of one triangle is as follows:

A = (1/2)(bh)
A = (1/2)(6)(3√3)
A = 9√3

The total area of the hexagon will be the total of all 6 equilateral triangles.

A = 6(9√3)
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The area of the hexagon is 54√3 or 93.5 in².

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3 years ago

A parallelogram has an area of x2+ 9x− 36.

Serhud [2]

Answer:

a) Length $x + 12$ , Width $x - 3$ , b) $x = 3$

Step-by-step explanation:

a) The expressions for the length and width of the parallelogram can be determined by factorizing the polynomial:

$A = x^{2} + 9\cdot x - 36$

$A = (x+12)\cdot (x-3)$

Length

$x + 12$

Width

$x - 3$

b) Since area is a positive variable, the set of solutions encompass all values of x such that area is zero o greater. Then, there are two interval where A is positive:

- When both binomials are negative.

$x \leq 3$ and $x \leq -12$