What is the median of these numbers?
4, 18, 20
A 8
® 12
© 14
0 18

Answers

Answer 1

Answer:

Step-by-step explanation:

The middle number of the sequence us the median

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What is the slope of the line through the points (2, 8) and (4, 6)?a) slope = 73
b) slope = -1
c) slope = 1
d) slope = 1/3

Answers

slope=(y2-y1)/(x2-x1)

(x,y)

we have
(2,8)
(4,6)
x1=2
y1=8
x2=4
y2=6

slope=(6-8)/(4-2)=-2/2=-1

slope=-1
answer is C

In the continental United States,the ratio of states that border an ocean is 7:9 .How many of the states border an ocean?

Answers

Answer: 21 states

Step-by-step explanation:

Since, The total number of states in the continental United States is 48 in which some are in the border of ocean and some are not in the border of ocean.

According to the question,

The ratio of the states having the border to the ocean and not having the border to the the ocean = 7 : 9

Let the states having the border to the ocean = 7x

The the states do not having the border to the ocean = 9x

Thus, 7x + 9x = 48

⇒ 16 x = 48

⇒ x = 3

Thus, the states having the border to the ocean = 7 × 3 = 21

In the continental United States, the number of states that border an ocean is 7/16 of the total number of states.

To find the number of states that border an ocean, we need to determine the specific values that correspond to the ratio. Let's denote the number of states that border an ocean as 7x and the number of states that do not border an ocean as 9x, where x is a common factor.

According to the given ratio, the equation is:

7x : 9x

To simplify the ratio, we can divide both sides by x:

7 : 9

Now, we can analyze the ratio. Since it is stated that the ratio applies to the continental United States, the total number of states is irrelevant. We are only concerned with the proportion of states that border an ocean to those that do not.

Based on the simplified ratio of 7:9, we can conclude that out of every 16 states, 7 of them border an ocean while the remaining 9 do not.

Therefore, in the continental United States, the number of states that border an ocean is (7/16) of the total number of states.

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What is equivelent to
4d+6+2d

Answers

The value of the equation 4d + 6 + 2d is A = 6 + 6d

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

A = 4d + 6 + 2d be equation (1)

On simplifying the equation , we get

A = 4d + 2d + 6

A = 6d + 6

A = 6 ( d + 1 )

Therefore , the value of A is 6d + 6

Hence , the value of the equation is A = 6d + 6

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We can add like terms. Like terms are when the variables are alike, so you can add them to get a simpler form of your expression.equation.
4d and 2d are like terms, therefore, we can add them.

6d+6 is what we are left with.

Our final answer: 6d+6 is equivalent to 4d+6+2d

A local electronics store raised its prices on headphones by 20%. The headphones that Stan wants to buy now cost $36. How much did the headphones cost before the price increase?

Answers

Let the price before the increase be x.

Since there was 20% increase, the new price would be:

(100% + 20%) = 120%

120% x = 36

(120/100)x = 36

1.2x =36

x = 36/1.2

x = 30.

Price before the increase = $30.

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