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Lisa [10]
3 years ago
8

Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the

slope of the line
that represents this relationship if time in months is along the x-axis and the number of cars sold is along the y-axis? A.3/13
B. 3
c. 13/3
D. 13
Mathematics
2 answers:
Shalnov [3]3 years ago
4 0

Answer:

the answer is 13/3 ( I got a 100% on the test)

Step-by-step explanation:

Alja [10]3 years ago
3 0

Slope of the line is 13/3

Step-by-step explanation:

  • Step 1: Given that time is along the x-axis and the number of cars along the y-axis, the coordinate after 3 months is (3,13) and after 6 months is (6,26).
  • Step 2: Find the slope of the line, m = (y2 - y1)/(x2 - x1)

⇒ m = (26 - 13)/(6 - 3) = 13/3

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Which is a factored form of 8x^3+1?
Strike441 [17]
in factor form (2x+1)(4x^2-2x+1)
4 0
3 years ago
Use an algebraic approach to solve the problem.
qaws [65]

Answer:

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

Step-by-step explanation:

Use the formula for the mean: sum of elements / number of elements

Let x represent her first exam score.

Her second exam score can be represented by x + 11, since it was 11 points better than her first.

Her third exam score can be represented by (x + 11) + 5, since it was 5 points better than her second.

Plug in all of these expressions into the mean formula. Plug in 87 as the mean, and plug in 3 as the number of elements (since there are 3 scores):

mean = sum of elements / number of elements

87 =  ( (x) + (x + 11) + (x + 11) + 5 ) / 3

Add like terms and solve for x:

87 = (3x + 27) / 3

261 = 3x + 27

234 = 3x

78 = x

So, her first score was a 78.

Find her second score by adding 11 to this:

78 + 11 = 89

Find her third score by adding 5 to the second score:

89 + 5 = 94

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

6 0
3 years ago
The sides of a square are all increased by 3 cm. The area of the new square is 64 cm. Find the length
myrzilka [38]
A 5cm what you do is take the square root of 64 which 8 and then subtract 3 which is 5
3 0
3 years ago
48 = 3/2y <br> simplify your answer as much as possible
Sloan [31]
48 = 1\frac{1}{2}y \\48(\frac{2}{3}) = 1\frac{1}{2}y(\frac{2}{3}) \\32 = y
4 0
3 years ago
Evaluate the expression: 16P4
Tju [1.3M]

The expression 16p⁴ will be written as (2p)⁴.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The given expression will be solved as below:-

16p⁴  = ( 2 x 2 x 2 x 2)p⁴

16p⁴  = 2⁴ x p⁴

16p⁴  = ( 2p )⁴

Therefore, the expression 16p⁴ will be written as (2p)⁴.

To know more about expression follow

brainly.com/question/723406

#SPJ1

8 0
2 years ago
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