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Svetlanka [38]
3 years ago
5

Erin writes the set of ordered pairs below. The set represents a function.

Mathematics
2 answers:
sukhopar [10]3 years ago
5 0

Answer:

A,B,

Step-by-step explanation:

A function cannot have the same x values but can have the same y values.

Is D supposed to be (-1,7) by the way? If it is the answer will be A,B,D.

If this answer has helped you please mark as brainliest

balu736 [363]3 years ago
4 0

Answer:

A,B

Step-by-step explanation:

Just trust

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PLEASE HELP ME WITH THIS!! ;(
DochEvi [55]

Answer:

Zoom in and mark me as brainliest

4 0
3 years ago
A vehicle factory manufactures cars. The unit cost (the cost in dollars to make each car) depends on the number of cars made. If
Nataly [62]

Answer:

The function is missing in the question. The function is $ C(x) = 0.8x^2 -544x +97410 $

The answer is 4930

Step-by-step explanation:

Unit cost of a car is given as

$ C(x) = 0.8x^2 -544x +97410 $

Cost will be minimum when

x = -(-544)/ 2 x 0.8

  = 340

Therefore, minimum cost for unit car is

$ C(x) = 0.8x^2 -544x +97410 $

$ = 0.8(340)^2 -544(340) +97410 $

=  4930

4 0
3 years ago
200 to 170 what is the percentage discount offered
wel

Answer:

85%

Step-by-step explanation:

Convert fraction (ratio) 170 / 200 Answer: 85%

6 0
4 years ago
PLEASE HELP<br>L has y-intercept (0,5) and is perpendicular to the line with equation y=1/3x+1
marin [14]

Answer:

y=-3x+5

Explanation:

Given a line L such that:

• L has y-intercept (0,5); and

,

• L is perpendicular to the line with equation y=(1/3)x+1.

We want to find the equation of the line in the slope-intercept form.

The slope-intercept form of the equation of a straight line is given as:

\begin{equation} y=mx+b\text{ where }\begin{cases}m={slope} \\ b={y-intercept}\end{cases} \end{equation}

Comparing the given line with the form above:

y=\frac{1}{3}x+1\implies Slope,m=\frac{1}{3}

Next, we find the slope of the perpendicular line L.

• Two lines are perpendicular if the product of their slopes is -1.

Let the slope of L = m1.

Since L and y=(1/3)x+1 are perpendicular, therefore:

\begin{gathered} m_1\times\frac{1}{3}=-1 \\ \implies Slope\text{ of line L}=-3 \end{gathered}

The y-intercept of L is at (0,5), therefore:

y-intercept,b=5

Substitute the slope, m=-3, and y-intercept, b=5 into the slope-intercept form.

\begin{gathered} y=mx+b \\ y=-3x+5 \end{gathered}

The equation of line L is:

y=-3x+5

7 0
1 year ago
A painter can paint 350 square feet jn 1.25 hours. what is the painting rate in square deet per hour
Zigmanuir [339]
350/1.25 = 280 sq feet per hr
8 0
3 years ago
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