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Dimas [21]
3 years ago
9

Simplify:6x+10y-3x-4y​

Mathematics
2 answers:
Leya [2.2K]3 years ago
3 0
Simplify the expression and you get
~3x+6y
Andrei [34K]3 years ago
3 0

Answer:

Answer is below

Step-by-step explanation:

6x+10y-3x-4y\\=6x+10y+-3x+-4y\\

Combine like terms

=6x+10y+-3x+-4y\\=(6x+-3x)+(10y+-4y)\\=3x+6y

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More math help, please
malfutka [58]

Answer:

15) Quadratic Function : The 3x is squared

16) Linear Function : It is a straight line

17) Quadratic Function : The line is a U shape

18) Linear Function : There is one y value for every x value, and the points form a straight line

Step-by-step explanation:

Done

5 0
3 years ago
A car is driving down a long Steep Hill the elevation above sea level in feet of the car when it is D miles from the top of the
amid [387]

Answer:

This task would be especially well-suited for instructional purposes. Students will benefit from a class discussion about the slope, y-intercept, x-intercept, and implications of the restricted domain for interpreting more precisely what the equation is modeling.

One potential confusion students may have follows from the subtle difference between what the car is doing and the idea of slope as the ratio between the change in vertical distance on the graph and the change in horizontal distance on the graph. Because the car is traveling one mile on a down-hill slope, the situation could be represented as a right triangle with a hypotenuse of 5,280 ft and a leg of 250 ft; using the Pythagorean Theorem they would find that the other leg is approximately 5,274 ft. Following through on this interpretation, a student might conclude that the car travels a horizontal distance of approximately 5,274 ft for every 250 ft in vertical distance and arrive at a slope of approximately -0.047. While this is, in some sense, the slope of the hill, it is not the slope of the function as described. This interpretation yields numbers that are very close to the situation described in the task, yet conceptually different since the distance traveled by the car would now be expressed in terms of horizontal distance traveled as opposed to distance along the slope of the hill to compute the elevation. If students do indeed pursue this line of reasoning, the task provides an opportunity to compare and contrast the graph of the function and what it represents with a drawing of the hill and the vertical and horizontal distances traversed with each mile down the slope.

Step-by-step explanation:

5 0
3 years ago
How to solve problems 43 and 45
Alona [7]
43.= \frac{2x}{5x^2+ 12x{} -13} [/tex]
4 0
3 years ago
What is the EQUATION of a HORIZONTAL LINE passing through THE POINT (-7, 5)?
Dennis_Churaev [7]

Answer:

<h2>A. y = 5</h2>

Step-by-step explanation:

A horizontal line has an equation: y = a  (a - any real number).

Each point on a horizontal line y = a, has coordinates (x, a)    (x - any real number).

We have the point (-7, 5) → y = 5

8 0
4 years ago
A cell phone company charges $4 per GB beyond 20GB in a month. The monthly plan is $59.99, and the bill for January is $75.99. H
Allushta [10]

Answer:

24GB

Step-by-step explanation:

75.99-59.99=16   This is how much extra money was paid.

16/4=4                   Divide this by the cost per GB.

20+4=24GB          Add the 20GB included in the plan.

3 0
3 years ago
Read 2 more answers
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