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Masteriza [31]
3 years ago
10

Sum of 4 times a number and twice the sum of the same number and three

Mathematics
2 answers:
Kitty [74]3 years ago
5 0

Answer: 56 (i think)

Step-by-step explanation:

4x[2(4+3)]

4[2x7]

4x14

56

Setler [38]3 years ago
4 0

\large \mathfrak{Solution : }

let the number be " x "

According to the above statement :

  • 4x + 2(x + 3)

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kvv77 [185]
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3 years ago
The cost of riding in a cab is $3.00 plus $0.75 per mile. The equation that represents this relation is y = 0.75x +3, where x is
Gemiola [76]

Answer:

Yes, the relation is a function.

Step-by-step explanation:

Given:

The equation that represents the cost of riding a cab is given as:

y=0.75x+3

Where, 'x' is the number of miles traveled and 'y' is the the total cost of the trip.

The above equation represents a line as it is of the form y=mx+b which represents a line with constant slope.

Now, in order to plot this equation, we need at least two points.

Now, let x =0, then

y=0.75(0)+3=3. So, (0, 3) is a point on the line.

Let x =1, then

y=0.75(1)+3=3.75. So, (1, 3.75) is a point on the line.

Plot these two points on a graph and draw a line passing through these two points.

Now, for a relation to be a function, it should pass the vertical line test.

According to vertical line test, vertical lines passing through the graph must cut the graph at only 1 point for the graph to represent a function.

Here, we observe that vertical lines passing through the line will intersect the line only at one point. So, it represent a function.

8 0
3 years ago
What is the slope of the line that passes through the points (4,-9) and ? (8,-3) Write your answer in simplest form.
Mariana [72]
The slope of the line =1.5x - 15
8 0
3 years ago
Read 2 more answers
Six notebooks cost $8.34. How much per notebook?
Setler79 [48]
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5 0
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What value of x is in the solution set of 8x-6 &gt; 12 + 2x?<br> Оооо<br> 5
denis-greek [22]

Answer:

x>1

Step-by-step explanation:

6x-6>12

6x>6

x>1

8 0
3 years ago
Read 2 more answers
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