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Alex777 [14]
4 years ago
9

Write an equation passing through the point and parallel to the given line. (4,7);y=3x+4

Mathematics
1 answer:
olga_2 [115]4 years ago
3 0

Answer:

y = 3x - 5

Step-by-step explanation:

y = 3x + 4....the slope here is 3. A parallel line will have the same slope.

y = mx + b

slope(m) = 3

(4,7)...x = 4 and y = 7

now we sub and find b, the y int

7 = 4(3) + b

7 = 12 + b

7 - 12 = b

- 5 = b

so ur equation is : y = 3x - 5 <===

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If four tires can be changed in 3/4 of an hour gow long would it take to change 19 cars​
kobusy [5.1K]

Answer:

14.25 hours

Step-by-step explanation:

Four tires = 3/4 of an hour

=> 1 car = 3/4 of an hour

=> 19 cars = ?

=> If 1 = 3/4

=> 19 = 3/4 x 19

=> 3/4 x 19

=> 57/4

=> 14.25 hours

So, it would take 14.25 hours for 19 car's tires to be changed.

5 0
3 years ago
Restaurant is making hamburgers. The cooks use
likoan [24]

Answer:

70.69

Step-by-step explanation:

46 2/3 divided by 2/3

46.66 divided by 0.66

The anwser is 70.69

If the cook makes twice as much beef then the number of hamburgers would be two times larger which would be 141.39.

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5 0
3 years ago
Slope: ( -1, 5 ) and ( 2, -3 ).
velikii [3]

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Hope this helps.

6 0
4 years ago
Read 2 more answers
Given the system of inequalities below: -3x - y &lt; 12 2x + 3y ≥ 9 Give the coordinates of three points that are members of the
earnstyle [38]

Answer:

The coordinates of the points that are members of the solution set

(-3,7), (0,4) and (2,3)

Step-by-step explanation:

we have

-3x-y< 12 ----> inequality A

The solution of the inequality A is the shaded area above the dashed line

2x+3y\geq 9 ----> inequality B

The solution of the inequality B is the shaded area above the solid line

The solution of the system of inequalities is the shaded area between the dashed line and the solid line

see the attached figure

Remember that,

If a ordered pair is a solution of the system of inequalities, then the ordered pair must be in the shaded area of the solution

Plot the points

(-3, 7), (-3, -7), (3,-7), (-4,-0), (0,-4), (0,4), (2,3), (-2,3), (2,-3)

therefore

The coordinates of the points that are members of the solution set

(-3,7), (0,4) and (2,3)

3 0
4 years ago
A rental car company charges $15/day for a rental car plus 20¢ for every mile driven that day. Which equation models the relatio
nikdorinn [45]
<span>R=15d+0.20R=15d+0.20 is the answer</span>
4 0
3 years ago
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