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1 year ago

Write the equation of a line with the given slope that goes through the given point.

Mathematics

1 answer:

mihalych1998 [28]1 year ago

8 0

Answer:

7) y +5 = -(x -3)

8) y -2 = 5/3(x -3)

Step-by-step explanation:

The point-slope form of the equation for a line is ...

y -k = m(x -h) . . . . . line with slope m through point (h, k)

7) y +5 = -(x -3)

8) y -2 = 5/3(x -3)

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A car and a motorcycle leave the city at the same time and drive to a lake that is 120 km away. The speed of the motorcycle is 2

iris [78.8K]

Answer:

40 km/h and 60 km/h

Step-by-step explanation:

Let the speed of the car is x, then the speed of motorcycle is x + 20

The distance = 120 km

120/x = 120/(x + 20) + 1
120(x + 20) = 120x + x(x +20)
120x + 2400 = 120x + x² + 20x
x² + 20x = 2400
x² + 2*10x + 10² = 2500
(x + 10)² = 50²
x + 10 = 50
x = 40

Speed of the car is 40 km/h

Speed of the motorcycle is 60 km/h

3 0

2 years ago

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Is the triangle a right triangle? Explain.

Eddi Din [679]

Answer:

The triangle is not a Right Triangle because the two acute angles aren't exactly 45 degrees.

Step-by-step explanation:

4 0

3 years ago

A teacher Buys tickets for each of my students to visit a museum each student and $6.50 and she spent a total of $182 how many s

vaieri [72.5K]

Answer:

The ticket is bought for 28 students.

Step-by-step explanation:

It is given that the teacher is going to buy museum ticket for each students.

Total money spent = $182

Price of each ticket = $6.50

Let total number of tickets bought = $x$

We know that to find the total amount of money spent on ticket, we can add price of each ticket (i.e. $6.50) $x$ number of times.

In other words, simply multiply the number of tickets with price of each ticket to find the total money spent.

Total money spent = $x \times 6.50$

We know that total money spent is $182.

$\Rightarrow x \times 6.50 = 182\\\Rightarrow x = \dfrac{182}{6.50}\\\Rightarrow x = 28$

The ticket is bought for 28 students

8 0

3 years ago

What operation am I gonna use for both of t hem I'm not sure??

gogolik [260]

Division I'm pretty sure Try that

6 0

2 years ago

What is answer to this its my home work

Elena L [17]

16 1/2 is the answer

7 0

3 years ago

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