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gtnhenbr [62]
2 years ago
15

Aline crosses the coordinates (-4,-5) and (2, 4). What is the slope of the line?

Mathematics
2 answers:
djyliett [7]2 years ago
7 0

Answer: use the website desmos and plug in the cordinate it gives u the line automaticaly.

Step-by-step explanation:

Makovka662 [10]2 years ago
5 0

Answer:

Slope (m) = 3/2. Follow the workings in the image

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A car travels 312 miles in the same time that a motorcycle traveled 272. If the cars speed is 10mph more than the motorcycles, f
dimaraw [331]

Answer: speed of the car is 88 miles per hour

the speed of the motorcycle is 78 miles per hour

Step-by-step explanation:

Number of miles travelled by car = 312

Number of miles travelled by motorcycle = 272

Let x = speed of the car

Let y = speed of the motorcycle

If the car's speed is 10mph more than the motorcycle's, it means

x = y + 10 - - -- - - 1

Time taken for car to travel 312 miles is distance /speed = 312/x

Time taken for motorcycle to travel 272 miles is distance /speed = 272/y

The car travels 312 miles in the same time that a motorcycle traveled 272.

This means

312/x = 272/y

312y = 272x

y = 272x/312

Substituting y = 272x/312 into equation 1, it becomes

x = 272x/312 + 10

312x = 272x + 3120

312x-272x = 3120

40x = 3120

x = 3120/40 = 78 miles per hour

x = y + 10 = y + 78

x = 88 miles per hour

3 0
2 years ago
Let f(x)=-x-7 find f(-6)
pashok25 [27]

Answer:

x=6f-7 is the correct answer.

7 0
3 years ago
Three times the sum of a number and seven is greater than five times the number less thirteen
Vlad [161]
3x(d+7) < 5d-13 (I think it is
8 0
2 years ago
Make an equation that is equal to 2/3
wariber [46]

Answer:

Replace the 4 with a 3 to make the equation true

5 0
2 years ago
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Beth saved $30 last summer while Carmen saved $80.what is the ratio of beths savings to Carmens
Licemer1 [7]
Answer: 3:8

Explanation: To get this you have to divide each number by the two numbers' GCF (Greatest Common Factor) and in this case the GCF is 10, so you divide both numbers by 10 and get 3 and 8.
5 0
2 years ago
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