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laila [671]
3 years ago
9

What is the slope?

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0
Select any two coordinates from the graph such as (7,4) and (9,7). The formula of slope is rise/run or y2-y1/x2-x1
(4-7/(7-9)=(-3)/(-2)= 1.5
The slope of the graph is 1.5!
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Q2. A train travels at a constant speed of 45 m/s. a) Calculate the distance travelled by the train in:
alex41 [277]

Answer:

i) 1350 m

ii) 5400 m

Step-by-step explanation:

<u>Formula for Speed</u>

\boxed{\sf Speed=\dfrac{Distance}{Time}}

Rearrange the formula so that Distance is the subject:

\implies \sf Distance = Speed \times Time

<h3><u>Question (i)</u></h3>

Given:

  • Speed = 45 m/s (meters per second)
  • Time = 30 seconds

Substitute the given values into the formula for distance:

\implies \sf Distance = 45 \times 30 = 1350\:m

<h3><u>Question (ii)</u></h3>

Given:

  • Speed = 45 m/s (meters per second)
  • Time = 2 minutes

As the time is given in a different unit of time as the speed, we must first convert the time into seconds:

1 minute = 60 seconds

⇒ 2 minutes = 60 × 2 = 120 seconds

Therefore:

  • Speed = 45 m/s (meters per second)
  • Time = 120 seconds

Substitute the values into the formula for distance:

\implies \sf Distance = 45 \times 120 = 5400\:m

3 0
11 months ago
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Please help me with number 12!
Olegator [25]
The answer is 10 quarters because 10 quarters would be $2.50. You would need 3 more nickles to get $2.65. 10 would be 7 more than 3.
4 0
3 years ago
To form
Andreas93 [3]

Answer:

40 toothpicks

Step-by-step explanation:

3 times 4 equals 12, so I would multiply 10 times 4 and get 40.

7 0
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How many minutes are in m hours?
notka56 [123]

Answer:

the 2nd one (60m minutes)

Step-by-step explanation:

60 minutes in an hour, so if m is the number of hours you would times that by the number of minutes in an hour which is sixty. 60m is 60 times m

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vitfil [10]
F(x) = 3x-6
add 6 to each side
6=3x
dived each side by 3
2=x
3 0
3 years ago
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