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White raven [17]
2 years ago
10

To find the driver's initial speed

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
3 0

The speed of the driver is 200km/hr.

<h3>How to calculate the speed?</h3>

The information is incomplete and an overview will be given since the complete information wasn't found online.

It should be noted that speed is calculated as:

= Distance / Time

Let distance = 2000km

Let time = 10 hours.

Speed = Distance/Time

Speed = 2000/10

Speed = 200km/hr

Learn more about speed on:

brainly.com/question/4931057

#SPJ1

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Equation of a straight line (see attached)
Viefleur [7K]

Answer:

y = 2x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = A(4, 7) and (x₂, y₂ ) = B(2,3)

m = \frac{3-7}{2-4} = \frac{-4}{-2} = 2 , thus

y = 2x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, 3), then

3 = 4 + c ⇒ c = 3 - 4 = - 1

y = 2x - 1 ← equation of line

8 0
3 years ago
Read 2 more answers
Find the area?<br> Show work
Ivenika [448]

Answer:

294 square units

Step-by-step explanation:

35^2-21^2=a^2

a^2=784

square root 784=28

21*28/2=294

Answer=294

4 0
3 years ago
PLEASE HELP!
vitfil [10]

Answer: c

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Someone please help me
Maksim231197 [3]

Answer:

c

Step-by-step explanation:

5 0
2 years ago
5d2-50d+125 = <br> Fully factor each expression
Ede4ka [16]
First, let's start off by simplifying as much as possible before factoring.

5d^2 - 50d + 125

We can divide all the numbers by 5 in order to simplify it:

5(d^2 - 10d + 25)

Now all we need to do is factor.
Since -5*-5 = 25 and -5 - 5 = -10, we can use this to factor:

5(d - 5)(d - 5)
Or
5(d - 5)^2
8 0
3 years ago
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