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2 years ago

Thank you so much, really.

Mathematics

1 answer:

Nataly_w [17]2 years ago

4 0

If a point is a solution to the system, then the point (x, y) coordinate will satisfy both the linear equation. Then the correct option is D.

<h3>What is the solution to the equation?</h3>

The distribution of weights to the variables involved that establishes the equilibrium in the calculation is referred to as a result.

A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.

If a point is a solution to the system, then the point (x, y) coordinate will satisfy both the linear equation.

Then the correct option is D.

More about the solution of the equation link is given below.

brainly.com/question/545403

#SPJ1

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The speed of a motorcycle increases from 10km/hr to 50km/hr in 9 seconds. What is its acceleration?

ivanzaharov [21]

Acceleration of motorcycle= 1.23m/s^2

Step-by-step explanation:

We need to find the acceleration of motorcycle When its speed increases from 10km/hr to 50km/hr in 9 seconds

Given:

Initial speed= 10km/hr

Final speed= 50km/hr

Time = 9 seconds

Acceleration = ?

Formula: $Acceleration =\frac{Change\,\,in\,\,velocity}{time}$

Solution:

We will first convert the speed from km/hr to m/s

Converting Initial speed 10km/hr into m/s

1 km = 1000 m

10 km = 10,000 m

and 1 hr = 3600 s

So, Initial speed = 10,000/3600 = 2.77 m/s

Converting Final speed 50km/hr into m/s

1 km = 1000 m

50 km = 50,000 m

and 1 hr = 3600 s

So, Initial speed = 50,000/3600 = 13.88 m/s

Now Using formula of acceleration:

$Acceleration =\frac{Change\,\,in\,\,velocity}{time}\\Change\,\,in\,\,velocity =Final\,\,speed-Initial\,\,speed\\Change\,\,in\,\,velocity=13.88 - 2.77\\Change\,\,in\,\,velocity = 11.11 m/s\\Acceleration =\frac{11.11}{9}\\Acceleration =1.23 m/s^2$

So, Acceleration of motorcycle = 1.23m/s^2

Keywords: Acceleration, Change in speed

Learn more about Acceleration at:

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y + 15 < 3

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Answer:

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Step-by-step explanation:

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