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Pavel [41]
2 years ago
9

The speed of a bus from University A to University B was decreased by 20% to 48 miles per hour. What was the speed of the bus be

fore the decrease?
Mathematics
1 answer:
Lunna [17]2 years ago
5 0

Answer:

initial speed: 240 m/h

Step-by-step explanation:

48 m/h is the current speed which is the 20% of X

x (20 / 100) = 48

20x = 4800

x = 4800/20

x = 240 m/h

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Identify the roots of the quadratic function.
Anna [14]

Answer:

A. x=0 and x=4

Step-by-step explanation:

The roots of a quadratic function are the x intercepts of the parabola. In this case, the roots are 0 and 4 because the parabola intercepts the x axis twice in these points.

Your answer is A. x=0 and x=4

Hope I helped!

4 0
3 years ago
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In a classroom of students 3 out of 5 students are boys. If the total amount of students is 35 how many students are boys. Pleas
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hope that helps

6 0
2 years ago
A new college, The University of Discrete Structures, is opening in Boulder! Ioana and Rachel are its founders and are holding a
Rama09 [41]

Answer:

  (a) 9 buildings

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Step-by-step explanation:

The number of distinct non-empty subsets of b objects is 2^b -1. Since the subsets are distinct, each could represent a list of the buildings, from the set of b buildings, in which a student is taking courses.

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3 0
3 years ago
Ms.fox asked her class is the sum of 4.2 and the square root of 2 rational or irrational
goldfiish [28.3K]
It is irrational. Otherwise sqrt(2) would be rational too which is not true.

3 0
3 years ago
Convert this rational number to its decimal form and round to the nearest thousandth 5/7
Ksju [112]

The rational number, 5/7 converted to a decimal is 0.714.

<h3>What is the decimal?</h3>

A rational number is a number that can be expressed as a fraction of two integers.

A decimal is a non-integer in which the integers are separated from the non integers by a point. In order to convert the fraction to a decimal, divide the numerator by the denominator.

5/7 = 0.714

To learn more about rational numbers, please check: brainly.com/question/20435423

#SPJ1

6 0
2 years ago
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