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Sedaia [141]
3 years ago
14

How far can a cyclist travel in 1.5 hours if his average speed is 12 km/hr?

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

A cyclist can travel 18 kilometres in 1.5 hours.

Step-by-step explanation:

The ratio for the cyclist's speed is 12 km/1 hr. If I were to find the ratio for kilometres per 1.5 hour, I would need to multiply the denominator of 1 (aka 1 hour) by 1.5 to get (1.5 hours). Whatever you do to the bottom, you have to do to the top. So I multiply the numerator of 12 (12 km) by 1.5 to get 18 km.

12 km/1 hr → 18 km/1.5 hrs

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Subtract: (y3 + 5y2 - 3y) - (2y2 - 4y + 1)
PtichkaEL [24]

Answer:

I think the answer is B or C

3 0
3 years ago
Suzan normally earns $300 a month working part time at an appliance store. She worked 17 hours extra over a holiday weekend, for
Alexxx [7]

Answer: Correct answer is not listed, is there an option for D? Or was the question worded wrong?

The correct answer to the question you asked would be $716.50

Step-by-step explanation:

17 hours × $24.50 = $416.50

But it says she usually earns $300, and this month she worked 17 extra hours.

So to me, that sounds like you would add her usual earnings to her extra earnings to get the total for the month.

$300 + $416.50 = $716.50

However, if there is not an option for this amount, then the question was just worded a little off and the next best answer would be $416.50 which is the amount of extra income she made while working those extra 17 hours.

6 0
3 years ago
¿Cuál de las siguientes funciones es una función constante? Seleccione una: a. Y=x+1 b. Y=x+2 c. X=y+3 d. Y=3
JulijaS [17]

Answer:

Option D y=3

Step-by-step explanation:

The question in English is

Which of the following functions is a constant function?

we know that

A <u>constant function</u> is a function whose output value is the same for every input value

so

<u><em>Verify each case</em></u>

case A) y=x+1

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case B) y=x+2

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case C) x=y+3

This is not a constant function, this is a linear equation

Is a function whose output value is different for every input value

case D) y=3

This is a constant function

Is a function whose output value is the same for every input value

3 0
4 years ago
What is central and inscribed angle​
kow [346]

Answer:

An inscribed angle is an angle formed by two chords in a circle which have a common endpoint. This common endpoint forms the vertex of the inscribed angle. The other two endpoints define what we call an intercepted arc on the circle. The intercepted arc might be thought of as the part of the circle which is "inside" the inscribed angle.

5 0
3 years ago
Find the slope and y-intercept of the line<br><br> y=-1/5x+9
belka [17]

Answer:

Step-by-step explanation:

Slope and y-intercept form of a line: y =mx + b

m -> Slope;     b -> y-intercept

y = (-1/5)x + 9

Slope = -1/5

y-intercept = 9

3 0
3 years ago
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