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2 years ago

Rohit takes4 4/5minutes to make a complete round of a circular park.How much time hi will take to make 15rounds

Mathematics

1 answer:

jolli1 [7]2 years ago

6 0

Answer:

Rohit takes 4 4/5 minutes ( =4.8 minutes) to make a complete round of a circular park. For finishing 15 rounds, he needs time T:

T = 15 x 4.8 = 72 minutes

Hope this helps!

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2 years ago

In order to solve the following system of equations by addition, which of the

Pavlova-9 [17]

Answer:

Multiply the top equation by -3 and the bottom equation by 2

Step-by-step explanation:

Given system of equations:

$\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}$

To solve the given system of equations by addition, make one of the variables in both equations sum to zero. To do this, the chosen variable must have the same coefficient, but it should be negative in one equation and positive in the other, so that when the two equations are added together, the variable is eliminated.

To eliminate the variable y:

Multiply the top equation by -3 to make the coefficient of the y variable 6:

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Multiply the bottom equation by 2 to make the coefficient of the y variable -6:

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Add the two equations together to eliminate y:

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Solve for x:

$\implies -6x=9$

$\implies x=-\dfrac{9}{6}=-\dfrac{3}{2}$

Substitute the found value of x into one of the equations and solve for y:

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$\implies y=-\dfrac{13}{2}$

Learn more about systems of equations here:

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1 year ago

Read 2 more answers

Help please

Leno4ka [110]

H = hrs she worked
p = phone calls she answered

h x 10 + p x .25 = maggies earnings

Part A
h x 10 + 60 x .25 = 115

Part B
h x 10 + 15 = 115 (multiplied 60 x .25)
h x10 = 100 (subtracted 15 from each side of the equation)
h = 10 (divided 10 into each side)

Part C
10 hrs

Hope this helps

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2 years ago

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What is the mean of the values in the dot plot? Enter your answer in the box.

ziro4ka [17]

Answer:

The mean is 19.5

Step-by-step explanation:

You have to add all of the numbers up then divide by how many numbers there are.

Ex: 5, 5, 6, 7

add them up and you get 23

Divide 23 by how many numbers you have, which in this case, is 4

The answer to this example would be 5.75

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2 years ago

$175 for 5 football game tickets how much is per ticket

vodomira [7]

For one ticket is $35

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3 years ago

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Rohit takes4 4/5minutes to make a complete round of a circular park.How much time hi will take to make 15rounds​

Rohit takes4 4/5minutes to make a complete round of a circular park.How much time hi will take to make 15rounds