A car is traveling at a speed of 75 km/h. Compute the speed of the car in m/s.

Answers

Answer 1
Answer: The speed of 75 km/h is (7500)/(3600) =  (75)/(36) = 2.08(3) m/s
Answer 2
Answer: 2.08 m/s would be the speed.

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A small silver dollar pancake served at a restaurant has a circumference of 2 inches. A regular pancake has a circumference of 4 inches. Is the area of the regular pancake twice the area of the silver dollar pancake? Explain.

Answers

C=(2)(pi)(radius)
A=(pi)(radius)^2

Area of small silver dollar pancake=4pi
Area of regular pancake=16pi
16pi/4pi=4 times bigger than silver dollar pancake
NO, because in order to find the area of a circle you need to multiply pi with radius squared.

Write 240000 in standard form

Answers

Final answer:

The standard form of 240000 in arithmetic is 240000 and in scientific notation it is 2.4 x 10^5.

Explanation:

The question is asking to write the given number, 240000, in standard form. In arithmetic, standard form usually refers to writing the number as it normally appears without any mathematical operations involved. However, in scientific notation, the standard form of a number is written as a number between 1 and 10 multiplied by a power of 10. Therefore, the standard form of 240000 in arithmetic is just 240000 whereas in scientific notation it is 2.4 x 10^5.

Learn more about Standard Form here:

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Answer:

240,000

Step-by-step explanation:

standard form means the way you would write it

Let f(x)=2x-6. solve f^-1(x) when x=2.

Answers

f(x)=2x-6\n y=2x-6\n 2x=y+6\n x=(1)/(2)y+3\n f^(-1)(x)=(1)/(2)x+3\n f^(-1)(2)=(1)/(2)\cdot2+3\n f^(-1)(2)=1+3\n f^(-1)(2)=4
a) Calculating f⁻¹(x)

y=2x-6\n \n x=2y-6\n \n 2y=x+6\n \n y=(x+6)/(2)\n \n \boxed{f^(-1)(x)=(x+6)/(2)}

b) Calculating f⁻¹(2)

\boxed{\boxed{f^(-1)(2)=(2+6)/(2)=(8)/(2)=4}}


The image point of A after a translation left 1 uint and down 2 units is the point B (1,-4). Determine the coordinates of the pre-image point A

Answers

Answer:0,2

Step-by-step explanation:

8u+3-u+2u=9 please help me I really need help in this

Answers

8u + 3 - u + 2u = 9

(8 - 1 + 2)u + 3 = 9

9u + 3 = 9  |subtract 2 from both sides

9u = 6    |divide both sides by 9

u = 6/9

u = 2/3

How do I factor -8X^2+200?

Answers

8x² + 200
-8(x²) - 8(-25)
-8(x² - 25)
-8(x² + 5x - 5x - 25)
-8(x(x) + x(5) - 5(x) - 5(5))
-8(x(x + 5) - 5(x + 5))
-8(x - 5)(x + 5)