A Ferrari drove 300 kilometers in one and a half hours. How fast was the car going?

Answers

Answer 1

Answer: 200 kilometers per hour = 124.274 miles per hour.

If you take 1.5 hours and divide it into .5 hours, you'd have 3. 300/3=100. 100 kilometers*2= 200 kilometers per hour.

Answer 2

Answer:

200 kilometers per hour

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sally bought five dozen eggs from the grocery store to bake some cakes. She plans to bake the cakes. She plans to bake the cakes over eight days. How many eggs did Sally buy.

Answers

5 dozen eggs, or 60 (12×5)

5 dozen eggs is the answer

What is the answer of 3-3+6+2

Answers

3-3+6+2

=3-3+8

=3+5

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The following 3-D object is composed of identical cubes. The volume of the 3-D object is 56cm cubed. The surface area of the 3-D object is
a) 30cm squared
b) 60cm squared
c) 120cm squared
d) 144cm squared

Answers

There are 7 equal cubes by inspection that make up the shape.

Each cube has a volume of: (56 cm^3)/7 = 8 cm^3

To find side dimension of cube (knowing a cube is the 3D extrusion of a square meaning all sides are equal:

s = (side dimension) = (8 cm^3)^(1/3) = 2 cm

Also by inspection, there are 5 exposed faces on 6 of the 7 cubes. To find the total surface area, multiply number of exposed faces per cube by the surface area of a single face:

S.A. = 5(6)(2*2) = 120 cm^2

The correct answer is C). 120cm squared

How to write the ratio 8:30 as a fraction in simplest form

Answers

4/15 is the ratio 8:30 in its simplest fractional form.

All you have to do it cut it in half if you can then you just put it in fraction wise.( 4/15 )

Liam had $250. Then, he and his classmates bought a present for their teacher, evenly splitting the $120 among the e of them. How much money does Liam have left? Write your answer as an expression.

Answers

Answer:

$250-(120)/(e)$

Step-by-step explanation:

We have been given that Liam and his classmates bought a present for their teacher, evenly splitting the $120 among the 'e' of them.

This means that number of all students is 'e'. To find the cost of present for each student, we will divide 120 by e.

$\text{Cost of present for each student}=(120)/(e)$

Since Liam had $250, so we need to subtract $(120)/(e)$ from 250 to get amount Liam has left:

$\text{Amount Liam has left}=250-(120)/(e)$

Therefore, our required expression would be $250-(120)/(e)$ .

Liam Splits $40 With The 3 Of Them Out Of $120 And Liam Has 130 Because 250-120=130

Explain how to right 50,000 as a exponents

Answers

50,000 = 5 · 10,000 = 5 · 10⁴

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