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2 years ago

A car travels from rest (0) to 60 m/s in 5 seconds. What is its acceleration?

Mathematics

1 answer:

VARVARA [1.3K]2 years ago

3 0

Answer:

Step-by-step explanation:

The formula for acceleration is velocity over time, and when solved, 60 divided by 5 is 12.

Hope this helps!

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Write a trinomial which is degree 2, where the coefficient of the highest degree term is 7.

Nady [450]

Answer:

7x^2 - 2x - 3.

Step-by-step explanation:

Starts with 7x^2 then a term in x then a constant.

4 0

2 years ago

Plllzzz im new and i neeed help

ella [17]

Answer:

4082

Step-by-step explanation:

Given

The composite object

Required

The volume

The object is a mix of a cone and a hemisphere

Such that:

$r = 10cm$ ---- radius (r = 20/2)

$h = 19cm$

<u>Hemisphere</u>

$r=10cm$

The volume of the cone is:

$V_1 = \frac{1}{3}\pi r^2h$

$V_1 = \frac{1}{3}\pi * 10^2 * 19$

$V_1 = \frac{1900}{3}\pi$

The volume of the hemisphere is:

$V_2 = \frac{2}{3}\pi r^3$

$V_2 = \frac{2}{3}\pi 10^3$

$V_2 = \frac{2000}{3}\pi$

So, the volume of the object is:

$V = V_1 + V_2$

$V = \frac{1900}{3}\pi + \frac{2000}{3}\pi$

$V = \frac{3900}{3}\pi$

$V = 1300\pi$

$V = 1300 * 3.14$

$V = 4082$

8 0

2 years ago

What does four more than one-third x

Angelina_Jolie [31]

Answer:

it means 4 times 1/3x

4x/3

3 0

2 years ago

Which of the following measurements are greater than 130 fluid ounces? Select all that apply.

Marianna [84]

Hello!

130 ounces is about 4 quarts so 5 quarts is larger

130 ounces is slightly above 16 cups so 16 cups is lower

130 ounces is about 8 pints so 9 pints is larger

130 ounces is slightly above a gallon so 2 gallons is larger

130 ounces is slightly above a gallon so 1 gallon is smaller

The answers are A) 5 quarts, C) 9 pints, and D) 2 gallons

Hope this helps!

3 0

2 years ago

What 2 numbers add up to 17 and multiply to get -84?

kicyunya [14]

21 and -4, because -4x21 = -84, and 21+-4 (– 4) = 17

6 0

2 years ago