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Brilliant_brown [7]
3 years ago
15

Which has the best unit rates how work willnmark brainsest

Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
64 oz for $8.60 has the best unit rate.
First find the unit rate for the both of them.
The unit rate of 16 oz for $3.30 = 3.30/16 = $0.21 to the nearest cent.
The unit rate for 64 oz for $8.69 = 8.69/64 = $0.13 to the nearest cent.
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You are a traffic accident investigator. You have arrived at the scene of an accident. Two trucks of equal mass (3,000 kg each)
Kazeer [188]

Answer:

1) Kinetic energy of the truck 1 is 600,000 joules.

Kinetic energy of the truck 2 is 1,837,500 joules.

2 a)Potential energy of truck 1 is 646,800 Joules.

b) Energy lose by the truck 1 just got converted into heat and sound energy during the collision.

Step-by-step explanation:

Mass of the truck 1 and truck 2,m = 3000 kg

Velocity of the truck 1, v_1 = = 20 m./s

Velocity of the truck 2,v_2 = 35 m./s

1. Kinetic energy of the truck 1:\frac{1}{2}mv_{1}^2=\frac{1}{2}\times 3000 kg\times (20 m/s)^=600,000 joules

Kinetic energy of the truck 2:\frac{1}{2}mv_{2}^2=\frac{1}{2}\times 3000 kg\times (35 m/s)^=1,837,500 joules

2.a) Energy loose by the truck 1:

Initial height of the truck on the hill = 22 m

At that height potential energy will be maximum:

Potential energy of truck 1 at that height = mgh=3000\times 9.8 m/s^2\times 22 m=646,800 Joules

b) Energy lose by the truck 1 just got converted into heat and sound energy during the collision.

3 0
3 years ago
In February Liliana spent 35 hours watching Netflix. In march she only spent 18 hours watching. What was the percent decrease in
ArbitrLikvidat [17]
I think the answer would be a
3 0
2 years ago
What is this simplified ​
ki77a [65]

Answer:

84

Step-by-step explanation:

18816 divided by 224 is 84

4 0
3 years ago
Neil mixes 1\10 liter of red paint with 3/10 of yellow how many liters of paint does neil have
frozen [14]

Answer:

4/10

Step-by-step explanation:

1/10 + 3/10 = 4/10

6 0
3 years ago
Read 2 more answers
Multi-Step Equation 2: Solve for x. Show your steps.<br> 6 - 5x + 2 = 3x - 12 + 2x
amm1812

Answer:

The answer is x = 8/5

Step-by-step explanation:

6 - 5x + 2 = 3x - 12 + 2x

4 - 5x = 5x - 12

4 = 10x - 12

16 = 10x

8/5 = x

4 0
2 years ago
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