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AlladinOne [14]
2 years ago
11

Sally paid $1.50 for 2\frac{1}{2}2 2 1 ​ pounds of apples at the Grocery Mart. Fred paid $1.95 for 3 pounds of apples at the Cor

ner Fruit Stand. Who paid less money per pounds for their apples, Sally or Fred? Show the computation to find each unit rate.
Mathematics
1 answer:
Semmy [17]2 years ago
7 0

Answer: Sally paid less

Step-by-step explanation:

From the question, Sally paid $1.50 for 2 1/2 pounds of apples at the Grocery Mart. The cost per pound of apple will be:

= $1.50 ÷ 2 1/2

= $1.50 / 2.5

= $0.6 pee pound of apple

Fred paid $1.95 for 3 pounds of apples at the Corner Fruit Stand. The cost per pound of apple will be:

= $1.95 / 3

= $0.65 pee pound of apple.

Sally paid less

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True or false. A binomial,where both terms are perfect squares, will always factor
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Step-by-step explanation:

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A large rock (mass = 4.0 kg) moving at a velocity of 2.0 m/s has a momentum of _______ kg*m/s
Elodia [21]

Step-by-step explanation:

❁ \underline{ \underline{ \text{Given} }}:

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❁ \underline{ \underline{ \text{ \: To \: find}}}:

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✑ \underline{ \underline{ \text{Solution}}} :

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plug the known values :

⟹ \sf{Momentum = 4.0 \: kg \:  \times  \: 2.0 \:m/s }

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\red{ \boxed{ \boxed{ \tt{⟿ \: Our \: final \: answer :   \bold{ \underline{8} }\: kg*m/s}}}}

⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆

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Imagine that a car and a truck both have the same speed on the road. Which one can stop easily ? Of course , it is hard to stop the truck relative to the car. The reason is that the car and the truck have the same speed bit different masses. Thus , we can say that to stop a heavier body is harder than to stop a lighter one even both of them have the same speed.

If two tennis balls are hit towards you in different velocities , it is not equally easier to stop them. The ball in more velocity is difficult to stop relatively. Thus , we can say that to stop a body in more velocity is harder than to stop a body with less velocity , eventhough they have the same speed.

The physical quantity that describes the quantity of motion of a body is called momentum. The momentum of a moving body or linear momentum is defined as the product of mass & velocity of a moving body.

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Momentum = mass × velocity

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The SI unit of momentum is kg • m/s. Since velocity is a vector quantity and multiplied with mass ( scalar quantity) , momentum becomes a vector quantity. Direction of momentum is the same as velocity.

Hope I helped ! ♡

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7 0
3 years ago
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Answer:

6 sqrt(3) = y

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