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igomit [66]
3 years ago
14

Simplify the difference. (–7x – 5x4 + 5) – (–7x4 – 5 – 9x)

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0
The answer is c or the answer is A
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Laura sees a horse pulling a buggy. She wonders how it can accelerate if the action of the horse pulling the cart would causes a
KatRina [158]

Answer:

The net forces exerted on the horse and cart are not the same, so they are not balanced forces.

Step-by-step explanation:

Please see the Newton's 2nd Law which states  that an object accelerates if there is a net or unbalanced force on it. In this scenario there is just one force exerted on the wagon i.e: the force that the horse exerts on it. The wagon accelerates because the horse pulls on it. And the amount of acceleration equals the net force on the wagon divided by its mass.

As there are two forces the push and pull the horse; the wagon pulls the horse backwards, and the ground pushes the horse forward. The net force is determined by the relative sizes of these two forces.

If the ground pushes harder on the horse than the wagon pulls, there is a net force in the forward direction, and the horse accelerates forward, and if the wagon pulls harder on the horse than the ground pushes, there is a net force in the backward direction, and the horse accelerates backward.

If the force that the wagon exerts on the horse is the same size as the force that the ground exerts, the net force on the horse is zero, and the horse does not accelerate.

7 0
3 years ago
Read 2 more answers
a 12- inch ruler is duvided into 3 parts. the large part is 3 times longer than the small. the meddium part is times longer than
damaskus [11]

Answer:

2 inches

Step-by-step explanation:

x= smallest

3x=largest

2x=medium

x+3x+2x=12

6x=12

x=2

so smallest is 2

largest is 6 (3x)

medium is 4 (2x)

2+6+4=12

6 0
4 years ago
Round 27.68 to the nerest tenth​
Helen [10]

Answer:

28

Step-by-step explanation:

68 is closer to hundred

or you can say 27.70

3 0
3 years ago
Read 2 more answers
How do you solve 5,6,7,8,9 and 10 on 1/10 of
weqwewe [10]

you have it right 5 is 1 you just divide it by 10 again but for #7 and 10 its 8 over 10 and 6 over 10 cause its not in the 10s yet hope i helped

7 0
4 years ago
A recipe calls 1/5 teaspoon of baking powder. If the recipe is tripled, how much baking
sergeinik [125]

Answer:

0.6 tsp

Step-by-step explanation:

To triple a number, multiply it by 3.

1/5 tsp × 3 = 0.6 tsp

8 0
3 years ago
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