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vlada-n [284]
3 years ago
11

Percentage change 42 increased to 145

Mathematics
1 answer:
dedylja [7]3 years ago
3 0
The answer should be 103? because when you add 103 to 42 u should get 103%.
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Ganezh [65]

Answer:

Hello! symmetry

Step-by-step explanation:

Symmetry is a mirror image of an image.

Cut a hexagon in half for example

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Two miners are trying to push a stationary mine cart filled with gold. Miner A is exerting 25 N while miner B is exerting 20 N.
Oliga [24]

Answer:

b. 45 N

Step-by-step explanation:

The sum of the forces exerted by the two miners = 25 + 20

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Since after applying a force of 45 N by the two miners the cart remained stationary, it implies that a resistance force of at least 45 N acts against their push. Thus, the force exerted by the road could be equal to 45 N or greater than 45 N.

Probably, if the sum of the forces applied is 46 N, the cart would move. Which depends on the value of resistance force applied by the road. Thus, the appropriate answer from the given option is B.

Since the force applied on the cart equals the resistance force exerted by the road, the cart would not move.

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2 years ago
How to use substitution to solve system of equations
svlad2 [7]

Answer: See explanation.

Step-by-step explanation:

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In order to use that method to solve the System of equations, you can follow the steps shown below:

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Step 3: Now you must solve for the other variable in order to find its value.

Step 4: Finally, you need to substitute the value of the variable obtained in the previous step, into the "Equation A" and then evaluate in order to find the value of the other varibale.

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It’s D it’s the last one
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