Q: 15 questions add 250 if they are correct and subtract 150 if incorrect the final score is 2150 how many were correct?

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To estimate the difference, you find the difference first. To find the difference, you subtract the numbers you are given. Then you estimate your final answer (the difference).

Yes.

Make the denominators the same using equivalent fractionsAdd or subtract the numerators.Change the result to a mixed fraction if the numerator is larger thanthe denominator.Simplify the final result if possible.

You can't. For example if your equation is: 2x+7=12 then you will subtract 7 by itself, then subtract 7 from 12. You then get 2x=5. You will then divide 5 by 2 and you will get x=2.5 as your final answer.

It will depend on how accurate the final answer is. More questions will provide a more accurat answer.

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yes ,each word must be spelled correct even if said incorrect

To calculate Dr. Smith's score, you would first multiply the number of correct answers by 2 to get the total points for the correct answers. Then, multiply the number of incorrect answers by -23 to get the total points deducted for incorrect answers. Finally, add up the total points for correct answers and total points deducted for incorrect answers to get Dr. Smith's final score on the chemistry midterm.

You can subtract 679.

When calculating acceleration to find the change in velocity, you subtract the initial velocity from the final velocity. The formula for acceleration is: acceleration = (final velocity - initial velocity) / time.

To find acceleration, you subtract the initial velocity from the final velocity and then divide by the time taken to achieve the change in velocity. The formula for acceleration is (final velocity - initial velocity) / time.

Subtract the initial from the final

There are 50 questions in ccna1 final exam.

Incorrect sketching could result an incorrect final product.

"Il s'appelles" is incorrect in French. The correct phrase is "Il s'appelle," which means "He is called" or "His name is."

If there are 40 questions - each question is worth 2.5 % of your final mark. Therefore 28 correct answers will give you a 70% pass.

The final answer is -10,862.

To estimate the difference, you find the difference first. To find the difference, you subtract the numbers you are given. Then you estimate your final answer (the difference).