MATHEMATICS HIGH SCHOOL

A calculator is allowed on this question.For what value of the coefficient, C, will the equation have no solution?
HELP PLS HOW DO I DO THIS STEP BY STEP!!

Answers

Answer 1

Answer:

Answer:

C. 2/3

Step-by-step explanation:

You want the value of C that makes the equation have no solution.

(3/4)(5 +(C/2)x) +2 = (x +7)/4

Simplify

A calculator is not needed to simplify the equation. We can start by multiplying both sides by 4.

3(5 +(C/2)x) +8 = x +7

15 +(3C/2)x +8 = x +7

(3C/2)x +23 = x +7

No solution

This will have no solution if the coefficient of x is the same on both sides of the equal sign.

3C/2 = 1

Multiplying by 2/3 gives ...

C = 2/3

The value 2/3 for C will make the equation have no solution, choice C.

Additional comment

When C=2/3, the equation becomes one that reduces to ...

(x +23)/4 = (x +7)/4 . . . . . no value of x will make this true.

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Answer 2

Answer:

Answer:

2/3

Step-by-step explanation:

3/4 * (5+ 2/3/2*x)+2 = x+7/4

Simplify

3/4(5+ 1/3x)+2 = x+7/4

15/4 + 1/4x +2 = x+7/4

23/4 + 1/4x = x+7/4

Cancel terms (multiply by 4 to get rid of 4)

23 + x = x + 7

23 = 7

false :)

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Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =A) 20
B) 28.5
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Answers

(40/20)*12.5=20 is your answer .-.

Answer:

A.) 20

Step-by-step explanation:

(40/25)*12.5=20

Hope this helps.

True or false: is a rectangular also a square

Answers

I do not believe so, because a square is in the rectangle family. If a rectangle was in the square family, it would have to have all sides the same length, wich wouldnt make it a rectangle anymore.

If you subtract 12 from my number and multiply the difference by −3, the result is −60.

Answers

Answer:

Step-by-step explanation:

-60 + 12 = -48

-48 divided by -3 is 16

the answer is 16

Simplify 2m - [n - (m - 2n)].

-3m - n
3m - n
-3m - 3n
3m - 3n

Answers

2m - [n - (m - 2n)]

2m - n + (m - 2n)

2m - n + m - 2n

2m + m - n - 2n

3m - 3n

Answer is D.

Hey guys I'm pretty sure I got the first two questions but if I didn't can you help me and I need help with the last two questions.

Answers

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James works as a waiter. He served meals with bills of $23.59, $40.65, $30.50, and $15.68. If his total for tips was $17.67, what percent tip did he receive for serving these meals? Round your answer to the nearest percent?

Answers

1. James works as a waiter.
He served food with the following price
=> 23.59 dollars
=> 40.65 dollars
=> 30.50 dollars
=> 15.68 dollars
Let’s add this altogether:
=> 23.59 + 40.65 + 30.50 + 15.68
=> 110.42 the total of the ordered food.
Now, James received a tip of 17.67 dollars. Find the interest rate of his tip.
=> 110.42 * .50 = 55.21, thus the interest rate of tip is less than 50%
=> You can do trial and error to get the correct rate,
=> 110.42 * .16 = 17.67, thus he received 16% tip

Answer:

16% percent would be the answer if you have plato Your welcome plato users.=)

Step-by-step explanation:

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