To subtract two rational expressions that have a common denominator, you simply _____ the numerators.

Answers

Answer 1

Answer: The answer is subtract.

For example:

$(3x^2 - 3)/(x+2) - (x^2+6)/(x+2)$

$(3x^2 - 3-x^2-6)/(x+2)$

$(2x^2-9)/(x+2)$

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Ed has 5 coins all of which are quarters and pennies in all they worth 53 cent how many of each kind of coins does Ed have

Answers

Answer:

1 Coin is a quarter and thats 25c then another coin is also a quarter and thats 50c so he has 3 pennis which makes it 5 coins and that gives you 53c

Step-by-step explanation:

Answer:

2 quarters and 3 pennies

Step-by-step explanation:

1 quarter= 25 cents

1 penny= 1 cent

if it were 1 quarter and 4 pennies, it would equal 29 cents, which is too little. if it were 3 quarters and 2 pennies, it would equal 77 cents, which is too much. But 2 quarters and 3 pennies equal exactly 53 cents.

Which numbers multiply to 50 and add to 6

Answers

xy = 50
x + y = 6

$xy = 50$
$(xy)/(x) = (50)/(x)$
$y = (50)/(x)$

$x + y = 6$
$x + (50)/(x) = 6$
$(x^(2))/(x) + (50)/(x) = 6$
$(x^(2) + 50)/(x) = 6$
$x^(2) + 50 = 6x$
$x^(2) - 6x + 50 = 0$
$x = \frac{-(-6) \± \sqrt{(-6)^(2) - 4(1)(50)}}{2(1)}$
$x = (6 \± √(36 - 100))/(2)$
$x = (6 \± √(-64))/(2)$
$x = (6 \± 8i)/(2)$
$x = 3 \± 4i$
$x = 3 + 4i$ $or$ $x = 3 - 4i$

x + y = 6
  3 + 4i + y = 6
- (3 + 4i) - (3 + 4i)
y = 3 - 4i
(x, y) = (3 + 4i, 3 - 4i)

or
  x + y = 6
  3 - 4i + y = 6
- (3 - 4i) - (3 - 4i)
y = 3 + 4i
  (x, y) = (3 - 4i, 3 + 4i)

(x, y) = (3 ± 4i, 3 ± 4i)

The two numbers that multiply to 50 and add up to 6 are 3 ± 4i.

Garcia company is a perfectly competitive firm. the market price of its output is $10. the firm is currently producing 100 units of output. at this level of output, the firmâ€™s average total cost is $8 per unit, its average variable cost is $6 per unit, and its marginal cost is $10 per unit. what is the firmâ€™s profit?

Answers

Answer: $200.
Any firm (regardless of market structure) will maximize profit by producing and selling the quantity at which marginal revenue is equal to marginal cost.In the special case of a perfectly competitive firm,marginal revenue is equal to price.

What is the slope-intercept form of an equation?
pls help me thanks

Answers

Answer:

It is the number before x.

Step-by-step explanation:

An example would be if some said to find the slope intercept form of 5/6x+3 the slope intercept form would be 5/6.

Travis took a taxicab from his office to a meeting on the other side of town. The cab ride cost $8.50 which includes a $2.00 tip. In deciman form, how far is it from his office to the meeting?

Answers

You do not have enough information to solve the problem:
The charge was $6.50 without the tip. You need to know the rate that the taxicab charges in order to solve this problem.

For example if the taxicab charged $1.30 per mile then the answer would be $6.50/$1.30 per mile = 5 miles

Jai earns $9.75 per hour. Jai works 3 hours one day and then works 7 hours the next day

Answers

Answer:

97.50

Step-by-step explanation:

9.75(3) + 9.75(7);

9.75(3+7); 97.50

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