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3 years ago

It cost $660 to put on the sschool play.How many tickets must be sold at $6 apiece in order to make a profit?

1 answer:

3 0

111 tickets, because 660 divided by 6 equals 110 which is the number of tickets you need to make no profit and if you sell one more ticket you make a profit.

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Solve the following quadratic function

earnstyle [38]

Answer:

x = 10/7 or x = -10/7

Step-by-step explanation:

By using the completing the squares method, we have to divide the coefficient of the x term by 2, square it and add to both sides

From what we have here, the coefficient of the x term is 0

Thus, we have it that;

0 = 100 - 49x^2

We can proceed to use the difference of two squares here;

Whereby;

a^2 - b^2 = (a-b)(a + b)

0 = (10-7x)(10+7x)

10 - 7x = 0 or 10 + 7x = 0

7x = 10 or 7x = -10

x = 10/7 or x = -10/7

4 0

2 years ago

X^2+20=2x what are the values of x?

morpeh [17]

Answer:

No real solutions.

Step.-by-step explanation:

Step 1: Subtract 2x from both sides.

For this equation: a=1, b=-2, c=20

Step 2: Use quadratic formula with a=1, b=-2, c=20.

3 0

2 years ago

Read 2 more answers

Ask me question plz........

Crank

Answer:

If You Had Three Wishes, What Would You Wish For?

Step-by-step explanation:

Is this what you mean?

6 0

3 years ago

Read 2 more answers

Michelle and her roommate rent an apartment for $798 a month. Each of them pays half. Because there are about 4 weeks in a month

matrenka [14]

Answer:

yes

Step-by-step explanation:

half of $798 is $399. $100 a week × 4 = $400. 400 is very close to 399, so yes it would be a food estimate. Hope this helps! :)

7 0

2 years ago

5/6-1/8 Solve by finding a common denominator A)30/48 B)34/48 C)38/48 D)42/48

GrogVix [38]

Answer:

B) 34/48

Step-by-step explanation:

The easiest common denominator to find is the product of the denominators you have.

The difference is ...

$\dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}$

Additional comment

The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.

5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result

Using the least common denominator does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.

8 0

1 year ago