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kolezko [41]
3 years ago
11

Three-fourths of the tickets had been sold, and there were 420 tickets left. How many tickets were printed?

Mathematics
2 answers:
Reil [10]3 years ago
8 0

Answer:

Step-by-step explanation:

420 = 1/4 so 4/4 is 4 420s

420 x 4 = 1680

Mandarinka [93]3 years ago
5 0

Answer:

There are 1680 tickets

Step-by-step explanation:

If 3/4 of the tickets are sold

1 - 3/4 of the tickets are unsold

4/4 -3/4 = 1/4

There are 1/4 of the tickets left

There are 420 tickets left

1/4 of the tickets = 420

Multiply each side by 4

4*1/4 tickets = 4*420

tickets = 1680

There are 1680 tickets

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Which of the following is the correct solution to the linear inequality shown below?
Georgia [21]
Correct answer is C.

Line y=\frac{1}{3}x-2 intersects y-axis at -2 and passes through the point (3,-1).

Line must be dashed, because the inequality sign is ">".

Point (0,0) must lie in the solution set because it satisfies inequality y>\frac{1}{3}x-2.

0\ \textgreater \  \frac{1}{3}\times 0-2
\\
\\0\ \textgreater \ -2
5 0
3 years ago
Mr. Kohl has a breaker containing n milliliters of solution to distribute to the students in his chemistry class. If he gives ea
77julia77 [94]

Answer:

There were 26 students in his class and the teacher had 83 ml of the solution.

Step-by-step explanation:

Mr. Kohl has a "x" amount of solution, if he divides it by the number of students "n" he'll give each student 3 milliliters  and have a left over of 5 milliliters. If the amount of solution Mr. Kohl had was "x + 21" then he'd be able to give each student 4 milliliters of the solution. From these informations we have:

x = 3*n + 5

(x + 21)/n = 4

x + 21 = 4*n

x = 4*n - 21

Now that we have two equations and two variables we can solve the system of equations, as seen bellow:

3*n + 5 = 4*n - 21

3*n - 4*n = -21 - 5

-n = -26

n = 26

x = 4*26 - 21 = 83 ml

There were 26 students in his class and the teacher had 83 ml of the solution.

3 0
3 years ago
I AM STRUGGLING!!! PLEASE HELP ME!!
Butoxors [25]

Answer:

The answer would b 6.59 inches

4 0
2 years ago
Can someone please help me asap
attashe74 [19]

Answer:

y=3x-4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The difference between two numbers is 15. If 8 is added to twice the greater number, the result is 4 less than 3 times the lesse
SashulF [63]
<h3><u>The value of the larger number, x, is 57.</u></h3><h3><u>The value of the smaller number, y, is equal to 42.</u></h3>

x - y = 15

2x + 8 = 3y - 4

We can quickly get a temporary value for x by altering the original equation.

x - y = 15

<em><u>Add y to both sides.</u></em>

x = 15 + y

Now that we have a value of x, we can find the exact value of y.

2(15 + y) + 8 = 3y - 4

<em><u>Distributive property.</u></em>

30 + 2y + 8 = 3y - 4

<em><u>Combine like terms.</u></em>

38 + 2y = 3y - 4

<em><u>Subtract 2y from both sides.</u></em>

38 = y - 4

<em><u>Add 4 to both sides.</u></em>

y = 42

Now that we know the exact value of y, we can plug it back into the original equation.

x - 42 = 15

<em><u>Add 42 to both sides.</u></em>

x = 57

8 0
3 years ago
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