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schepotkina [342]

3 years ago

11

A total of 800 pre-sale tickets and tickets at the gate were sold to football city championship game. If the number of tickets s

old at the gate was thirteen less than twice the number of pre-sale tickets, how many pre-sale tickets were sold?

1 answer:

fiasKO [112]3 years ago

3 0

1587 that’s the answer

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A minor league baseball team plays 72 games in a season. If the team won 15 more than twice as many games as they lost, how many

Alina [70]

X = games won
y = games lost

x + y = 72
x = 2y + 15

2y + 15 + y = 72
3y + 15 = 72
3y = 72 - 15
3y = 57
y = 57/3
y = 19 <=== lost games

x = 2y + 15
x = 2(19) + 15
x = 53 <=== won games

3 0

2 years ago

How would you solve 2-3÷(-1)×9

Ainat [17]

Answer:

the answer is 29

Step-by-step explanation:

i don't really know how to explain it but hopefully it right

5 0

2 years ago

What does the slope of a line represent?

timurjin [86]

Answer:

A. change in a dependent variable

6 0

3 years ago

Read 2 more answers

Woodward's seafood resting has a fish tank that is 6 feet long 3 feet wide and 4 feet tall how much water does the fish tank hol

mario62 [17]

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4 0

3 years ago

Solve for each system of equations by substitution or elimination.

Tems11 [23]

QUESTION 1

The given system of equations are:

$y=x^2+5x+1$

$y=x^2+2x+1$

We equate the two equations to get:

$x^2+5x+1 =x^2+2x+1$

$x^2 - {x}^{2} + 5x - 2x = 1 - 1$

$3x = 0$

$x = 0$

When x=0,

$y=0^2+2(0)+1 = 1$

The solution is (0,1)

QUESTION 2

The given equations are:

$y=x^2-2x - 1$

and

$y= -x^2-2x-1$

We equate both equations to get:

$x^2-2x - 1 = -x^2-2x-1$

Group similar terms,

$x^2 + {x}^{2} -2x + 2x= -1 + 1$

$2 {x}^{2} = 0$

$x = 0$

We put x=0 into any of the equations to find y.

$y= -0^2-2(0)-1 = - 1$

The solution is (0,-1).

QUESTION 3

The given equations are:

$y=x^2+2x+1$

and

$y=x^2+2x-1$

We equate both equations:

$x^2+2x+1 = x^2+2x-1$

Group similar terms:

$x^2 -x^2+2x = -1 - 1$

$0 = -2$

This is not true.

Hence the system has no solution.

6 0

2 years ago