
When c = 4 and it is applied to this equation, the answer is 32.
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Answer:
548, 297
Step-by-step explanation:
We can set this up as a system of equations. The first equation is for how many tickets were sold, which is x+y=845. The second equation is for the cost of the tickets, which is 3x+5.5y=3277.50. The best method for this problem (other than graphing) is elimination. First, we need to multiply one equation to get the opposite of one of the variables. The easiest one to do for this problem is x. The opposite of 3 is -3, so we have to multiply ALL of the first equation by -3. If you do this, then you get -3x-3y=-2535. Now, combine the equations:
3x + 5.5y = 3277.50
-3x -3y = -2535
________________
0x+2.5y=742.5
Now, isolate y by dividing both sides by 2.5. If you do this, you get y=297. Now, plug this in for the y in the first equation. Isolate x.
x+297=845
-297 -297
__________
0 548
x=548
Hope this helps!
Answer:
(2x-2)(x+5)=0
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
You can plug 1350 or less watts without overloading the circuit.
Step-by-step explanation:
Given,
Circuit overloads at = 2400 watts
Electricity consumed by portable heater = 1050 watts
Let,
x be the additional number of watts you can plug in.
Portable heater + additional watts ≤ Overloading limit
1050 + x ≤ 2400
Subtracting 1050 from both sides

You can plug 1350 or less watts without overloading the circuit.
Keywords: inequality, subtraction
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