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LuckyWell [14K]
3 years ago
6

Alexa and her children went into a movie theater where they sell bags of popcorn for $8 each and pretzels for $5 each. Alexa has

$45 to spend and must buy a minimum of 6 bags of popcorn and pretzels altogether. If xx represents the number of bags of popcorn purchased and yy represents the number of pretzels purchased, write and solve a system of inequalities graphically and determine one possible solution.
Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

xx times yy=270

Step-by-step explanation:

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What is the simplified form of the following expression? Assume x > 0.
Lady bird [3.3K]

Answer:

fourth root of 24 x cubed/16x to the power four

3 0
2 years ago
Help me with this one
Artist 52 [7]

9514 1404 393

Answer:

  "complete the square" to put in vertex form

Step-by-step explanation:

It may be helpful to consider the square of a binomial:

  (x +a)² = x² +2ax +a²

The expression x² +x +1 is in the standard form of the expression on the right above. Comparing the coefficients of x, we see ...

  2a = 1

  a = 1/2

That means we can write ...

  (x +1/2)² = x² +x +1/4

But we need x² +x +1, so we need to add 3/4 to the binomial square in order to make the expressions equal:

  x^2+x+1\\\\=(x^2+x+\frac{1}{4})+\frac{3}{4}\\\\=(x+\frac{1}{2})^2+\frac{3}{4}

_____

Another way to consider this is ...

  x² +bx +c

  = x² +2(b/2)x +(b/2)² +c -(b/2)² . . . . . . rewrite bx, add and subtract (b/2)²*

  = (x +b/2)² +(c -(b/2)²)

for b=1, c=1, this becomes ...

  x² +x +1 = (x +1/2)² +(1 -(1/2)²)

  = (x +1/2)² +3/4

_____

* This process, "rewrite bx, add and subtract (b/2)²," is called "completing the square"—especially when written as (x-h)² +k, a parabola with vertex (h, k).

5 0
2 years ago
Help me out with this equation would be very helpful
Lisa [10]

Answer:

I think its C

Step-by-step explanation:

I could be wrong

3 0
2 years ago
PLEASE ANSWER THIS ASAP I WILL MARK YOU THE BRAINLIEST
ratelena [41]

You just literally mark the graph, you see the 1st points (2,12) go on the X axis to 2, then go up to 12 and mark that as a point. and continue with this tactic with the rest.

4 0
2 years ago
Read 2 more answers
How to solve (2x+8)^2
dusya [7]
You have to foil out the problem
(2x+8)(2x+8)
4x^2+16x+16x+64
4x^2+32x+64
4 0
3 years ago
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