MATHEMATICS HIGH SCHOOL

41 A store sells new video games for $55 each. Used video games sell for $12 each. Jacob isbuying 3 new video games and x used video games. Which equation can be used to find y,
the total price Jacob must pay in dollars?
A y = 12x + 55
By = 12x + 165
Cy 55x + 12
Dy - 165x + 12
А
B

Answers

Answer 1
Answer:

Answer:

The answer is B!

Hope you do Great!

Step-by-step explanation:
Answer 2
Answer:

Answer:

B  12x + 165

Step-by-step explanation:

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(09.02 HC)The function f(x) = −x2 + 50x − 264 models the profit, in dollars, a yoga studio makes for selling monthly memberships, where x is the number of memberships sold and f(x) is the amount of profit.
Part A: Determine the vertex. What does this calculation mean in the context of the problem? (5 points)

Part B: Determine the x-intercepts. What do these values mean in the context of the problem?

Answers

We factor the equation to get:

-(x-25)^2+361

In the form a(x-h)^2+k, the vertex is (h, k), so the vertex is (25, 361).  This means that the studio makes the most profit from selling 25 memberships, and thus makes 361 dollars.

B.  The x-intercepts are the values of x for which f(x) is 0.  This equation can be factored as (-a+6)(a-44)=0, with solutions 6 and 44.  Therefore, by selling either 6 memberships or 44 memberships, the studio breaks even, neither making nor losing money.

Answer:

x = 6, x = 44; The zeros represent the number of monthly memberships when no profit is made.

Step-by-step explanation:

I took the quiz and got it right.

Pls help this is due soon If the discriminate of a quadratic equation is negative___.a.there will be 2 solutions either of which may be positive or negative

b.there will be only one solution

c.there will be 2 solutions but they will both be negative

d.there will be 2 solutions but they will both be positive
the
e.none of these​

Answers

Answer:

e. none of these

Step-by-step explanation:

The correct answer is e. none of these because a negative discriminant means that there will be no solutions at all!

At the zoo,there were 3 times as many monkeys than lions.Tom counted a total of 24 monkeys and lions.How many monkeys were there?

Answers

so monkeys/3=lions or monkeys=3(lions)
monkeys+lions=24
subsitute monkeys=3(lions) for monkeys in the second equation
3(lions)+lions=24
add like terms
4lions=24
divide both sides by 4
lions=6
subsitute lions=6 into second equation
monkeys+6=24
subtract 6 from both sides
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Last month, Ed ate 9 apples, 5 bananas, 4 peaches, and 7 oranges. Find the ratio of the bananas to the total number of fruit, then explain it's meaningPlease help! :(

Answers

Answer: 5 bananas to 25 fruits

Step-by-step explanation: its kinda hard for me to explain 0.0

Please help I really need it

Answers

Answer: The answer is the Median(D)

Step-by-step explanation:

Answer:

 Median

Step-by-step explanation:

7. Find the value of x for which € || m.(1 point)
(x + 25)
30
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Answers

Answer:

  x = 30

Step-by-step explanation:

Corresponding angles are congruent where a transversal crosses parallel lines.

  55 = x +25

  30 = x . . . . . . . subtract 25
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