HELP ME PLEASE !!!!!!! WILL GIVE 50 ptsThe function f(x) = –x2 + 18x – 72 models the daily profit, in dollars, a gym makes for selling 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

Answer 1

Answer: Vertex formula = -b/2a
-18/1 = 18.
However, this is just the x value, the vertex is (x,y)
-18*2 + 18(18) - 72 = 576
A) (18,576)
576 dollars made with 18 members is the highest amount made in one day.

B) (12,0) (6,0)

Answer 2

Answer:

B) (12,0) (6,0) .....

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According to David Taylor of the Bank Administration Institute, about _____ percent of households with annual incomes over $50,000 have PCs equipped with modems.
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25% of all college students major in stem (science, technology, engineering, and math). if 30 college students are randomly selected, find the probability that
What is the midpoint of the x-intercepts of f(x) = (x – 2)(x – 4)? A)(–3,0) B)(–1,0) C)(1,0) D)(3,0)

The table gives the boiling point of water at different altitudes.Altitude (1,000 feet) Boiling Point of Water (°F)
0 212.0
0.5 211.1
1.0 210.2
2.0 208.4
2.5 207.5
3.0 206.6
4.0 204.8
4.5 203.9
Based on the table, the linear equation that represents the change in water’s boiling point for every 1,000-foot change in altitude has a slope of units.

Answers

Slope = raise / run

(211.1 - 212.0) / (0.5-0) = - 1.8

(210.2 - 211.1) / (1.0-0.5) = - 1.8

(208.4 - 210.2) / (2.0 - 1.0) = - 1.8

You can check, the other points. The slope is constant because the function is a linear equation,

Answer: - 1.8

Answer: -1.8

Step-by-step explanation: EDMENTUM

How would you write out 'x is not equal to 2 and x is not equal to 7' Algebraically and in Interval Notation?

Answers

Algebraically:
x ≠ 2, 7
Interval Notation:
2 ≠ x ≠ 7

Final answer:

Algebraically, 'x is not equal to 2 and x is not equal to 7' is written as x≠2 and x≠7. In Interval Notation, it is written as (-∞, 2) U (2, 7) U (7, ∞). The given conditions exclude the numbers 2 and 7 from the entire real number line.

Explanation:

In the field of Mathematics, if you want to express the condition 'x is not equal to 2 and x is not equal to 7' algebraically, you write it as x≠2 and x≠7. In Interval Notation, you'd denote this as (-∞, 2) U (2, 7) U (7, ∞). This is read as 'x is all real numbers except 2 and 7' because we have excluded these two numbers from the entire real number line.

Learn more about Writing Expressions Algebraically and in Interval Notation here:

brainly.com/question/33369000

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How many triangles exist with the given side lengths?12 in, 15 in, 18 in
A) No triangle exists with the given side lengths.
B) Exactly one unique triangle exists with the given side lengths.
C) More than one triangle exists with the given side lengths.

Answers

According to triangle inequality theorem, “The sum of the length of two sides of a triangle should be greater than the third side”. In order to verify the mentioned theorem, some calculations are performed below.

12 + 15 > 18

15 + 18 > 12

12 + 18 > 15

As the triangle inequality theorem satisfied, so there is only one triangle possible with the given sides length. No more than one triangle is possible, because the angles are not given, and the sides length are fixed.

So option “B” is correct.

Answer:

it is b

Step-by-step explanation:

will bought 3 college textbooks. one cost $32, one cost $45, and one cost $39. what is the average price of his books? choose the statement that correctly calculates the average. a. ($32 $45 $39) ÷ 3 b. $32 ÷ 3 $45 ÷ 3 $39 c. $32 $45 $39 ÷ 3 d. 3 × $32 $45 $39

Answers

The correct answer is a. ($32 + $45 + $39) ÷ 3

Use the law of exponents to rewrite (5^9)^2will give brainiest and 50 point bet u do not get it right

Answers

Answer:

I'm pretty sure it's:

5x5x5x5x5x5x5x5x5 x 2x2

Someone help 6th grade math i will mark brainliest

Answers

Answer:

B. -2 *4

Step-by-step explanation:

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