MATHEMATICS HIGH SCHOOL

A candy store keeps track of its sales during the month of October. Below is the number of sales for the first, second, third and fourth week of the month. Week 1 ; 2 ; 3 ; 4
Candy Sales 97 ; 168 ; 259 ; 375

Which graph could represent the data shown below?
A candy store keeps track of its sales during the - 1

Answers

Answer 1
Answer:

The graph of the given values is required.

Option B is correct.

The points are

(1,97)[tex]</p><p>[tex](2,168)

(3,259)

(4,375)

Let us find if the points are in the form of a line by finding the slope.

(168-97)/(2-1)=71

(259-168)/(3-2)=91

71\neq 91

So, the function is not linear.

Therefore, A and C are incorrect.

Also the function is not decreasing so option D is also eliminated.

Hence, option B is correct.

Learn more:

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Answer 2
Answer:

From the attached diagram you can see that regression that best fits given data is quadratic (not linear).

  • option 1 is false, because it gives linear regression;
  • option 2 is true, it gives graph, similar to quadratic parabola;
  • options 3 and 4 are false, because graphs are decreasing.

Answer: correct choice is B.

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A missile was fired from a submarine from 290 feet below sea level. If the missile reached a height of 17800 feet before exploding, what was the change in the altitude of the missile?

Answers

The answer is 17510 above sea level

Final answer:

The missile's change in altitude from the starting point 290 feet below sea level to the final position of height 17800 feet is calculated by subtracting the initial position from the final position, resulting in a change of 18090 feet.

Explanation:

The subject of this question falls under the domain of Mathematics, specifically involving numerical operations. It pertains to the calculation of change in altitude. Here's your step-by-step explanation:

1. The missile's starting point is 290 feet below sea level. We represent below sea level as a negative number, so the starting altitude of the missile is -290 feet.

2. The missile then ascended to a height of 17800 feet, which is above sea level and hence positive.

3. To find the change, we subtract the initial position from the final position: 17800 - (-290) = 17800 + 290 = 18090 feet.

So, the change in altitude of the missile is 18090 feet.

Learn more about Change in Altitude here:

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A 109 ft tree casts a shadow that is 130 ft long. what is the angle of elevation of the sun?

Answers

The angle of elevation of the sun is approximately 40 degrees

The scenario forms a right angle triangle.

The height of the tree is the opposite side of the right angle triangle formed .

The shadow casted on the ground is the adjacent side of the triangle.

Therefore, using trigonometric ratio, the angle of elevation can be found as follows:

height of the tree = 109 ft

length of the shadow = 130 ft

let

the angle = ∅

tan ∅ = opposite / adjacent

tan ∅ = 109 / 130

∅ = tan⁻¹ 0.83846153846

∅  = 39.978520842

∅ ≈ 40°

learn more on trigonometry here: brainly.com/question/24303045
Answer: 40°


Explanation:

\tan(\theta) = \cfrac{109}{130}

\theta = 40 \textdegree


The Wise Orange wonders about the purpose of knowing the degree of elevation. 

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Hello,

6i√6 and -6i√6 are the roots that negative number.

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