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luda_lava [24]
3 years ago
8

7. The largest living thing on earth is a California sequoia tree named the “General Sherman”. The diameter of the tree at the b

ase is 36 feet. Which measurement is closest to the circumference of the circular trunk in feet?
A. 56.52 feet
B. 4,069.44 feet
C. 1,017.36 feet
D. 113.04 feet
Mathematics
1 answer:
kvv77 [185]3 years ago
4 0

Answer:

Step-by-step explanation:

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Please help:) with my math it’s Quadratic Functions
vaieri [72.5K]

Answer:

Part A: 2531.25; It means the maximum amount of profit that can be obtained at a specific amount of price reduction (x-value) for the shirts' market price.

Part B:  (0,2500); It represents the profit that can be made by reducing $0 in the shirts' price.

Part C: Yes, it has a zero. Its zero is (25,0) and that represents the amount of profit made by reducing $25 from the price of each shirt being sold, which means if it sells for $0 by reducing $25 from the price of each shirt, then the x-coordinate must also represent the original price of each shirt, $25.

Step-by-step explanation:

Part A: Look at the graph! The highest y-value should be the maximum of each graph, which can be located at the vertex of a quadratic function. In this graph, the vertex is (2.5, 2531.25), where which its y-value contains the highest point of a graph, since the graph is concave down.  

<u>Part B</u>

y=a(x-2.5)^{2} +2531.25\\

0=a(25-2.5)^{2} +2531.25\\

a(22.5)^{2} =-2531.25

506.25a =2531.25

a=-5

y=-5(x-2.5) ^{2}+2531.25

y=-5(0-2.5)^{2} +2531.25

y=-31.25+2531.25

y=2500

y-intercept: (0,2500)

<u>Part C</u>

The graph only has a zero if the function touches the x-axis, also known as the line, y=0. In this case the graph does intersect the x-axis at the point, (25,0). Therefore, it has a zero, and the value of the x coordinate at the zero is 25. This value represents the profit generated from reducing the price of each shirt by $25, which is $0. Therefore, this also represents the original price of each shirt without any price reduction, since there is no profit made by completely reducing the price of each shirt at that specific point in the graph, which is 25 or $25. Therefore, this displays that.

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3 years ago
Tom works at an aquarium shop cleaning reef tanks. His job is to drain the tank. How much water is initally in
insens350 [35]
Answer is 175

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5 0
2 years ago
Is -6.75 a rational or irrational number?
marta [7]
The number -6.75 is rational if it is an integer or decimal. -6.75 is a decimal, so -6.75 is rational, not irrational.

ANSWER: rational
5 0
3 years ago
The total price of a shirt and a cap is $11. If the price of the shirt was doubled and the price of the cap was three times its
shusha [124]

Answer:

the shirt is 8 dollars and the cap is 3

Step-by-step explanation:

This is because 8 times 2 is 16 which is the new price of the shirt then 3 times 3 is 9 which would be the new cap price and 16 plus 9 is 25

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2 years ago
How to write a word problem using the numbers -2.5 and -7,
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Jessica had -7 dollars in her bank account. Then she bought a eraser for $2.50. How much money does she have now?
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