What is the best prediction of the time required for
the oil spill to reach a diameter of 10 km?
A 147 days
B200 days
205 days
D233 days
Answers
Answer:
Step-by-step explanation:
It's 205
The best prediction of the time required for the oil spill to reach a diameter of 10 km will be 147 days. Then the correct option is A.
What is a quadratic equation?The quadratic equation is given as ax² + bx + c = y. Then the degree of the equation will be 2.
The table shows the connection between the width in kilometers of an oil slick and the time in days. A capability can be utilized to show this relationship.
The equation at (2.4, 1) will be given as,
2.4 = a (1)² + b (1) + c
2.4 = a + b + c ...1
The equation at (9.4, 2) will be given as,
9.4= a (2)² + b (2) + c
9.4 = 4a + 2b + c ...2
The equation at (21.1, 3) will be given as,
21.1 = a (3)² + b (3) + c
21.1 = 9a + 3b + c ...
Solve equations 1, 2, and 3 with the calculator, then we have
a = 2.35, b = -0.05, c = 0.1
Then the equation is given as,
y = 2.35x² - 0.05x + 0.1
The best prediction of the time required for the oil spill to reach a diameter of 10 km will be
y = 2.35(10)² - 0.05(10) + 0.1
y = 235 - 0.5 + 0.1
y = 235.5
The value of y is nearer to the value of 233. Then the value of y will be 233 days.
The best prediction of the time required for the oil spill to reach a diameter of 10 km will be 233 days. Then the correct option is D.
More about the quadratic equation link is given below.
https://brainly.com/question/2263981
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The complete question is given below.
The table shows the relationship between the diameter of kilometers of an oil spill and the time in days. A function can be used to model this relationship.
What is the best prediction of the time required for the oil spill to reach a diameter of 10 km?
A) 147 days
B) 200 days
C) 205 days
D) 233 days
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please help!!!!! 15 points!!!!
Answers
Answer:
the answer is B
Step-by-step explanation: hope this helps :)
Miles eats 72 Spicy Wings in June. He then eats 504 Spicy Wings in October! What is the percentage increase of the wings he has consumed between June and October?
Answers
Answer:
700%
Step-by-step explanation:
504/72 = 7
7 * 100 = 700
Deirdre joelle are reading the same book Deirdre Read three times as many pages of the book as Jowell together the read 48 pages which equation can be solved to. Find the number of pages Joelle reads
Answers
Answer:
3x + x = 48
12 pages
Step-by-step explanation:
let the number of pages read by Joelle be represented by x
Joelle = x pages
Deirdre = 3x (since she reads 3 times as much pages as Joelle)
3x + x = 48
4x = 48
x = 12 pages
So Joelle reads 12 pages
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Answers
Alfie has £10 note He buys 3 pens costing 1.45 each and some pencils costing 90p He gets 2.05 change. How many pencils did he buy?
Answers
Answer:
4 pencils
Step-by-step explanation:
Note= pencils costing 0. 90p
Given data
Balance= £10
pen= 3*1.45= £4.35
pencils=0.90p
change= £2.05
2.05= 10-4.35-90p
solve for p
2.05= 5.65-90p
collect like terms
5.65-2.05= 0.90p
3.6=90p
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p=3.6/0.90
p=4
The volume of this cone is 36π cubic units.
What is the volume of a cylinder that has the same base area and the same height(in pi)? Need ASAP, due soon
Answers
Answer:
108pi
Step-by-step explanation:
We do not need to know the height and radius, as the formula for the volume of a cone is just a third of the volume of a cylinder. So we have 36pi * 3 or 108pi.
A student answered 63 problems on a test correctly and received a grade of 70%. How many problems were on the test, if all the problems were worth the same number of points?
Answers
Total no. of problems= x
No of questions answered correctly= 63
Percentage = 70%
A/q,
70/100*x= 63
x= 63*100/70
x= 90
There were 90 questions in the test.
Hope it helps you.
What is the y-intercept of the line that passes through the points (2, -1) and (-3, 9)?
Answers
Answer:
y- intercept: 3
Step-by-step explanation:
m = (y-y')/(x-x')
y = mx + b b: y intercept
m = (9 - -1) / (-3 -2) = 10 / -5 = -2
b = y - mx = -1 - (-2)*2 = -1 + 4 = 3
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Answers
Answer: I would answer but the image is blocked for me- can you type the problem by any chance?
Step-by-step explanation:
Answer:
3 feet
Step-by-step explanation:
Initial value usually means the y value when x=0
What is 24 + 8.25% ?
Answers
Answer: 24.0825%
Step-by-step explanation:
8.25% as fraction: 33/400
24+33/400
Convert element into fraction: 24x400/400
24x400/400+33/400= 9633/400
Final step: Make it into a decimal
24.0825% is your answer
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Answer:
I don't know this stuff, but it is -20.
can someone
please help and fast
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Answer:18
Step-by-step explanation:
same as other side 90 degrees
Please help I dont have that much time left❤
Answers
Answer:
b= 75
Step-by-step explanation:
a box contains coins, number cubes labeled 1 to 6, and a spinner with 4 congruent sectors. which 2 items from the box would you use to simulate a situation with 8 equally likely outcomes? a. a coin and a number cube. b. a number cube and a spinner. c. two number cubes. d. a coin and a spinner
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Answers
Answer:
It's B
Step-by-step explanation:
Find 3 ratios that are equivalent to the given ratio: 20:25.
Choices: (Find 3 ratios)
A. 4:75
B. 4:5
C. 60:5
D. 60:75
E. 40:75
F. 4:50
G. 40:5
H. 40:50
Answers
Answer:
A,B,G
Step-by-step explanation:
Mr. Jackson decides to build a planter in the shape of a cube for his wife. The top of the planter will be open so his wife can plant and water her flowers. The perimeter of the bottom of the planter is 12 feet.
Answers
The question is incomplete. Here is the complete question.
Mr. Jackson decides to build a planter in the shape of a cube fo rhis wife. The top of the planter will be open so his wife can plant and water her flowers. The perimeter of the bottom of the planter is 12 feet.
How many square feet of material does Mr Jackson need to build the planter?
(a) 27 square feet
(b) 45 square feet
(c) 60 square feet
(d) 720 square feet
Answer: 45 square feet
Step-by-step explanation: A cube is a regular solid with six square faces.
Square is a quadrilateral with 4 right angles and 4 equal sides. So a cube is solid formed by 6 squares.
Perimeter is the sum of all the sides. For a square, perimeter is given by
P = 4s
Then, side of the bottom is
[tex]s=\frac{P}{4}[/tex]
[tex]s=\frac{12}{4}[/tex]
s = 3
Area of a square is
[tex]A=s^{2}[/tex]
[tex]A=3^{2}[/tex]
A = 9
The planter is a cube with 5 faces, because the top is open. Then, total area is
[tex]A_{t}=9+9+9+9+9[/tex]
[tex]A_{t}=[/tex] 45
Mr Jackson will need 45 square feet of material to build the planter.
Answer:
45 feet
Step-by-step explanation: A cube is a regular solid with six square faces.
Square is a quadrilateral with 4 right angles and 4 equal sides. So a cube is solid formed by 6 squares.
Perimeter is the sum of all the sides. For a square, perimeter is given by
P = 4s
Then, side of the bottom is
s = 3
Area of a square is
A = 9
The planter is a cube with 5 faces, because the top is open. Then, total area is
45
Mr Jackson will need 45 square feet of material to build the planter.
GIVING BRANLIEST
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Select each correct answer.
Answers
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Answers
9514 1404 393
Answer:
16. x = 11
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Step-by-step explanation:
The triangles of interest are congruent, so corresponding parts have the same measure.
__
16. 2x+2 = x+13
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__
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Answers
Answer:
2 and 1/2
Step-by-step explanation:
(the first one)
In which proportion does x have a value of 4?
Answers
Answer:
B
Step-by-step explanation:
Using the method of cross- multiplication
A
7x = 252 ( divide both sides by 7 )
x = 36 ≠ 4
B
21x = 84 ( divide both sides by 21 )
x = 4
C
5x = 2 ( divide both sides by 5 )
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D
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Answer:
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Step-by-step explanation:
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You use 2 1/3 feet of string to make one bracelet. How many can you make with 10 1/2 feet of string?
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a
Step-by-step explanation:
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Answers
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Answers
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learn more about alternate angles here :
https://brainly.com/question/28380652
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Answers
9514 1404 393
Answer:
B
Step-by-step explanation:
Statement B is not true. Angles 2 and 7 are alternate exterior angles.
There are 140 pages in a book, 25% of them have pictures. How many pages have pictures?
Answers
Answer:
140 x
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I think-
Step-by-step explanation: