Of the 800 people at the concert, 42% of them are teenagers. How many teenagers are at the concert?
Answers
Answer:
There are 336 teenagers in the concert. Please Mark me brainliest if I am correct thank you and have a nice day.
Step-by-step explanation:
Answer: 336 teenagers
Step-by-step explanation: 42 percent = 21/50.
21/50 times 800 = 336!
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Tobias has 12 coins in his pocket. Of these coins, 8 were made in the year 2000, and 4 were made in the year 2005. Tobias randomly selects one coin from his pocket and, without replacing it, selects another coin from his pocket. What is the probability that both coins he selects were made in the year 2000?
A theater company charges $7.50 per ticket for people of all age groups. If c represents the total number of children who bought tickets and a represents the total number of adults who bought tickets, which expression best represents the total money earned by the company from the sale of tickets?A 7.5c + aB c + 7.5aC 15(c + a)D 7.5(c + a)
adria is putting down floor tiles in her kitchen.each tile has an area of 1 square foot. Twelve square feet of tile costs $7. adria's kitchen is 9 feet wide and 16 feet long. How much will Adria spend on tiles?
Answers
The height is 30 inches, so h = 30
We'll use pi = 3.14
Plug in the given values and then use PEMDAS to simplify
SA = Surface Area
SA = 2*pi*r^2 + 2*pi*r*h
SA = 2*3.14*5^2 + 2*3.14*5*30
SA = 2*3.14*25 + 2*3.14*5*30
SA = 6.28*25 + 6.28*150
SA = 157 + 942
SA = 1099
Answer: 1099
SA=(2×3.14×5^2)+(2×3.14×5×30)
SS=(2×3.14×25)+(2×3.14×5×30)
SA=157+942
SA=1099 sq inches
Answers
Answer:
y-1=2(x+3)
y-1=2x+6
y=2x+6+1
y=2x+7
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Answer:
The possible zeros are 1 2 7 14
b. What is the area of the paper that can be painted when the margin is 2 inches wide?
Answers
Answer:
a. A = x² - 36x + 288
b. If x = 2; A = 220 in²
Step-by-step explanation:
a.
In this scenario, 'x' represents the width of the border. A "uniform border" means that the border has the same width all around.
The area of the paper that can be painted does not include the border. Since the border is on the original rice paper (not added to it), you subtract 'x' from each side of the rice paper.
The area of a rectangle is A = lw (Area is length times width). Each length and width is reduced by 'x'.
If the original rice paper's area is: 24 X 12, then,
the Area that can be painted is:
A = (24 - x) (12 - x)
A polynomial in standard form means the most expanded version of an expression, ordering the terms (numbers) from greatest to least degree. (The degree of a term is the value of its exponent).
Expand the expression. Multiply the numbers from each bracket in the order FOIL (first, outside, inside last):
A = (24 - x) (12 - x)
= 288 - 24x - 12x + x² Collect like terms (-24x - 12x = -36x)
= 288 - 36x + x² Rearrange ordering greatest to least exponent value
= x² - 36x + 288 Standard form polynomial
b.
The width of the margin is the same thing as the width of the border. Since 'x' is the width of the border,
x = 2
Using either the expanded or factored equation for area of that can be painted, substitute 'x' for 2.
I will use the factored form.
A = (24 - x) (12 - x) Substitute x for 2
= (24 - 2) (12 - 2) Solve inside each bracket first by subtracting
= (22) (10) Multiply
= 220 Area that can be painted
Remember to include the units: 220 in²
Therefore if the margin is 2 inches wide, then the area that can be painted in 220 square inches.
Answers
hope that helps! :)
Answers
Answer: D
Step-by-step explanation:
Paul's Current score is 42, x = paul's awaiting score
Paul's score has to be greater than 174
Current score plus awaiting score must be greater than 174
Answer:
d. 42 + p > 174
Step-by-step explanation:
Since Paul needs to score more than 174, the sign needs to be > and not ≥ because he does not want to equalize the score of 174.
Since he currently has a score of 42, he needs to add another score. Assuming the next score he needs is p,
42 + p is the equation.