marshall took 36.75 to a fair. each ticket into the fair costs x dollars. marshall bought 3 tickets. which expression represents the amount of money, in dollars, that marshall had after he bought the tickets?

Answers

Answer 1

Answer: 3x is less than, equal to 36.75

Answer 2

Answer: 36.75 - 3x = the amount of money Marshall had after her bought the tickets.

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The area of a rectangle is 21 m squared, and the length of the rectangle is 1 m less than twice the width. Find the dimensions of the rectangle. Help?

Answers

This should be right because I checked it afterwards
Width=W
Length=2W-1
The equation is as follows
W(2W-1)=21
$2W^(2)$ -W=21
Subtract 21 from each side
$2W^(2)$ -W-21
Group them/put them in parentheses..can't think of the right word right now
(2W-7)(W+3)
-7=I7I
You only do this for the first parenthese, 7÷2W=3.5
W=3.5
If W=3.5 then 2W-1⇒2×3.5-1⇒7-1⇒6
Length=6
If W=3.5 and L=6, then W(2W-1)=21
3.5(2×3.5-1)=21
Solve in parentheses first
3.5(7-1)=21
3.5(6)=21
3.5×6=21
The width is 3.5
The length is 6

Maria donates a fixed amount, a, to a charity each month. If she donates $300 in 12 months, what is the equation for a?

Answers

If a is how much money she donated each month a should be 25 because 25 dollars multiplied by 12 months is 300 dollars

Answer:

ax12=300

Step-by-step explanation:

180 people in a cinema 3/5 are adults
1/4 are female
How many of the adults are female?

Answers

1 way
the nootebook
180 * 3/5 = 108
108 * 1/4 = 27
.....................................................

Woman is an adult

1. We compute how many adults
$180 * (3)/(5) = (180*3)/(5) = (540)/(5) = 108$

2 1/4 of adults are women

108 * 1/4 = 28

Answer 27
............................................................

2 way
the nootebook
180 * 3/5*1/4 = 27

Your answer is 27.

Hope this helps.

Gwen is making a circular rug with a radius of 3 feet. What will the area of the rug be that she is making? With explanation.

Answers

Hi there! A=πr²=π*3²=28.27433 ft². Round 28.27443 to 28.72. Therefore, the area of the rug will be 28.27ft²

area of a circle : 3.14r^2 or ( pi symbol)r^2 3.14 = pi 3 = radius 3.14 • 3^2 Your gonna multiply 3.14 by 3 to the second power. 3.14 • 9 area = 28.26 or 28.27

From 1980 to 2000, the consumer price index (CPI) increased from 82.4 to 172.2. If a pound of margarine cost $0.51 in 1980 and the price of margarine increased at the same rate as the CPI from 1980 to 2000, approximately how much did a pound of margarine cost in 2000?

Answers

Answer:

the answer is $1.07

explanation : you divide the price by the cpi (0.51 / 82.4) this gives you 0.00619

so if you want to find the price or the cpi you just need to multiply the number you do have by 0.00619 and this will give you the missing information

Step-by-step explanation:

Answer:

1.07

Step-by-step explanation:

i got the answer right

No work needed, just the answer

Answers

Answer: 1 should be the answer

1Step-by-step explanation:

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