The strandard width of 8 lanes in swimming pools used for conpetitions is 21.92 meters. The standard width of 9 lanes is 21.96 meters. How much wider is each lane when there are 8 lanes than when there are 9 lanes?? HELP ME PLEASEEE!!! You will get 28 points.

Answers

Answer 1

Answer: multiply 8x21.92 and find the sum then multiply 9x21.92 and find the sum then subtract both sums together and you have your answer

Answer 2

Answer: ok so first you multiply 8x21.92 once you solve that you subtract it for what you get when you multiply 9x21.92.

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How do you graph the inequality 4x+3<7x-9 on a number line?

Answers

$4x+3<7x-9 \ \ | -7x \n \n4x -7x+3<7x -7x-9 \n \n-3x+3<-9\ \ |-3\n \n-3x+3-3<-9-3\n \n-3x<-12 \ \ /:(-3)$

$x> (-12)/(-3)\n \n x >4$

Jake sold 39 tickets to the the school fair and Jeanie sold 12 tickets. What is the ratio in the simplest for of the number of tickets Jeanne sold to the number of tickets Jake sold?a. 13/4
b.39/12
c.12/39
d.4/13

sorry if I am asking so many questions

Answers

$(number\ of\ tickets\ Janne)/(number\ of\ tickets\ Jake)=(12)/(39)=(12:3)/(39:3)=(4)/(13)\n\nAnswer:\boxed{D.\ (4)/(13)}$

jake:Jeanie
39:12
39=3*13
12=3*2*2
so (3*13)/(3*2*2)
we can factor out the 3/3 or 1
so 13/4
jake:Jeanie is 13/4

Find the inverse of the function y = 2x2 + 2.

Answers

Answer:

y = √(x - 2) / 2

Step-by-step explanation:

y = 2x^2 + 2.....switch ur x and y and solve for y

x = 2y^2 + 2

x - 2 = 2y^2 ...divide both sides by 2

(x - 2) / 2 = y^2...now take the sqrt of both sides, eliminating the ^2

(√ (x - 2) / 2) = y

write a real world problem that can be represented by the equation (my-2.7)+4.1=13.5 please help fast

Answers

(my - 2.7) + 4.1 = 13.5
Sal bought m amount of pizzas for y days. He had a discount of $2.70. The sales and delivery tax was $4.10. The total cost was $13.50.

The value of y varies directly with x2, and y = 36 when x = 3.What is the value of y when x = 5?

Answers

X varies directly with Y

Y=KX
Y/X = K K is the constant
36/3= K
12 = K

When X=5,
Y/5=12
Y= 12*5
Y=60

A construction company built bleachers that can hold a 149,227 pounds. How many 169-pound people can the bleachers hold?

Answers

Answer: 883 people

Step-by-step explanation: If the bleachers can hold 149,227 pounds and each person weighs 169 pounds, then you would do 149,227 divided by 169 to get 883.

149,227 ÷ 169 = 883

Answer:

883 people

Step-by-step explanation:

This is a division problem.

(149,227 lb)/(169 lb) = 883

Answer: 883 people.

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In circle K , diameter CD is drawn and point E is located on the circle such that CE=16 and DE=30 .What is the length of the radius of circle K?

2+2=? I'll give brainliest ;)

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What is equivalent to 36 ^-1/2