MATHEMATICS HIGH SCHOOL

Lea walked 12 mile in 13 hour. HELP ASAP!!!How long will it take Lea to walk 214 miles?

Enter your answer as a mixed number in simplest form in the box.

hours

Answers

Answer 1

Answer: Takes her 20 minutes to walk 1/2 a mile
2 miles=80 minutes
1/4= 10 minutes i think
so 80+10=1 1/2

Answer 2

Answer:

Answer:

1 1/2 hours

Step-by-step explanation:I took the test

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In the standard (x, y) coordinate plane, what is the slope of the line joining the points (3,7) and (4,−8)?
The right rectangular prism is made up of 100 cubes. Each cube has edge lengths of 2 inches. What is the volume of the right rectangular prism, in cubic inches
What is the slope of the line between -7,-2 and 9,4?
Reggie can line a football field in 120 minutes. Rosalinda can line a football field in 80 minutes. If they work together, how many minutes does it take them to line a football field?a. 40 minutesb. 80 minutesc. 200 minutesd. 240 minutes HELP?!

Nilai 61-70 71-80 81-90 91-100
f 4 8 60 28 Tentukan : a. modus data B. median data

Answers

Untuk menentukan modus data, kita mencari nilai yang paling sering muncul. Dalam kasus ini, tidak ada data yang disediakan, jadi tidak ada modus yang dapat ditentukan.

Untuk menentukan median data, kita mencari nilai tengah. Dalam kasus ini, kita memiliki 100 data, jadi median akan berada pada posisi ke-50. Dalam hal ini, median akan jatuh pada rentang 81-90.

Civil engineer wants to estimate the maximum number of cars that can safely travel on a particular road at a given speed. He assumes that each car is 14 feet long, travels at speed S, and follows the car in front of it at a safe distance for that speed. He finds that the number N of cars that can pass a given spot per minute is modeled by the function N=(89s)/(14+14(s/17)^2))

At what speed can the greatest number of cars travel safely on that road? Assume that the maximum possible speed of a car is less than 300.

Answers

$N(s)= (89s)/(14+14( (s)/(17))^2 )\n\nN'(s)= ((89s)/(14+14( (s)/(17))^2 ) )'= (89* 14(1+( (s)/(17))^2)-89s* (28)/(17) )/(14^2(1+( (s)/(17))^2)) \n\nN'(s)=0\n\n89* 14(1+( (s)/(17))^2)-89s* (28)/(17)=0\n\n1+( (s)/(17))^2- (2s)/(17) =0\n\n289+s^2-34s=0\n\ns^2-34s+289=0\n\n(s-17)^2=0\n\ns=17$

What are the solutions to the equation (x – 6)(x + 8) = 0?x = –6 or x = 8
x = –6 or x = –8
x = 6 or x = –8
x = 6 or x = 8

Answers

x=6 and x=-8

To solve this, you would treat x-6=0 as one equation, you add 6 to each side to get rid of -6, hence you would get x=6.

Same goes for x+8=0, subtract 8 from each side to get rid of the +8, then you get x=-8

The third option mam.

In this problem, y = c₁eˣ + c₂e⁻ˣ is a two-parameter family of solutions of the second-order DE y'' − y = 0. Find a solution of the second-order IV P consisting of this differential equation and the given initial conditions. y(-1) = 4, y'(-1) = -4.

Answers

Answer:

$y=4e^(-(x+1))$ will be the solutions.

Step-by-step explanation:

The given equation is $y=C_(1)e^(x)+C_(2)e^(-x)$

Therefore, for x = -1

$4=C_(1)e^(-1)+C_(2)e^(1)$ ------(1)

Now y'(-1) = -4

y'(x) = $C_(1)e^(x)-C_(2)e^(-x)$ = -4

$C_(1)e^(-1)-C_(2)e^(1)$ = -4 -----(2)

By adding equation (1) and (2)

$2C_(1)e^(-1)=0$

$C_(1)=0$

From equation (1),

$4=0+C_(2)e^(1)$

$C_(2)=4e^(-1)$

By placing the values in the parent equation

y = $4e^(-1)* e^(-x)$

y = $4e^(-(x+1))$

Kari and Julie are practicing for basketball tryouts. Kari makes 3 less than twice as many baskets as Julie. Write an expression with two terms for the number of baskets that Kari makes. Explain how you found your expression

Answers

Answer:

X= 2y - 3

Step-by-step explanation:

Kari makes X tryouts. She also makes 3 less than twice as many as Julie which would be X= 2y - 3

Julie makes y tryouts and twice would be 2y.

Five cakes cost 4.00 how much do 7 cost

Answers

The cost of 7 cakes will be equal to 5.6.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the cost of 5 cakes is 4. The cost of 7 cakes will be calculated as,

5 cakes = 4

1 cake = 4 / 5

7 cakes = ( 4 x 7 ) / 5

7 cakes = 5.6

To know more about an expression follow

brainly.com/question/936813

#SPJ2

you need to divide 5/4 and youll get the price for 1 cake (1.25) then just add 2 more times to 5 (6.5) is the total

Other Questions

Rent-A-Tent rents party tents for a flat fee of $365 plus $125 a day. Capital Rentals rents party tents for a flat fee of $250 plus $175 a day. Delia wrote the following equation to find the number of days for which the total cost charge for the two companies would be the same:365x+125=250x+175

Evaluate:90 over -10