01/29/21

flying with the wind a plane went 307 mph. flying into the same wind the plane only went 243 mph. what is the speed of the wind? how fast would the plane go if there were no wind?

flying with the wind a plane went 307 mph. flying into the same wind the plane only went 243 mph. what is the speed of the wind? how fast would the plane go if there were no wind?

01/29/21

If you have a 6 question test and you get 86%, how many questions did you get right and how many questions did you get wrong?

If you have a 6 question test and you get 86% on it, how many questions did you get right and how many did you get wrong?

01/29/21

systems of linear equations

Flying against the wind, an airplane travels 2640 kilometers in 3 hours. Flying with the wind, the same plane travels 7800 kilometers in 6 hours. What is the rate of the plane in still air and what... more

Constant Acceleration

A car moves with a constant acceleration of 12.0m/s2 in the positive x-direction. After moving 355m, its speed is now 175.0 m/s. What was the initial speed of the car? How long did it take the car... more

01/29/21

Help please......

A homeowner wishes to put a fence around a space in her yard to create a dog pen. The space that she wants to fence in is shown below where each unit on thegraph represents one foot.How many feet... more

01/29/21

Write the system of equations

X Y1 Y2-2 -7 5.8-1 -5 5.40 -3 51 1 4.62 3 4.2

question the product of 20 and one-fourth a number is 160. Whats the number?

112 together with eight-fifths of a number is triple the number. What is the number?

01/29/21

system of linear equation

An airplane travels 4856 kilometers against the wind in 8 hours and 6376 kilometers with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the... more

01/29/21

Does this equation determine a relation between x and y?

Consider x² + (y-2)² = 1 and the relation "(x,y) R(0,2)", where R is read as"has distance 1 of". For example, "(0,3) R(0,2)". This relation can also be read as "the point (x,y) is on the circle of... more

01/29/21

Harvey collected h apples. Joey collected 3 less than twice the number of apples that Harvey collected. Write an expression to show how many apples Joey collected.

Harvey collected h apples. Joey collected 3 less than twice the number of apples that Harvey collected. Write an expression to show how many apples Joey collected.

01/29/21

The big dog weighs d pounds. The puppy weighs half the amount of the big dog. Write an expression to represent the weight of the puppy.

The big dog weighs d pounds. The puppy weighs half the amount of the big dog. Write an expression to represent the weight of the puppy.

01/29/21

Adi is 5 inches shorter than Sam. Sam is n inches tall. Write an expression that represents Adi’s height.

 Adi is 5 inches shorter than Sam. Sam is n inches tall. Write an expression that represents Adi’s height.

01/29/21

It costs n dollars a day to rent a bike. Write an expression to represent the cost of renting the bike for 3 days.

It costs n dollars a day to rent a bike. Write an expression to represent the cost of renting the bike for 3 days.

01/29/21

Parabola and It’s Vertex

Find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0,-12). Write your answer in this form: (x1,y1),(x2,y2). If necessary, round to the nearest hundredth.

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