06/13/20

Word problems please help

Raina, Kevin, and Dan sent a total of 104 text messages during the weekend. Dan sent 2 times as many messages as Raina. Kevin sent 8 more messages than Raina. How many messages did they... more

Write the equation of the line that passes through the points (-2, 3) and (-2, 5).

A. y=5B. y= −2C. y=1/2​x+1D. x= −2

06/12/20

What is (3x^2-2)^2

06/12/20

What will be her speed and direction of motion after she throws the ball?

A 60 kg child standing on a 5 kg skate board throws a 2 kg ball (not included in her mass) with a speed of 20 m/s in front of her. What will be her speed and direction of motion after she throws... more

06/12/20

f is a degree 5 polynomial that passes through the origin, has zeros i and 2 − i, and f ( − 4 ) = − 12580. Find the equation for f.

answer has to be simplified so that it only has real numbers

What is the slope of y=4-2x

06/11/20

You roll a 6 sided die. What is P(not greater than 1)?

06/11/20

True or False Quadratic Function:

y=3(x+4)^2+2 The roots of the following quadratic function are real and rational

06/11/20

Point j is located at (-4,4) select all of the following that are 4 units from point j

Point j is located at (-4,4) select all of the following that are 4 units from point j

06/10/20

Is x=17 a function

06/10/20

If f(x) = x 2 + 1 and g(x) = 3x + 1, find 2f(1) + 3g(4)

Word problem, help ASAP

A model rocket is launched straight up, with an initial velocity of 150 m/s. The height of the rocket can be modelled by h= -5t2 + 150t, where h is the height in metres and t is the elapsed time in... more

06/09/20

Efficiency in Physics

A 200 g pendulum bob is raised 22 cm above its rest position. The bob is released, and it reaches its maximum speed as it passes the rest position. Calculate its maximum speed if the efficiency is... more

How do I solve this question?

The straight line ax + y = b passes through the points (-1,1) and (-5,4). The product of the two numbers a and b rounded to two decimal places is_______.

06/09/20

Help Please Asap

Three times the sum of a number and four is 10 less than the same number. What is the number? 

06/09/20

Help Please Asap

Three times the sum of a number and four is 10 less than the same number. What is the number? 

06/09/20

Ball Dropped from a height

A ball is dropped from a height of 144 ft. It's height h in feet, t is seconds. h(t)+-16t2 + 144How long after it is dropped will it hit the ground? Show work

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