04/21/20

Completing the square

Complete the square with (y^2-9y) to get three terms

04/20/20

actual speed of the red car is --- ft per second

A police car is located 30 feet to the side of a straight road.A red car is driving along the road in the direction of the police car and is 130 feet up the road from the location of the police... more

04/19/20

what is the product of (y+8)(y+1)?

what is the produc tof (y+8)(y+1)? i heard you use foil, but i dont know how

04/19/20

Find the length of the arc on a circle of radius r intercepted by a central angle θ. (Round your answer to two decimal places.) Radius r Central Angle θ 16 inches 240°

Find the length of the arc on a circle of radius r intercepted by a central angle θ. (Round your answer to two decimal places.) Radius r      Central Angle θ 16 inches      240°

04/19/20

Estimate the number of degrees in the angle

There are 40 marbles in an​ urn:  (PROBABILITY)

There are 40 marbles in an urn: 11 are green and 29 are yellow. You reach into the urn and randomly select 4 marbles without replacement. What is the probability that at least one of the marbles... more

College algebra! Please help!

A rectangular playing field lies in the interior of an elliptical track that is 30 yards wide and 240 yards long. What is the width of the rectangular playing field if the width is located 15 yards... more

04/17/20

Geometry please help with solution

Right triangle ABC is on a plane. Segment AB is on the line y=2 and is 3 units long. Point C is on the line x=-1. If the area of ABC is 6 square units, then find possible y coordinate C.

04/17/20

Use double angle identities to solve trig equations

sin 2x - sin x = 0 sin 2x sin x = cos x cos 2x - cos x = 0 3 sin^2 x + cos 2x -2 = 0

04/17/20

which equation has roots of 3 and 5

The product of two consecutive positive even integers is 14 more then their sum

The product of two consecutive positive even integers is 14 more then their sum X,x+2Find the integers

Teacher not available during pandemic, got assignment need support

abe is going to plant 54 oak trees and 27 pine trees. abe would like to plan the trees in rows that all have the same number of trees and are made up of only one type of tree. what is the greatest... more

04/16/20

Help on trigonometry please!

How do I find sin θ/2 when tan θ = 2 and 0 degrees<θ<pi/2 using the half angle formula?

A circle with a radius 6 has a sector with a central angle of 11/6 pi radians. What is the area of the sector?

Either enter an exact answer in terms of πpi or use 3.143, point, 14 for πpi and enter your answer as a decimal.(3.14 instead of pi also works)(THANKS)

04/16/20

Vertical Motion

You shoot a basketball from an initial height of 7 feet and an initial velocity of 28 feet per second. The hoop is 10 feet tall. You goal is to find the amount of time in seconds that the shot is... more

04/16/20

9a to the second power/b to the second power simplify

04/16/20

The rectangular coordinates of a point are given. Find polar coordinates of the point.

The rectangular coordinates of a point are given. Find polar coordinates of the point.(3,-3)

04/15/20

A positive integer number increased by its square is equal to 6 times the next higher positive integer number. Find the number.

A positive integer number increased by its square is equal to 6 times the next higher positive integer number. Find the number.

04/15/20

Describe the number and types of roots for the equation: 5x^2 + 7= -4x

Describe the number and types of roots for the equation: 5x^2 + 7= -4xa. 2 real, rational rootsb. 2 real, irrational rootsc. 1 real, rational rootsd. 2 imaginary roots

04/15/20

Precalculus - need help thanks!

If cos(alpha) = negative square root of 3/4 and (alpha) is in the third quadrant, find the exact value for tan(alpha)

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