20,417 Answered Questions for the topic Algebra

08/10/21

Find two pairs of polar coordinates for the point (−2,−3)r

Find two pairs of polar coordinates for the point (−2,−3)r, one pair with positive r and one pair with negative r.
Algebra Math Algebra 1

08/10/21

Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of -44.14 C and a boiling point of 337.82 C.

Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of -44.14 C and a boiling point of 337.82 C.... more
Algebra Math Algebra 1

08/10/21

Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number

Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number(Simplify your answer. Type an inequality using x as the​ variable.)

08/09/21

You are designing a lamp reflector for a spotlight.

You are designing a lamp reflector for a spotlight. If you want to placc the lamp 50cm from the vertex of the parabolic reflector, find the equation of the parabola that describes the shape of the... more

08/09/21

You are designing a lamp reflector for a spotlight.

You are designing a lamp reflector for a spotlight. If you want to placc the lamp 50cm from the vertex of the parabolic reflector, find the equation of the parabola that describes the shape of the... more

08/09/21

Give three points that are equivalent to the polar point ( 4 , 235 ∘ ) . Write the three points in polar form, with the angles in degrees.

Give three points that are equivalent to the polar point (4,235∘). Write the three points in polar form, with the angles in degrees.
Algebra

08/09/21

Find the speed of the whale and current

A whale swimming against an ocean current traveled 160 mi in 5 h. Swimming in the opposite direction, with the current, the whale was able to travel the same distance in 2.5 h. Find the speed of... more
Algebra

08/08/21

what number is less than negative 12

the answers are -14 -11 -3 or 4
Algebra Math Algebra 1

08/07/21

A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used.

A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used. For a can with radius r and height​ h, this goal is reached when 2πr3=πr2h. Answer parts... more
Algebra Math Algebra 1

08/06/21

A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used

A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used. For a can with radius r and height​ h, this goal is reached when 2πr3=πr2h. Answer parts... more
Algebra Math Algebra 1

08/05/21

The telephone company offers two billing plans for local calls. Plan 1 charges ​$24 per month for unlimited calls and Plan 2 charges $17 per month plus ​$0.04 per call.

The telephone company offers two billing plans for local calls. Plan 1 charges ​$24 per month for unlimited calls and Plan 2 charges $17 per month plus ​$0.04 per call.a. Use an inequality to find... more
Algebra Math Algebra 1

08/05/21

Solve the following inequality

Solve the following inequality:(-7/8x) > (-3/16)
Algebra

08/05/21

? 7,49,16,256,223,? that continues the pattern

Algebra

08/05/21

what continues this pattern 3,5,12,55,648

What continues this pattern 3,5,12,55 648
Algebra

08/05/21

Solve the equaltion for x.

5(5x2−17)2−343x−833=0
Algebra Math Physics

08/03/21

Projectile Motion

A projectile is thrown upward so that its distance above the ground after t seconds is h = -15t^2 + 510t. What is its maximum height?
Algebra Algebra 1

08/03/21

One number exceeds another number by 6. One fourth of the sum of the two numbers is two less than the smaller. Find the numbers .

One number exceeds another number by 6. One fourth of the sum of the two numbers is two less than the smaller. Find the numbers .
Algebra Math Calculus

08/02/21

Math word problem plz help me out

Julia traveled 360 kilometers to get to underground caves. On her way home, she traveled twice as fast. What was Julia's average speed on the way to the caves and on the way back home if the total... more
Algebra Math Calculus

08/02/21

Math word problem plz help

Olivia needs to mix paint and paint thinner to paint her house. It takes 20 liters of paint to prepare 25 liters ofmixture. How many liters of paint thinner would Olivia need to prepare a mixture... more

08/02/21

To determine whether two interior walls meet at a right angle

To determine whether two interior walls meet at a right angle, carpenters often mark a point 3 feet from the corner on one wall and a point 4 feet from the corner (at the same height) on the other... more

08/02/21

Three circles of radii 7.1, 10.9, and 13.5 cm are mutually tangent (see below). Find the shaded area bounded by the three circles. HINT: Connect the centers of the 3 circles.

Three circles of radii 7.1, 10.9, and 13.5 cm are mutually tangent (see below). Find the shaded area bounded by the three circles. HINT: Connect the centers of the 3 circles.

Projectile Motion

question 1: An object is thrown upward with an initial velocity of 15 feet per second. Its height is given by h= -15t^2 + 60t. After how many seconds does it hit the ground?question 2: A... more

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