Find the quadratic equation given the solutions.

1) x = 9 , x = -52) x = 3i , x = -3i3) x = square root of 3 , x = negative sq rt of 3

The temperature of a cup of coffee varies according to Newton's Law of Cooling

The temperature of a cup of coffee varies according to Newton's Law of Cooling: , where T is the temperature of the coffee, A is the room temperature, and k is a positive constant. If the coffee... more

04/19/21

math word problem

kevin sold half of his baseball cards to miles and then went into the mall and bought 12 more he has 65 baseball cards in his collection write an equation to find out how many baseball cards kevin... more

04/19/21

find the arc length of the partial circle

it is a quarter of a circle(like a pizza slice) and it has an 8 for the radius but it is asking for the curved part of the circle. we have to use 3.14 to find the unit of the part of the circle

04/19/21

math test please help fast

David had $35 to spend at the fair. If the admission to the fair is $4.5 and the rides cost $1.50 each, what is the greatest number of rides David can go on? A. Write an inequality that represents... more

A right triangle has legs that are consecutive integers.

A right triangle has legs that are consecutive integers. The hypotenuse is two greater than the shortest let. Use a quadratic equation to find the dimensions of the right triangle.

Diane is 5’8” tall and wants to find the height of an oak tree in her front yard

Diane is 5’8” tall and wants to find the height of an oak tree in her front yard. She walks along with the shadow of the tree until her head is in a position where the end of her shadow exactly... more

04/19/21

25 more than thrice n

04/19/21

solve this system by using the elimination method

7x - 5y = -24-9x + 5y = 18

04/19/21

Math question??

Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 3 liters of synthetic oil. In order to make 672 liters of Petrolyn oil, how many... more

04/19/21

Write two expressions that are equivalent to 7x10^-4

04/19/21

What is the perimeter of an equal sided triangle if one side is 3 inches?

What is the perimeter of an equal sided triangle if one side is 3 inches?

04/19/21

y=12 when x=6/7, find x when y=16

I need this answered asap

04/19/21

Algebra(Mathematics)

The rectangle below has an area of x^2-11x+30 square meters and a length of x-5 meters. What expression represent the width of the rectangle?

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