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469

1

Applying A Quadratic formula in a word problem

The quadratic function d(s)= 0.0056s^2 + 0.14s models the relationship between the stopping distance, d, in metres and speed,s in kilometres per hour in driving a car. What is the fastest you can drive and still be able to stop within 60m? read more ..

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Guest May 28, 2021

0

472

1

please help I am stuck

If z is a complex number satisfying z+1/z=1
calculate z^10+z^-10

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Guest May 28, 2021

-1

492

1

Applying the Quadratic formula to a word problem

The quadratic function d(s)= -0.0056s^2 + 0.14s models the relationship between the stopping distance, d, in metres and speed,s, in kilometres per hour in a driving car. What is the fastest you can drive and still be able to stop within 60m?

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Guest May 28, 2021

0

417

1

Help geometry

In the diagram, triangle ABE, triangle BCE and triangle CDE are right-angled, with Angle AEB= Angle BEC= Angle CED=60 degrees, and AE=25. Find the length of DE.

read more ..

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Guest May 28, 2021

0

618

4

+89

Please help. I would appreciate it!

Is it possible to find two data sets A and B such that A has a greater median and mode, while B has a greater average and range? If you think the answer is yes, provide an example. If you think the answer is no, explain why not.

ElectricPavlov ●●●●

tmatthews May 27, 2021

0

279

1

help

Solve the system of equations 5x+6y=265x+6y=26 and -x+y=-14−x+y=−14 by combining the equations.

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Guest May 27, 2021

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431

1

Algebra

Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as read more ..

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Guest May 27, 2021

0

410

1

Polynomials

If f(x) = 2x^5 - x^4 + x^2 - 3, and g(x) is a polynomial such that the degree of f(x) + g(x) is 8, then what is the degree of g(x)?

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Guest May 27, 2021

0

415

1

help algebra

Suppose we want to pick two numbers from {1,2,⋯,100} randomly. What is the probability that the sum of the two picked numbers is divisible by 4?

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Guest May 27, 2021

0

538

1

+315

An Algebra Problem.

If f(x) is a function whose domain is [-1, 9], and g(x) = f(x^2), then the domain of g(x) is an interval of what width?

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WillBillDillPickle May 27, 2021

0

455

1

Applying a quadratic formula to a word problem

The quadratic function d(s) -0.0065s^2 + 0.14s models the relationship between the stopping distance, d, in metres and speed,s, in kilometres per hour in a driving car. What is the fastest you can drive and still be able to stop within 60m?

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Guest May 27, 2021

0

527

1

?????

3/4 of the boats in the marina are white, 4/7 of the boats are blue, the rest are red. If there are nine red boats, how many boats are in the Marina?

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Guest May 27, 2021

+1

543

4

Fractions

Paul and Harry each had a collection of fossils. Harry had 2/5 as many fossils as Paul. When Paul lost 20 fossils, Harry then had twice as many as Paul. How many fossils were in Paul's collection at first?

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Guest May 27, 2021

0

305

0

Polynomials

Suppose that f is a polynomial such that (x -1 ) f(x) = 3x^8 + x^3 - 25x^2 + 38x - 17. What is the degree of f?

Guest May 27, 2021

0

289

0

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

Guest May 27, 2021

0

481

2

help geometry

A region is bounded by semicircular arcs constructed on the side of a square whose sides measure 2/pi, as shown. What is the area of this region?

read more ..

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Guest May 27, 2021

0

413

2

Let ... be a sequence of positive real numbers such that , for all . Find the smallest possible value of

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Guest May 27, 2021

-1

490

1

+102

help

During a chemistry lab, you use a funnel to pour slime into a flask. The radius of the funnel is 4 cm and the height is 12 cm. You pour the slime into the funnel at a rate of 60 mm per second and the slime flows out of the funnel at a rate of 40 mm per read more ..

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blahblah101 May 27, 2021

-2

390

0

+102

please help and show work thanks

During a chemistry lab, you use a funnel to pour slime into a flask. The radius of the funnel is 4 cm and the height is 12 cm. You pour the slime into the funnel at a rate of 60 mm per second and the slime flows out of the funnel at a rate of 40 mm per read more ..

blahblah101 May 27, 2021

-1

457

1

+102

Help please

There's a sphere, exactly half of it gets removed, the diameter is 99. What is the volume?

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blahblah101 May 27, 2021

All Questions ⁺⁰237665 Questions

Applying A Quadratic formula in a word problem

please help I am stuck

Applying the Quadratic formula to a word problem

Help geometry

Please help. I would appreciate it!

help

Algebra

Polynomials

help algebra

An Algebra Problem.

Applying a quadratic formula to a word problem

?????

Fractions

Polynomials

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

help geometry

Let ... be a sequence of positive real numbers such that , for all . Find the smallest possible value of

help

please help and show work thanks

Help please

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