All Questions ⁺⁰238211 Questions

Jun 7, 2021

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494

2

Algebra

What is the sum of all values of y for which the expression (y + 6)/(y^2 - 3y - 2) is undefined?

Guest Jun 7, 2021

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330

0

Graphing

Let y = f(x) be the function defined on -1 <= x <= 1 by the formula
\[y = \sqrt{4 - (x - 1)^2} - 1.\]
This is a graph of y = f(x):
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Guest Jun 7, 2021

+1

468

1

Furctions

Guest Jun 7, 2021

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431

2

Find the smallest possible integer

Find the smallest possible integer such that .
Note: For a real number x,{x} = x - [x] denotes the fractional read more ..

Guest Jun 7, 2021

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461

1

Coordinates

The length of the segment between the points (2a, a - 4) and (4,-7) is sqrt(18) units. What is the product of all possible values for a?

Guest Jun 7, 2021

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543

7

Please help CPhill!

Could someone please help me? I've tried this problem by myself but it never seems to work out. Thanks!

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Guest Jun 7, 2021

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494

1

Number Theory

As n ranges over the positive integers, what is the sum of all possible values of the greatest common divisor of 3n + 4 and n + 16?

Guest Jun 7, 2021

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396

1

Coordinates

Find the radius of a circle with the equation:
x^2 + y^2 – 18x – 24y + 124 = 0

Guest Jun 7, 2021

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453

1

Math problem

A star-polygon is drawn on a clock face by drawing a chord from each number to the fifth number counted clockwise from that number. That is, chords are drawn from 12 to 5, from 5 to 10, from 10 to 3, and so on, ending back at 12. What number comes after read more ..

Guest Jun 7, 2021

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445

4

Easiest way to memorize the quadratic equation?

Does anyone have an easy way to memorize to quadratic equation?

thanks
⚡️ read more ..

Guest Jun 7, 2021

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497

1

Victor goes 3 miles west and then turns to a bearing of 310 degrees and goes 7 more miles. How far is he from the starting point?

When it says he turns to "a bearing of 310 degrees," does it mean [N310E] or 310 degrees from his westward direction?

Guest Jun 7, 2021

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466

1

Algebra

For what value of x is the expression (2x^3 + 3)/(x^2 - 24x + 100) not defined?

Guest Jun 7, 2021

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468

1

Isosceles triangle

For some value d, an isosceles triangle has at least one angle of 2d-40 degrees and at least one angle of d+10 degrees. What are all possible values of d?

Guest Jun 7, 2021

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582

3

Age Word Problem

Susie is 4 years old and Cindy is 2 years old. Their father, Terry, is 30 years old. How long will it be before the sum of the children's ages is half of his?

Can you explain the answer with x's because I'm doing algebra.
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Guest Jun 7, 2021

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517

1

+129

Dumbodks

Kenny had 230 marbles and Ditor had 65 marbles. When each one gave away the same number of stickers, Kenny then had 4 times as many stickers as Ditor. How many marbles did each give away?

Soyoxxommm Jun 7, 2021

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478

1

Imaginary Number

Simplify -3(1 + 4i) + i(-2 - i).

Guest Jun 7, 2021

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457

1

Geometry

In the figure, ABCD is a rectangle, AZ = WC = 6, AB = 15, and the area of trapezoid ZWCD is 130 square units. What is the area of triangle BQW?

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Guest Jun 7, 2021

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524

1

+151

Math

the stock market measures earnings per share of stock of companies on monday, company abc opened and closed at $22.31 per share. on tuesday it rose $0.27 per share. on wednesday it fell $1.12 per share. on thursday it fell another $1.16 per share. on friday read more ..

Ajdabegano Jun 7, 2021

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517

3

Math problem

Each of the digits 1,2,3,4,5,6 is used exactly once in forming the 3-digit integers X and Y. How many possible values of X + Y are there if X - Y = 333?

Guest Jun 7, 2021

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475

1

+129

Math

Luke sold 4 times as many books as Maurice. If Maurice had sold 18 more books, he would have tied Luke for first place. How many books did Luke sell?

Soyoxxommm Jun 7, 2021

0

526

1

+129

Help me it’s urgent

A car manufacturer was having a sale on cars. Each car was being sold for 4,000 dollars less than the original price. 30 cars were sold every ¼ of an hour. At this rate, how many cars would be sold in an hour?

Soyoxxommm Jun 7, 2021

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449

1

Rational

Determine and simplify the difference between 𝑥+2/ 4𝑥+8 and 3−𝑥/ x^2+2𝑥 . State any restrictions

Thank you!

Guest Jun 7, 2021

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