All Questions ⁺⁰237665 Questions

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639

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Hello

Hillary has eleven coins, all dimes and nickels. In total, the coins are worth 75 cents. How many nickels does she have?

Guest Oct 2, 2020

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346

0

please help with this

Identify the vertices of the the region

Guest Oct 2, 2020

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502

2

Please help with this problem!

A mathematician works for hours per day and solves problems per hour, where and are positive integers and

Guest Oct 2, 2020

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390

1

line

A line through the points (3,-10) and (j,-1) is parallel to the line 4x - y = 3. What is the value of j?

Guest Oct 2, 2020

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513

1

please help

Solve 1/9 = 27^(2x + 1)

Guest Oct 2, 2020

+1

499

1

+479

haaaaalp

The -intercept of a positively-sloped line is -5, and the area of the triangle formed by the line, the -axis, and the -axis is 10. What is the slope of the line?

HelpBot Oct 2, 2020

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350

0

algebra

Let line t be the line represented by x - 2y = 7and let line p be the line perpendicular to line t and containing the point (4,-4). What is the x-coordinate of the point common to line t and line p? Express your answer as a common fraction.

Guest Oct 2, 2020

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327

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solve for x and y

x=2y and x^2+2x-y-y^2=36

Guest Oct 2, 2020

-1

685

3

+0

Which of the sets can be placed in a one to one correspondence?

Can an infinite set be placed into a one-to-one correspondence?

nalafxx Oct 2, 2020

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449

0

Division

Sara and her five friends are decorating picture frames with ribbon. They have 5 rolls of ribbon to share evenly. How does this situation represent division?

Guest Oct 2, 2020

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735

2

r s and t constants

If $r$, $s$, and $t$ are constants such that $\frac{x^{r-2}\cdot y^{2s}\cdot z^{3t+1}}{x^{2r}\cdot y^{s-4}\cdot z^{2t-3}}=xyz$ for all non-zero $x$, $y$, and $z$, then solve for $r^s\cdot t$. Express your answer as a fraction.

Guest Oct 2, 2020

+1

1325

1

+479

help please

Three marbles are randomly selected, without replacement, from a bag containing two red, two blue and two green marbles. What is the probability that one marble of each color is selected? Express your answer as a common fraction.

HelpBot Oct 2, 2020

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373

0

test

Solve this equation and state the properties or give your explanation for each step:

3x - 6 + x - 10 = 10x + 8 - 7x read more ..

Guest Oct 2, 2020

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570

1

sequence

Can you guys help me on number 11

Guest Oct 2, 2020

0

1096

3

Line p passes through points (-1, 2) and (-3, -4). What is the slope of a line perpendicular to p

Line p passes through points (-1, 2) and (-3, -4). What is the slope of a line perpendicular to p

Guest Oct 2, 2020

0

398

1

weird function

The complete graph of $y=f(x),$ which consists of five line segments, is shown in red below. (On this graph, the distance between grid lines is $1.$) Let $a$ and $b$ be the largest negative integer and the smallest positive integer, respectively, such that read more ..

Guest Oct 2, 2020

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675

1

geometric sequence

Given two terms in a geometric sequence find the term named: a5= -324 and a2=12 Find a 9

Guest Oct 2, 2020

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584

1

Given positive integers x and y such that x is not equal to y and 1/x + 1/y = 1/12, what is the smallest possible positive

Given positive integers x and y such that x is not equal to y and 1/x + 1/y = 1/12, what is the smallest possible positive value for x + y?

Guest Oct 2, 2020

0

613

2

+20

please help thank you!

Let A, B, C, and D be the following matrices:

Let V be the vector below:

Consider read more ..

cooooooolgurl123 Oct 2, 2020

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832

2

Find the 1st term of a harmonic sequence whose 5th term is 1/28 and whose 13th term is 1/180.

Find the 1st term of a harmonic sequence whose 5th term is 1/28 and whose 13th term is 1/180.

Guest Oct 2, 2020

0

521

1

algebra

Simplify sqrt{24x} * sqrt{16x} * sqrt{42x}. Express your answer in simplest radical form in terms of x.

Guest Oct 2, 2020

0

518

1

algebra

Find the minimum valuie of f(x) = |x + 7| + |x - 3| + |x - 10|.

Guest Oct 2, 2020

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