All Questions

878

+866

hard question!

The function f(x) is graphed below. Each small box has width and height 1.

read more ..

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AnimalMaster Jul 18, 2020

740

+212

A line through the points (2, -9) and (j, 17) is parallel to the line 2x + 3y = 21. What is the value of j?

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Filliqq Jul 18, 2020

534

algebra

If then what is

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Guest Jul 18, 2020

+10

636

+680

help with question

What is the area of the region bounded by the three lines with equations , and ?
Thanks!

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amazingxin777 Jul 18, 2020

522

algebra

Compute

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Guest Jul 18, 2020

481

help with quadratic

If , find the sum of the roots of the equation.

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Guest Jul 18, 2020

763

+16

Probability

I have a hat that contains six nickels and five pennies. I draw coins from the hat at random, without replacement. Find the probability that after drawing four coins, I have removed at most two pennies from the hat.

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Ben7442era Jul 18, 2020

641

+335

Helo Pleasae Help

The equation $y = -6t^2 + 43t$ describes the height (in feet) of a projectile $t$ seconds after it is launched from the surface of Mars at 43 feet per second. In how many seconds will the projectile first reach 77 feet in height? Express your answer as read more ..

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Rayjplayz Jul 18, 2020

490

please help

What is the value of the subtraction?

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Guest Jul 18, 2020

533

help... what I've tried is below:

The graph of y=ax^2+bx+c passes through points (0,5), (1,10), and (2,19). Find a+b+c.

I tried what EP said, and plugged in 0,5, where 5 is y, and 0 is x. I got c = 5.
read more ..

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Guest Jul 18, 2020

398

help please

For question 4, use the figure below and what you know about similarity to solve for the missing measures/angles. Show the calculations that lead to your results. (1.25 pts each) a) A F = _____ Calculations: b) A E = _____ Calculations: c) E D read more ..

Guest Jul 18, 2020

504

Help pls

If $a+b = 8$, $b+c = -3$, and $a+c = -5$, what is the value of the product $abc$?

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Guest Jul 18, 2020

580

+167

Help needed

Thanks if you do!

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kijijij Jul 18, 2020

508

+22

Please help quick!!!

Find constants $A$ and $B$ such that \[\frac{x + 7}{x^2 - x - 2} = \frac{A}{x - 2} + \frac{B}{x + 1}\] for all $x$ such that $x\neq -1$ and $x\neq 2$. Give your answer as the ordered pair $(A,B)$.

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INEEDHELPCUZIMSMART Jul 18, 2020

610

coordinates

Here's a graph of a linear function. Write the equation that describes that function. Express it in slope-intercept form

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Guest Jul 18, 2020

390

need help with this

Simplify

Guest Jul 18, 2020

1000

Help

Find the sum of all integers that satisfy these conditions:\[ |x|+1>7\text{ and }|x+1|\le7. \]

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Guest Jul 18, 2020

576

help with arithmetic progression

the 3rd term of an A.P is 6 and the 16th term is 32 find the common difference and the sum of the first 20 term

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Guest Jul 18, 2020

-10

2063

+118725

Old 'prank' question

Here is an old one that was reported.
Maybe someone might be interested in working out it is a real, answerable question.

read more ..

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Melody Jul 18, 2020

1048

+212

For what value of k are the lines 2x + 3y = 4k and x - 2ky = 7 parallel? Express your answer as a common fraction.

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Filliqq Jul 18, 2020

647

+171

heeeeelp

An expression is formed using the numbers 7, 16, 25, and 27 according to the following rules.
Each of the four numbers is used exactly once.
The four numbers may be used in any order.
Exactly three operations are used; each one read more ..

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BillyBobJoeJr Jul 18, 2020

534

probability

Arun and Arjun are 2 shifty witnesses in a court case. Arun tells the truth 75% of the time, and Arjun tells the truth 80% of the time.
If they were to narrate the same incident, what is the percentage probability that they will contradict each read more ..

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Guest Jul 18, 2020

All Questions ⁺⁰237827 Questions

hard question!

A line through the points (2, -9) and (j, 17) is parallel to the line 2x + 3y = 21. What is the value of j?

algebra

help with question

algebra

help with quadratic

Probability

Helo Pleasae Help

please help

help... what I've tried is below:

help please

Help pls

Help needed

Please help quick!!!

coordinates

need help with this

Help

help with arithmetic progression

Old 'prank' question

For what value of k are the lines 2x + 3y = 4k and x - 2ky = 7 parallel? Express your answer as a common fraction.

heeeeelp

probability

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