All Questions ⁺⁰230566 Questions

0

1276

1

parabola

The area of the triangle formed by points of intersection of parabola y=a(x-3)(x+2) with the coordinate axes is 12. Find a if it is known that parabola opens upward.

Guest Feb 7, 2021

0

378

1

help plz

Set up a proportion and use it to solve for x.

Guest Feb 7, 2021

0

337

3

Please Help Fast

Given that the point (9,7) is on the graph of , there is one point that must be on the graph of . What is the sum of coordinates of that point?

Guest Feb 7, 2021

0

418

1

The population of a small town is growing at a rate of 5% per year

The population of a small town is growing at a rate of 5% per year. If the population right now is 22 000, What will the population be 10 years from now?

Guest Feb 7, 2021

+1

701

4

+308

urgent help needed!

As shown in the diagram, $\overline{PQ}$ is the median of trapezoid $ABCD,$ where $AB=25$ inches and $CD=36$ inches. Find $XY$ in inches.

read more ..

notsmart2.0 Feb 7, 2021

0

313

0

dire help needed! physics and vectors

1. The tiller is a lever that controls the position of the rudder on a boat. When force is applied to the tiller, the boat will turn. Suppose the tiller on a certain boat is 0.75 meter in length and is currently resting in the xy‐plane at a 15° angle read more ..

Guest Feb 7, 2021

0

230

0

need help with interest rates

Tony invests $\$3,000$ dollars in an account earning 12% interest per year. How long will it takehim to make $\$3960$ dollars in simple interest?
3 years
5 years
8 years
11 years

Guest Feb 7, 2021

0

378

1

geometric sequence

The third term of an arithmetic sequence of positive numbers, in which the difference between the terms is not zero, is the geometric mean of the first and fifth terms. What is the ratio of the second term to the first term of the sequence?
<read more ..

Guest Feb 7, 2021

0

413

1

help geometry

ABCD is a quadrilateral. Work out angle x.

Guest Feb 7, 2021

0

267

1

geometry help

As shown in the diagram, $BD/DC=2,CE/EA=3,$ and $AF/FB=4.$ Find $[DEF]/[ABC].$

read more ..

Guest Feb 7, 2021

0

307

1

counting

Find the number of four-digit numbers which are not divisible by 4 or 5.

Guest Feb 7, 2021

Feb 6, 2021

0

836

2

pls help

As shown in the diagram, one end of a $11$-foot-long electric cable is fixed at point $A$ on the wall, and the other end of the cable (denoted by $C$) is a sensor. There is a pin attached to the cable at a point $B$ that is $4$ units away from $C$, and read more ..

Guest Feb 6, 2021

0

302

3

2 function questions

The graph of $y=f(x)$ is shown in red below. Find $f(2).$
https://latex.artofproblemsolving.com/d/9/f/d9fbbcb6f385be51bfae50bf03b220b3c7909ba9.png
(Assume grid lines are spaced 1 unit apart.)
read more ..

Guest Feb 6, 2021

0

263

1

inverse functions

Determine if the pair of functions are inverses.

Guest Feb 6, 2021

0

270

1

coordinates

Let X,Y, and Z be points such that If XZ/XY = ZY/XY = 1/2. If Y = (1,-7) and Z = (-1,-7), then what is the sum of the coordinates of X?

Guest Feb 6, 2021

0

295

1

help plz

The graph of y=f(x) has the line x=5 as an axis of symmetry. The graph also passes through the point (8, -7) Find another point that must lie on the graph of y=f(x).

Guest Feb 6, 2021

0

278

1

statistics

Seven positive numbers a<=b<=c<=d<=e<=f<=g, has mean, median, mode all equal to 17. Then what is the largest possible value of g?

Guest Feb 6, 2021

0

2126

1

confusing problem

There are some red counters and some yellow counters in a bag in the ratio 1 : 5There are 20 yellow counters in the bag. Janet puts some more red counters into the bag. The ratio of the number of red counters to the number of yellow counters is now 1 : read more ..

Guest Feb 6, 2021

0

579

6

product of primes

write 270 as a product of primes

●●●●●●

Guest Feb 6, 2021

0

498

2

Please help

Bus A and Bus B leave the bus depot at 2 pm.
Bus A takes 15 minutes to complete its route once and bus B takes 25 minutes to complete its route once.
If both buses continue to repeat their route, at what time will read more ..

Guest Feb 6, 2021

0

369

3

parallel lines

If e || f, solve for a in terms of y and x.

Guest Feb 6, 2021

+1

368

1

Just wanna say

I miss Rom and Rosala so much... They are such a asset to the forum

Guest Feb 6, 2021

0

363

2

ratio question

What is the ratio of a:b, knowing that (a-b)/(a+b)=3/5

Guest Feb 6, 2021

0

334

1

algebra

You need a 35% alcohol Solution on hand you have a 270 mL of a 30% alcohol mixture you also have 80% alcohol mixture how much of the 80% mixture will you need to obtain the desired solutionyou will need
_____mL of the 80% solution
_____mL of the desired read more ..

Guest Feb 6, 2021

0

295

1

leap years

A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Under this proposal, how many leap years will there be that end in double zeroes between 1996 and 2096?

Guest Feb 6, 2021

1 Online Users