All Questions

375

help number theory

How many two-digit positive integers are congruent to 1 (mod 8)?

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Guest Feb 10, 2022

387

help geometry

Points F, E, D are on the sides AB, AC, and BC , respectively, of right triangle ABC such that AFDE is a square. If AB = 12 and AC = 18, then what is AF?

read more ..

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Guest Feb 10, 2022

430

help number theroy

If $x \equiv 4 \pmod{19}$ and $y \equiv 7 \pmod{19}$, then find the remainder when $(x + 1)^2 (y + 5)^3$ is divided by 19.

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Guest Feb 10, 2022

406

Percent

Wendy divided 2 apples among 4 friends. Each friend and Wendy got an equal share of the apple. What percent of an apple did each person receive?

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Guest Feb 10, 2022

398

Tons

Joe's nursery just received a shipment of 2.5 tons of oak firewood. He sells it in 20-lb lots. How many lots can he make from 2.5 tons?

ElectricPavlov ●

Guest Feb 10, 2022

401

Parabola

The vertex of a parabola is at (12,-4), and its axis of symmetry is vertical. One of the x-intercepts is at (18,0). What is the x-coordinate of the other x-intercept?

ElectricPavlov ●

Guest Feb 10, 2022

340

Help!

Vincent has 3 empty containers A, B and C. He poured an equal amount of water into each of them. After that, 1/2 of A was filled with water, 1/4 of B was filled with water and 2/3 of C was filled with water. What is the ratio of the capacity of container read more ..

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Guest Feb 10, 2022

388

Parabola

The x-intercepts of the parabola y = ax^2 + bx + c are (-3,0) and (8,0). Find the equation of the parabola, and submit your answer in y = ax^2 + bx + c form.

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Guest Feb 10, 2022

355

A table of values of a linear function is shown below. Find the output when the input is n.

input= 1 2 3 4 n
ouput= 4 7 10 13

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Guest Feb 10, 2022

-2

390

+64

NEED heLP ASAP

Travis wants to buy some CDs over the Internet. Each CD costs $8.01 and has a shipping cost of $9.95 per order. If Travis wants to spend no more than $50 for his CDs, which inequality shows the maximum number of CDs, p, that he can buy?
read more ..

ElectricPavlov ●●

Kakashi Feb 10, 2022

454

0x0=0

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Guest Feb 10, 2022

260

Write an equation relating x and y.

Keisha is younger than her brother. The table shows her age (in years) alongside her brother's age (in years).
Using
x
for Keisha's age and read more ..

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Guest Feb 10, 2022

398

Below is the table of values of a function. Write the output when the input is n

input= 1 5 8 n output= 5 9 12

ElectricPavlov ●

Guest Feb 10, 2022

451

You are evenly dividing up a box of 13 power bars amongst 5 friends.

You are evenly dividing up a box of 13 power bars amongst 5 friends.
Each friend receives power bars and power bars remain.

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Guest Feb 10, 2022

+27

434

+1307

Factoring Expression

Assuming that x is not 3, simplify:

So far I was able to factor the second term:
read more ..

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dolphinia Feb 10, 2022

412

+64

Need help ASAP

Annie needs $30 to buy a coat. She has saved $12 and plans to work as a babysitter to earn $6 per hour. Which inequality shows the minimum number of hours, n, that Annie should work as a babysitter to earn enough to buy the coat?

read more ..

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Kakashi Feb 10, 2022

407

How do you work out a square root :)

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Guest Feb 10, 2022

416

Prime factorization site that lies to you

https://www.2dtx.com/prime/prime553559.html
if 553559 is prime, what's 73*7583?

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Guest Feb 10, 2022

279

geometry pls help

In triangle ABC, points D and F are on AB, and E is on AC such that DE || BC and EF || CD. If AF = 8 and DF = , then what is BD?

Guest Feb 10, 2022

408

Please help

Triangle ABC has vertices A(0,8), B(2,0), C(8,0). A vertical line intersects AC at R and {BC} at S, forming triangle RSC. If the area of RSC is 12.5, determine the positive difference of the x and y coordinates of point R.

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Guest Feb 10, 2022

435

+40

Help! I don't know a good way to solve this, can someone give me a hint?

In triangle , the angles , , form an arithmetic sequence, I think in that order. If , then what is , in degrees?

~PikachuLovesKetchup
read more ..

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PikachuLovesKetchup Feb 10, 2022

403

Number Theory

When the positive integer x is divided by each of 4, 5, 6, and 7, it has a remainder of 3. What is the sum of the three smallest possible values of x?

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Guest Feb 10, 2022

296

integer roots

What are all rational numbers "r" for which the two solutions of rx^2 + (r-2)x + (r+2)=0 are both integers?

Guest Feb 10, 2022

341

HELP PLEASE

It takes Darline 12 minutes to drive to work in light traffic. To come home, when there is heavy traffic, it takes her 27 minutes. Her speed in light traffic is 35 miles per hour faster than her speed in heavy traffic. Find her speed, in miles per hour, read more ..

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Guest Feb 10, 2022

All Questions ⁺⁰238160 Questions

help number theory

help geometry

help number theroy

Percent

Tons

Parabola

Help!

Parabola

A table of values of a linear function is shown below. Find the output when the input is n.

NEED heLP ASAP

0x0=0

Write an equation relating x and y.

Below is the table of values of a function. Write the output when the input is n

You are evenly dividing up a box of 13 power bars amongst 5 friends.

Factoring Expression

Need help ASAP

How do you work out a square root :)

Prime factorization site that lies to you

geometry pls help

Please help

Help! I don't know a good way to solve this, can someone give me a hint?

Number Theory

integer roots

HELP PLEASE

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