All Questions

-1

933

+30

Help please!

If x = 4 (mod19) and y = 7 (mod19), then find the remainder when (x + 1)^2 (y + 5)^3 is divided by 19.

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er1004 Apr 25, 2019

-1

1297

+30

Help please!

a) Let A be the set of all numbers which can be represented as the sum of three consecutive positive integers. What is the greatest common divisor of all numbers in A?

b) Show that the sum of 11 consecutive integers is read more ..

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er1004 Apr 25, 2019

1047

+2864

Simplifying Exponents

I'm not that good at math, as I am only in middle school, so please help.

Express the following in simplest form :
read more ..

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CalculatorUser Apr 25, 2019

2117

+24

HELP PLEASE

A farmer has 1,300 acres of land on which he grows corn, wheat, and soybeans. It costs $45 per acre to grow corn, $60 to grow wheat, and $50 to grow soybeans. Because of market demand the farmer will grow twice as many acres of wheat as of corn. He has read more ..

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savcarroll Apr 25, 2019

1886

Please help

Given that the absolute value of the difference of the two roots ax^2 + 5x - 3 = 0 is , and a is positive, what is the value of a?

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Guest Apr 25, 2019

718

help thanks

what is the radical conjugate of 5-6rt2? Thanks!!!!!

ElectricPavlov ●

Guest Apr 25, 2019

512

need help click

8x6 = 48 6x8=48

off-topic

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Guest Apr 25, 2019

Apr 24, 2019

975

+170

Please Help

Let and be polynomials.
Suppose $f(x)=0$ for exactly three values of : namely , and .
Suppose for exactly five values of : namely , and $8$ .
Is it read more ..

Melody ●

FlyEaglesFly Apr 24, 2019

968

+687

What is 0.48 expressed as a fraction in simplest form? (just the 8 repeats)

What is 0.48 expressed as a fraction in simplest form? (just the 8 repeats)

https://snag.gy/9qs6uE.jpg

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hoiuu Apr 24, 2019

1913

Desperate need for help

A turtle can walk 1/12 of a kilometer in an hour. The turtle is 1/5 of a kilometer away from a pond. At this speed, how long will it take the turtle to reach the pond? Khan academy

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Guest Apr 24, 2019

1623

+257

Basic Probability

A number is selected at random from 1 through 100, inclusive. What is the probability that the number is a divisor of 50? Express your answer as a common fraction.

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SydSu22 Apr 24, 2019

1016

+19

Quadtratic Optimization.

What is the smallest possible real value of ?

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eggs27 Apr 24, 2019

1608

How do I solve this using combination

A teacher has made ten statements for a True-False test. Four statements are true and six are false. How many distinct answer keys could there be for the test?

just hints please, thanks!

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Guest Apr 24, 2019

934

+267

Solve for distance(and time) it takes to accelerate from v=0 to v=v_f

A car is standing still (). It accelerates at a rate of

Given and and solve for . ( and are known values) read more ..

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Quazars Apr 24, 2019

1308

+30

Help Please!

Find the remainder when $3 \times 13 \times 23 \times 33 \times \ldots \times 183 \times 193$ is divided by $5$.

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er1004 Apr 24, 2019

1375

+30

Help please!

If $a\equiv 18\pmod{42}$ and $b\equiv 73\pmod{42}$, then for what integer $n$ in the set $\{100,101,102,\ldots,140,141\}$ is it true that $$a-b\equiv n\pmod{42}~?$$

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er1004 Apr 24, 2019

1475

+30

Help please!

If $a\equiv 18\pmod{42}$ and $b\equiv 73\pmod{42}$, then for what integer $n$ in the set $\{100,101,102,\ldots,140,141\}$ is it true that $$a-b\equiv n\pmod{42}~?$$

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er1004 Apr 24, 2019

1757

The diameter of a conical paper cup is 3.4 inches, and the length of the sloping side is 4.53 inches, as shown in the figure. How much

The diameter of a conical paper cup is 3.4 inches, and the length of the sloping side is 4.53 inches, as shown in the figure. How much water will the cup hold? (Round your answer to two decimal places.)
____in3

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Guest Apr 24, 2019

649

geometry

6x+8=x+35 how do i solve??

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Guest Apr 24, 2019

1254

Help!

The equation $y = -4.9t^2 - 3.5t + 2.4$ relates the height $y$ (in meters) to the elapsed time $t$ (in seconds) for a ball thrown downward at 3.5 meters per second from a height of 2.4 meters from the ground. In how many seconds will the ball hit the ground? read more ..

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Guest Apr 24, 2019

878

help

A triangular region is bounded by the two coordinate axes and the line given by the equation 2x + y = 6. What is the area of the region, in square units?

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Guest Apr 24, 2019

-6

986

+73

For each sequence, decide whether it could be arithmetic, geometric, or neither. Last One!

For each sequence, decide whether it could be arithmetic, geometric, or neither.

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GAMEMASTERX40 Apr 24, 2019

All Questions ⁺⁰237749 Questions

Help please!

Help please!

Simplifying Exponents

HELP PLEASE

Please help

help thanks

need help click

Please Help

What is 0.48 expressed as a fraction in simplest form? (just the 8 repeats)

Desperate need for help

Basic Probability

Quadtratic Optimization.

How do I solve this using combination

Solve for distance(and time) it takes to accelerate from v=0 to v=v_f

Help Please!

Help please!

Help please!

The diameter of a conical paper cup is 3.4 inches, and the length of the sloping side is 4.53 inches, as shown in the figure. How much

geometry

Help!

help

For each sequence, decide whether it could be arithmetic, geometric, or neither. Last One!

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