All Questions

316

help

Persephone is creating a flower garden in her back yard. If she needs 30 pounds of soil per square foo of the flower garden, how much soil will Persephone need to create her garden?

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Guest Sep 9, 2022

286

+29

help (again)

Ebony earned scores of 70 , 72 , 89 , 92 , 89 and 80 on six math tests. Determine her score on the seventh test if her average for the seven tests was 80? Enter your answer as a whole number

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shadster Sep 9, 2022

292

A 6-yard roll of butcher paper costs \$ 16 . 38$16.38.

A 6-yard roll of butcher paper costs \$ 16. 38$16.38.
What is the price per foot?

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Guest Sep 9, 2022

264

+22

help plz!!

The three angles of a triangle have angle a= x=2y degrees, angle b= 6x-5y degrees and angle c= 5x+3y degrees. Find x (in degrees).

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oofta Sep 9, 2022

314

Help pls

The ratio of the height of a rectangle to its width is 3:2. If the height of the rectangle is 12 centimeters, what is its width?

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Guest Sep 9, 2022

360

+590

If $x+y = 17$ and $x^2 + y^2 = 145$, then find $xy$

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weredumbmaster22 Sep 9, 2022

372

+590

The real numbers $x$, $y$ and $z$ satisfy the equations $x + 2y + 3z = 950$ and $3x + 2y + z = 1450$. What is the average of $x$, $y$ and $z

The real numbers x,y and z satisfy the equations x+2y+3z=950 and 3x+2y+z=1450. What is the average of x, y and z?

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weredumbmaster22 Sep 9, 2022

313

+590

\[3x+\frac{2}{x}-4=2(x+9)-\left(7-\frac{1}{x}\right).\]

Find x+1/x if
\[3x+\frac{2}{x}-4=2(x+9)-\left(7-\frac{1}{x}\right).\]

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weredumbmaster22 Sep 9, 2022

326

Equations

Nicole has 27 butterfly stickers and 14 panda stickers. About how many stickers does she have in all?

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Guest Sep 9, 2022

Sep 8, 2022

289

What is solution?

Becky, Ruby, Isabel, Lani, Alma, and Sabrina ran an 800-meter race. Alma beat Isabel by 7 meters. Sabrina beat Becky by 12 meters. Alma finished 5 meters ahead of Lani but 3 meters behind Sabrina. Ruby finished halfway between the first and last women. read more ..

Guest Sep 8, 2022

307

what is the greatest common factor for 10, 5, and 15?

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Guest Sep 8, 2022

224

Chem Question

The density of benzene at 15 ∘C∘C is 0.8787 g/mLg/mL. Calculate the mass of 0.1300 LL of benzene at this temperature.

Guest Sep 8, 2022

273

Atoms per mole help

not really a math question but what is an easier way to calculate how many atoms are in 8.834 moles, the equation for it is 6.02 x 10^23 atoms per mole

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Guest Sep 8, 2022

492

Bus A and Bus B leave the bus depot at 7 am. Bus A takes 25 minutes to complete its route once and bus B takes 40 minutes to complete its ro

Bus A and Bus B leave the bus depot at 7 am.
Bus A takes 25 minutes to complete its route once and bus B takes 40 minutes to complete its route once.
If both buses continue to repeat their route, at what time will they be back read more ..

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Guest Sep 8, 2022

286

+29

hELP

Mark is purchasing an assortment of bowling balls for his students on the high school bowling team. The weights of the first seven balls are 11, 12, 7, 11, 9, 7, and 11. How many pounds does the last ball need to weigh if he wants the average weight for read more ..

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shadster Sep 8, 2022

271

Help please

A point has spherical coordinates (p,thea,phi)=(4,pi/6,pi/2)
Then if its Cartesian coordinates are , (x,y,z) enter x,y,z
in that order.

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Guest Sep 8, 2022

294

+136

Let f(x) = sqrt{x} - 7. Then lim {h -> 0} (f(6 + h) - f(6))/h =

Let .
Then

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THESHADOW Sep 8, 2022

415

Need help ASAP!!!

1. Consider the matrices.
S=[4−31−2] and T=[0−443]

2. read more ..

Guest Sep 8, 2022

313

SOS

Consider the system of equations \begin{align*} 5x + y &= 31, \\ -3x + 4y &= -37. \end{align*} Solve the first equation for $y$ in terms of $x.$ Enter your answer in the form "$y = \dotsb.$"

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Guest Sep 8, 2022

322

questão de matematica

Em uma sala 20% dos alunos gostam de jogar vôlei e os 42 alunos restantes gostam de jogar futebol. Quantos alunos há nessa turma?

Google translate:
In a class, 20% of the students like to play volleyball and the remaining read more ..

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Guest Sep 8, 2022

340

find an equation of the circle that satisfies the given conditions. (Use the variables x and y.) Center (−1, 4), radius 2

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Guest Sep 8, 2022

Sep 7, 2022

288

need help fast

thanks in advance

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Guest Sep 7, 2022

253

palindromes

Find all four-digit palindromes that are divisible by 19.

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Guest Sep 7, 2022

277

algebra

Explain how to calculate 75 + 72 + 69 + 66 + ... + 21 + 18 + 15 + ... + (-69) + (-72) + (-75) without a calculator.

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Guest Sep 7, 2022

267

help quick

please help quick!

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Guest Sep 7, 2022

All Questions ⁺⁰237827 Questions

help

help (again)

A 6-yard roll of butcher paper costs \$ 16 . 38$16.38.

help plz!!

Help pls

If $x+y = 17$ and $x^2 + y^2 = 145$, then find $xy$

The real numbers $x$, $y$ and $z$ satisfy the equations $x + 2y + 3z = 950$ and $3x + 2y + z = 1450$. What is the average of $x$, $y$ and $z

\[3x+\frac{2}{x}-4=2(x+9)-\left(7-\frac{1}{x}\right).\]

Equations

What is solution?

what is the greatest common factor for 10, 5, and 15?

Chem Question

Atoms per mole help

Bus A and Bus B leave the bus depot at 7 am. Bus A takes 25 minutes to complete its route once and bus B takes 40 minutes to complete its ro

hELP

Help please

Let f(x) = sqrt{x} - 7. Then lim {h -> 0} (f(6 + h) - f(6))/h =

Need help ASAP!!!

SOS

questão de matematica

find an equation of the circle that satisfies the given conditions. (Use the variables x and y.) Center (−1, 4), radius 2

need help fast

palindromes

algebra

help quick

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