All Questions ⁺⁰235547 Questions

+9

397

1

+289

help square root prob.

How many terms of the sequence $\sqrt{1},\sqrt{2},\sqrt{3},\sqrt{4},\ldots$ are less than or equal to $20$?

Glowlife Feb 19, 2022

0

291

1

geometry

In the diagram, O is the center of a circle with radii OP=OQ=5. What is the perimeter of the shaded region?

Guest Feb 19, 2022

Feb 18, 2022

0

310

4

+72

Math help

Is this correct?

https://prnt.sc/GVP7CZnY47ND

loona Feb 18, 2022

0

343

4

help cphil

Find the smallest possible value of$$\frac{(y-x)^2}{(y-z)(z-x)} + \frac{(z-y)^2}{(z-x)(x-y)} + \frac{(x-z)^2}{(x-y)(y-z)},$$where $x,y,$ and $z$ are distinct real numbers.

Guest Feb 18, 2022

0

184

0

Geometry

A triangle with integer sides has perimeter . How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)

Guest Feb 18, 2022

0

303

1

Money

Chef Justin was very particular about the ingredients he used in his pizzas. He even ordered the mozzarella directly from Italy. His favorite mozzarella was Mozzarella di Bufala, made in Campania. It costs $9.91 per pound. He used half of read more ..

Guest Feb 18, 2022

+10

313

3

+289

help!

Express $\sqrt{x} \div\sqrt{y}$ as a common fraction, given: $\frac{ {\left( \frac{1}{2} \right)}^2 + {\left( \frac{1}{3} \right)}^2 }{ {\left( \frac{1}{4} \right)}^2 + {\left( \frac{1}{5} \right)}^2} = \frac{13x}{41y} $

Glowlife Feb 18, 2022

0

280

1

Coordinates

The equation of an ellipse is x^2+y^2/4=1. The equation of a line is y=3x+b. For what values of b is the line tangent to the ellipse?

Guest Feb 18, 2022

0

183

0

interm alg.

For a positive integer $n,$ let $S_n$ denote the sum of the first $n$ terms of a particular arithmetic sequence. If $S_6 > S_7 > S_5,$ then find the positive integer $n$ such that $S_n S_{n + 1} < 0.$

Guest Feb 18, 2022

0

337

2

+72

Math help

https://prnt.sc/hyuKGVXLTfyZ
read more ..

loona Feb 18, 2022

0

356

1

The directrix of a parabola is y=−8. The focus of the parabola is (−2,−6) .

The directrix of a parabola is y=−8. The focus of the parabola is (−2,−6) .
What is the equation of the parabola?
y=1/4(x+2)^2 −7
y=−1/4(x−2)^2 −7 read more ..

Guest Feb 18, 2022

0

295

1

Fractions

On Parents Day John gave his mother 2 blue flowers, 1 pink flower, and 5 white flowers. What fraction of the flowers is blue? Pink? White? Order the fractions from the greatest to the least.

Guest Feb 18, 2022

0

271

1

Algebra

The expression 3y^2 - y - 24 - 21y + 8 can be written as (3y+a)(y+b) where a and b are integers. What is a-b ?

Guest Feb 18, 2022

0

431

10

+660

Please Help!

State University is planning a tuition raise. The Dean of Admissions suggests that they increase tuition by 10% each year for the next two years. The Provost suggests that each year they instead increase the tuition by 30% of the amount of the tuition above read more ..

XxmathguyxX ●●●●●●●●●●

Keihaku Feb 18, 2022

0

328

1

+103

Math

The Smithson family is going to visit family in California for spring break. They plan to spend 1/3 of their time fishing, 1/4 of their time swimming. 1/4 of their time just relaxing, and the rest of their time at an amusement park. Approximately read more ..

Robtlukas Feb 18, 2022

0

299

1

Help

Alexander's copy store received an order for 4,320 copies. The store has 3 printers. If Alexander only uses one printer at a time, the first printer would complete the job in 8 hours, the second in 12 hours, and the third in 9 hours. How long would it take read more ..

Guest Feb 18, 2022

0

296

1

+20

inverse

Use the graph below to answer the following questions.

Will the inverse of f(x) be a function? How can you tell?
read more ..

Nimrod Feb 18, 2022

0

327

1

Algebra

Find the unique pair of real numbers (x,y) satisfying
(3x^2 + 6x + 5)(2y^2 + 8y + 10) = 4.

Guest Feb 18, 2022

0

183

0

geometry

Explain the importance of using the square of the scale factor to calculate the area of a dilated figure.

Guest Feb 18, 2022

0

325

2

Polygon

An equiangular polygon with n sides has -degree interior angles. Find the integer n.

Guest Feb 18, 2022

0

319

2

Algebra

Find all real x where
2*(x - 5)/(x - 4) > (2x - 5)/(x + 2) + 5.
Give your answer in interval notation.

Guest Feb 18, 2022

-2

358

3

+64

helppp

Martha works in a toy shop and earns $44 per day. She earns an extra $2 for each toy she sells. If Martha wants to earn at least $80 per day, which inequality shows the minimum number of toys, n, that she should sell?
A.44 + 2n ≥ 80, so n ≥ 18 read more ..

Kakashi Feb 18, 2022

-1

285

2

+64

Need help

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?
A.9.95p read more ..

Kakashi Feb 18, 2022

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