All Questions ⁺⁰238441 Questions

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493

1

Math

Find all possible integer values of n such that 2n^2 + 2n + 38 is a 4-digit number with all 4 digits equal.

Guest Apr 24, 2021

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429

1

geometry

D is on side BC of triangle ABC. We know $ABC \sim ACD$ and angle A = 49 degrees. If BC = CD, what is angle B in degrees?

Guest Apr 24, 2021

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531

2

Pls helppppp :DDDDD

What is a right triangle that has 22 as one of it's sides? It's sides must be integer lengths.

Guest Apr 24, 2021

0

534

7

off topic ish

How do I upload a picture? Pls answer

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Guest Apr 24, 2021

0

520

2

Math

2/5 of Elvis's money was 6/7 of Noah's money. After Noah received $20 from his mother and Elvis spent $36 on a bag, both of them had an equal amount of money left. How much did Elvis have in the end?

Guest Apr 24, 2021

0

383

1

Math

Harvey 1/4 of his money and an additional $7 to Curtis. He had $23 left. How much did Harvey have at first?

Guest Apr 24, 2021

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473

1

Primes

Find the sum of the primes between 100 and 200, inclusive, that are 1 or 2 or 3 more than a perfect square.

Guest Apr 24, 2021

0

1025

1

In triangle ABC, points D and E lie on BC and AC, respectively. If AD and BE intersect at T so that AT/DT = 3 and BT/ET = 4, what is

In triangle ABC, points D and E lie on BC and AC, respectively. If AD and BE intersect at T so that AT/DT = 3 and BT/ET = 4, what is CD/BD?

Guest Apr 24, 2021

+2

590

2

I’m banned from jiskha

Now jiskha is the worst

Guest Apr 24, 2021

0

531

2

Help Hard Problem

For some positive integer $n,$ the expansion of $(1 + y)^n$ has three consecutive coefficients $a,$ $b,$ $c$ that satisfy $a:b:c = 1:7:35.$ What must $n$ be?

Pls explain your solution because I don't really understand this type of read more ..

Guest Apr 24, 2021

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565

2

Help :D

In triangle MNO, MN = 13, NO = 37. P is on MO such that NP is perpendicular to MO and NP = 12. Find the area of triangle MNO.
Please include a picture as well.

Guest Apr 24, 2021

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437

1

Help

Guest Apr 24, 2021

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793

1

I'm a little confused?

Let be a point on the graph of equation, (x-94)^2 + (y-49)^2 = 44^2. What is the shortest possible distance between P and the x-axis?

Guest Apr 24, 2021

0

1656

0

The graph of a sinusoidal function has a maximum point at (0,10)(0,10)left parenthesis, 0, comma, 10, right parenthesis and then intersects

The graph of a sinusoidal function has a maximum point at (0,10)(0,10)left parenthesis, 0, comma, 10, right parenthesis and then intersects its midline at \left(\dfrac{\pi}{4},4\right)(4π,4)left parenthesis, start fraction, pi, divided by, read more ..

Guest Apr 24, 2021

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547

2

Algebra

The fourth degree polynomial equation x^4 - 7x^3 + 4x^2 + 7x - 4 = 0 has four real roots, a, b, c, and d. What is the value of the sum 1/(abc) + 1/(abd) + 1/(acd) + 1/(bcd)?

Guest Apr 24, 2021

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503

5

pls help

Using the Heron's Formula, what is the area of a triangle with sides √6, √24, and √30? Pls help!!!!

The Heron's Formula is √s(s-a)(s-b)(s-c)
where s is the semiperimeter i.e. half the perimeter, a is the first side, b is the read more ..

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Guest Apr 24, 2021

0

509

2

Quadratic

Find the non-zero value of c for which there is exactly one positive value of b for which there is one solution to the equation x^2 + (b + 4/b) *x + c = 0

Guest Apr 24, 2021

0

493

1

minimum

What is the smallest distance between the origin and a point on the graph of y = x^2 - 3?

Guest Apr 24, 2021

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358

0

minimum

What is the minimum value of the expression x^2 + y^2 + 2x - 4y + 8 - 10y + 3y for real x and y?

Guest Apr 24, 2021

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