All Questions ⁺⁰230428 Questions

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415

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Algebra

What is the value of b if $5^b + 5^b + 5^b + 5^b + 5^b = 625^{(b-1)}*25^{b}$ ? Express your answer as a common fraction.

Guest Nov 12, 2021

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221

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Help

Find all x such that $\lfloor 2x \rfloor + \lfloor x \rfloor = 7$. Give your answer in interval notation.

Guest Nov 12, 2021

Nov 11, 2021

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257

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Functions

For a real number x, find the number of different possible values of $x/|x|$.

Guest Nov 11, 2021

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161

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7th grade math

I'm having trouble finding proportional relationships

Guest Nov 11, 2021

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191

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Math problems

1. Nine points are arranged in a 3 x 3 grid, as shown below. In how many different ways can you choose three points, so that they form a triangle?

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279

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Coordinates

Find the distance between (3,4) and the line 4x+3y+7=2x-y+5.

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209

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Help!

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

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305

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centroid

G is the centroid of triangle ABC. and are the centroids of triangle BCG, triangle CAG, and triangle ABG, respectively. What is ?
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346

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Need Help!

How many integer solutions for (a, b) satisfied the following equation
a^2+b^2=ab^2

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213

1

Coordinates

The line y=(3x+20)/4 intersects a circle centered at the origin at A and B. We know the length of chord AB is 25. Find the area of the circle.

Guest Nov 11, 2021

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260

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geometry

In the diagram, G is the centroid of triangle ABC. If [ABC] = 72, then what is [GME]?

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305

3

X + 3% = 600

Guest Nov 11, 2021

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295

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Quadratics

If n is a constant and if there exists a unique value of m for which the quadratic equation $x^2 + mx + (2m+n) = 0$ has one real solution, then find n.

Guest Nov 11, 2021

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382

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+1124

Parabola given two equations

Hi friends,
My stepdaughter came to me today explaining a sum she got in the exam. I believe I have understood her right, so here is the problem....I did some of it..

juriemagic Nov 11, 2021

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210

1

Algebra

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 32 miles per hour instead, then I would have arrived 38 minutes later. How many miles did I drive?

Guest Nov 11, 2021

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207

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Geometry

The tangent to the circumcircle of triangle WXY at X is drawn, and the line through W that is parallel to this tangent intersects at Z. If XY = 14 and $WX = 15$ find YZ.

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Guest Nov 11, 2021

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167

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Coordinates

Points A, B, and C are given in the coordinate plane. There exists a point Q and a constant k such that for any point P,
PA^2 + PB^2 + PC^2 = 3*PQ^2 + k.

If A = (4,-1), B = (18,-5), and C = (7,-13), then find the constant read more ..

Guest Nov 11, 2021

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343

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Sequence

What is the eighth term in the arithmetic sequence 2/3, 4/3, 2, ...?

Guest Nov 11, 2021

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234

1

Pls helpp I do not understand this question thank you so muchh!!

To make dough mixture for baking 70 cupcakes, 1 3/8 kg of flour and 4/5 kg less
sugar than flour is needed. What is the total amount of flour and sugar needed to
bake 560 cupcakes?
Give your answer as a mixed number in the simplest read more ..

Guest Nov 11, 2021

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240

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10q

There were some marbles in a box for sale. Leon bought 3/4 of all the marbles in

the box and he was given 8 marbles free. Next, Hariz bought 1/2 of the remaining
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Guest Nov 11, 2021

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308

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Pls help Thk u

At a party, each adult was given 3 chocolates. Each boy was given 4 chocolates and
each girl was given 5 chocolates. 1/4 of the people at the party were adults. The ratio of
the number boys to the number of girls was 4:11. Given that 1462 read more ..

Guest Nov 11, 2021

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202

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geometry

Rectangle ABCD has points E and F on sides AB and CD, respectively. If AE = AB/3 and CF = CD/4 and segments DE and BF intersect diagonal AC at G and H, respectively, what is the ratio AG:GH:HC? Express your answer in the form a:b:c, where a, b and c are read more ..

Guest Nov 11, 2021

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341

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Function

Let
f(n) = n^2 - 2 if n < 0
f(n) = 2n - 28 if n >= 0
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Guest Nov 11, 2021

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295

1

which expression is a monomial

which expression is a monomial

Guest Nov 11, 2021

+1

178

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Algebra question

Let a and b be real numbers such that a + b = -1. Compute a^2 - b^2 + 3a + b.

Guest Nov 11, 2021

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