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152

help hard geometry

Two tangent circles are shown below. One circle is centered at (2,4) with radius 4, and the other circle is centered at (6,1) with radius 1. The equation of a common external tangent to the circles can be written in the form y = mx + b with read more ..

Guest Apr 23, 2022

260

Geometry problem

The interior angle measures of a pentagon form an arithmetic progression. The difference between the largest and smallest angle measures is degrees. Find the measure of the smallest angle, in degrees.

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Guest Apr 23, 2022

292

help pls!

ne of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root? \begin{align*} &-x^2 + 18x + 81 \\ &3x^2 - 6x + 9 \\ &8x^2 - 32x + 32 \\ &25x^2 - 30x - 9 \\ &x^2 - 14x + 196 \end{align*} read more ..

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Guest Apr 23, 2022

265

need help with this

In the figure, point O is the center of the circle, the measure of angle RTB is 28 degrees, and the measure of angle ROB is four times the measure of angle SOT. What is the measure of minor arc RS, in degrees?
read more ..

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Guest Apr 23, 2022

261

Algebra problem

If a + b = 7 and a^3 + b^3 = 42 - 7ab, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.

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Guest Apr 23, 2022

282

+10

I NEED HELP FAST

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?

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Helloineedhelp Apr 23, 2022

306

+38

math problem

30% of the people in a hall were children. 20% of the children were boys. What percentage of the people were girls?

geno3141 ●

appleboi1u Apr 23, 2022

276

Graphing

How many vertical asymptotes does the graph of y = (x + 1)/(x^2 + 7x - 30) have?

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Guest Apr 23, 2022

185

Algebra

Let p and q be the two distinct solutions to the equation x^2 - 2x - 13 = 0. What is (p+1)(q+1)?

Guest Apr 23, 2022

285

coordinates

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

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Guest Apr 23, 2022

182

need help

Find the value of x.

Guest Apr 23, 2022

337

Trapezoid

Find the perimeter of the trapezoid below.

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Guest Apr 23, 2022

304

+38

please help.

The figure is make up of 3 circles. The small circle has centre O and a radius of 6 cm. The big circle, has centre O and a radius of 10 cm. The diameter of the big circle cuts through the centre read more ..

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appleboi1u Apr 23, 2022

164

help Algebra

state the value of c so it is a perfect square trinomial. the equation is 4x^2-24x+c.

Guest Apr 23, 2022

286

Algebra

Find all A and B such that (2x + 7)/(x^2 - 8x + 15) = A/(x - 3) + B/(x - 5) for all x besides 3 and 5. Express your answer as an ordered pair in the form (A, B).

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Guest Apr 23, 2022

327

+33

MaThEmAtIcs

Abul, Bea and Charley each have some flowers. Abul has 20% more than Bea. Charley has 1/2 the number of flowers Abul has. Charley sells 1/2 of her flowers and then has 60 left. How many flowers did they have in total to start with?

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jurtosun Apr 23, 2022

285

HELP

A breakfast cereal is sold in 3 sized boxes, micro, standard and large. A store has 444 boxes of cereal in total. The ratio of the number of micro boxes to standard boxes is 3:1. In one day the store sells 60% of the micro boxes, 25% of the large read more ..

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Guest Apr 23, 2022

278

geometry

As shown in the diagram . Let be read more ..

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Guest Apr 23, 2022

223

pls help

is the incenter of . We read more ..

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Guest Apr 23, 2022

290

2x2+2+3x3+3-2x8+10

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Guest Apr 23, 2022

237

sets

Let S = 1, 2, · · · , 100. X is a subset of S such that no two distinct elements in X
multiply to an element in X. Find the maximum number of elements of X.

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Guest Apr 23, 2022

293

The intersection of the planes 8x + y - 12z = 35 and 6x + 7y - 9z = 70 is a line. Find the point where this line intersects the xy-plane.

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Guest Apr 23, 2022

285

help counting

You have 5 red shirts, 5 green shirts, 4 pairs of pants, 7 green hats and 9 red hats, all of which are distinct. How many outfits can you make consisting of one shirt, one pair of pants, and one hat without having the same color of shirts and hats? read more ..

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Guest Apr 23, 2022

264

Probability

A point P is randomly selected from the square region with vertices at (2,2), (2,0), (0,2), (0,0). What is the probability that P is within one unit of the origin? Express your answer as a common fraction in terms of pi.

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Guest Apr 23, 2022

All Questions ⁺⁰236350 Questions

help hard geometry

Geometry problem

help pls!

need help with this

Algebra problem

I NEED HELP FAST

math problem

Graphing

Algebra

coordinates

need help

Trapezoid

please help.

help Algebra

Algebra

MaThEmAtIcs

HELP

geometry

pls help

2x2+2+3x3+3-2x8+10

sets

The intersection of the planes 8x + y - 12z = 35 and 6x + 7y - 9z = 70 is a line. Find the point where this line intersects the xy-plane.

help counting

Probability

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