All Questions

674

+130

Geometry

∆ ABC has angle bisectors AK and BM such that AK=BM=AB. Find all angle measures of ∆ ABC, in degrees.

TY read more ..

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HelpPls123abc Jan 6, 2021

781

+130

Geometry

One of the exterior angles of an isosceles triangle is 80 degrees. Find the angle between the base of the triangle and the altitude drawn to one of the legs.

TY

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HelpPls123abc Jan 6, 2021

466

counting

The Rotokas of Papua New Guinea have twelve letters in their alphabet. The letters are: A, E, G, I, K, O, P, R, S, T, U, and V. Suppose license plates of five letters utilize only the letters in the Rotoka alphabet. How many license plates of five letters read more ..

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Guest Jan 6, 2021

525

smallest prime divisor

What is the smallest prime divisor of 5^23 + 2^23?

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Guest Jan 6, 2021

570

+82

HELP PLZZZZZz

Turtles can live a long time. This stem-and-leaf plot shows the ages (in years) of the turtles in the reptile house of the Kalamazoo Zoo. A box turtle and a map turtle escape from the reptile house of the Kalamazoo Zoo. The box turtle is older than read more ..

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Leafie Jan 6, 2021

458

quadratic

The quadratic x^2 - 6x + 60 can be written in the form (x + b)^2 + c, where b and c are constants. What is b + c?

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Guest Jan 6, 2021

1551

please help math question

A circle has a radius of 48 millimeters. What is the length of the arc intercepted by a central angle that measures 3π4 radians? Express the answer in terms of π .

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Guest Jan 6, 2021

449

number theory

How many integers n, with 2≤n≤80, is ((n-1(n)(n+1))/6 equal to an integer?

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Guest Jan 6, 2021

467

Probability with States

I am rolling a die, and I must roll a before I roll even numbers(don't have to be different). What is the probability this happens?
Thanks!

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Guest Jan 6, 2021

544

+21

Help pls

For z = -3 + 5i, evaluate
Note: denotes the conjugate of z.

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needshelp Jan 6, 2021

352

polynomial

The polynomial f(x) satifies the equation f(x)-f(x-2)=5x+1 for all x. If p and q are the coefficients of x^2 and x respectively, in f (x), then what is the value of p+q?

Guest Jan 6, 2021

345

function

If f(x) = a+bx, what are the real values of a and b such that f(f(f(1))) = 14 and f(f(f(0))) = -13.

Guest Jan 6, 2021

500

help choose

How many distinct triangles can be formed by selecting three vertices of a regular hexagon? (Triangles with different vertices are considered distinct even if they are congruent.)

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Guest Jan 6, 2021

441

−|−42|=

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Guest Jan 6, 2021

661

+1443

Please help with an Algebra 2 Question. Maybe if you could answer in picture form or just explain it, I could understand.

The area of a rectangle is 70ft^2. The length is 3 more than the width. Find the dimensions of the rectangle (width and length in feet).

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SmartMathMan Jan 6, 2021

540

+55

Summations & Square roots.

Is there also a general way of solving summations like ? Like is there a proof of some sort, a formula, a strategy?

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mobro Jan 6, 2021

556

Problem

Today I am twice as old as my little brother and five years younger than my sister. In 5 years, my older sister will be twice as old as my little brother. In 7 years, I will be ¾ as old as my sister. How old did Shamique turn on her birthday? How old is read more ..

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Guest Jan 6, 2021

534

number theory

Suppose that a and b are integers such that 3b = 8 - 2a. How many of the first six positive integers must be divisors of 2b + 30?

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Guest Jan 6, 2021

595

What is the tenth term in the geometric sequence

What is the tenth term in the geometric sequence 9, 3/2, 1/4, ...?

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Guest Jan 6, 2021

797

geometric sequence

Consider the geometric sequence 3, 3/2, 3/4, 3/8, ... . Find the eighth term of the sequence. Express your answer as a common fraction.

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Guest Jan 6, 2021

475

geometric series

An infinite geometric series has common ratio 1/8 and sum 80. What is the first term of the series?

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Guest Jan 6, 2021

559

+36

Please help quick

i got 36pi but it was wrong.

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Cloud Jan 6, 2021

-1

640

+240

A department store offers two promotions

A department store offers two promotions. Promotion A says, "Buy one pair of shoes, get the second pair for half the price." Promotion B says, "Buy one pair of shoes, get off the second pair." Jane wants to buy two pairs of shoes that cost each. She can read more ..

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DewdropDancer Jan 6, 2021

513

geometric sequence

Find the fifth term of the geometric sequence with first term 2 and second term 1/7.

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Guest Jan 6, 2021

696

geometric sequence

Find the sum of the first six terms of the geometric sequence 1/2, 1/6, 1/18, ... Express your answer as a common fraction.

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Guest Jan 6, 2021

All Questions ⁺⁰237641 Questions

Geometry

Geometry

counting

smallest prime divisor

HELP PLZZZZZz

quadratic

please help math question

number theory

Probability with States

Help pls

polynomial

function

help choose

−|−42|=

Please help with an Algebra 2 Question. Maybe if you could answer in picture form or just explain it, I could understand.

Summations & Square roots.

Problem

number theory

What is the tenth term in the geometric sequence

geometric sequence

geometric series

Please help quick

A department store offers two promotions

geometric sequence

geometric sequence

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