All Questions ⁺⁰238062 Questions

0

754

1

help

triangle FGH is a right triangle with hypotenuse FH and GJ=GH. What is the measure of angle JGH? here is the following figure:

Guest Feb 15, 2020

0

613

0

help

An urn contains n white counters numbered 1 through n, n black counters numbered 1 through n, and n red counter numbered 1 through n. If two counters are to be drawn at random without replacement, what is the probability that both counters will be of the read more ..

Guest Feb 15, 2020

0

490

1

quick math question

A quadratic of the form -2x^2 + bx +c has roots of x = 3 + square root of 5 and x = 3 - square root of 5. The graph of y = -2x^2 + bx +c is a parabola. Find the vertex of this parabola.

Guest Feb 15, 2020

0

561

1

Help

Keddy has some hamsters.
5
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6 read more ..

Guest Feb 15, 2020

0

963

1

help

The length of the longer leg of a right triangle is 19 inches more than five times the length of the shorter leg. The length of the hypotenuse is 20 inches more than five times the length of the shorter leg. Find the side lengths of the triangle. read more ..

Guest Feb 15, 2020

0

480

1

help

Pedro is twice as old as moana. four years ago pedro was four times as old as moana. find their ages now

Guest Feb 15, 2020

0

856

1

A poker deck consists of cards ranked 2,3,4,5,6,7,8,9,10,J,Q,K,A, (13 different ranks) each in four suits, for a total of 52 distinct cards.

A poker deck consists of cards ranked 2,3,4,5,6,7,8,9,10,J,Q,K,A, (13 different ranks) each in four suits, for a total of 52 distinct cards. A pinochle deck consists of two copies each of cards ranked 9,10,J,Q,K,A, each in four suits, for a total of 48 read more ..

Guest Feb 15, 2020

0

479

0

help

60 wedding guests are to be seated at 10 circular tables, each with 6 seats. Two seating arrangements are considered the same if the person to the left of each person is unchanged. How many seating arrangements are possible, and why?

Guest Feb 15, 2020

+2

2387

2

+308

In right triangle PQR, we have angle Q = angle R and PR = 6sqrt(2). What is the area of triangle PQR?

In right triangle PQR, we have angle Q = angle R and PR = 6sqrt(2). What is the area of triangle PQR?

notsmart2.0 Feb 15, 2020

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451

1

Probability that all numbers drawn are evwn

in a three ball lottery. The three balls are selected from a group of 11 balls(1-11) what is the probability that all drawn numbers are even if
a. Each ball drawn is replaced
b. Each ball drawn is not replaced

Guest Feb 15, 2020

+4

1200

4

+1072

Help Please!!!

The sum of the first $n$ terms of a certain sequence is $n(n + 1)(n + 2).$ Find the tenth term of the sequence.

SpongeBobRules24 Feb 15, 2020

+4

776

2

+1072

Help Please!!!

Simplify \[\frac{1}{1 + \sqrt{2}} + \frac{1}{\sqrt{2} + \sqrt{3}} + \frac{1}{\sqrt{3} + \sqrt{4}} + \dots + \frac{1}{\sqrt{99} + \sqrt{100}}.\]

SpongeBobRules24 Feb 15, 2020

Feb 14, 2020

0

510

1

help

In the diagram below, AC is the median of triangle ABD. Find the area of triangle ABD

Guest Feb 14, 2020

0

770

1

help

In the diagram below, ABCD is a parallelogram with AB=42 cm. Arc AD is a semi-circle. The area of the parallelogram is 504cm2, and angle ADC = 60 degrees. Find the area of the shaded region in cm2.

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Guest Feb 14, 2020

0

534

1

help

A circle passes through A and B, and its tangent to CD. Find its area, in cm^2.

Guest Feb 14, 2020

+5

787

4

+1072

HELP PLEASE!!!

Evaluate the sum $\dfrac{6}{3^2-1}+\dfrac{6}{5^2-1}+\dfrac{6}{7^2-1}+\dfrac{6}{9^2-1}+\cdots$.

SpongeBobRules24 Feb 14, 2020

0

1

821

8

geometry

Circles M & N (centered at points M and N respectively) are tangent to each other and to AC & BC. If the radius of the circle with center N is 5/(1+sqrt2) m, what is the radius of M, in meters?

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Guest Feb 14, 2020

0

693

1

1 question

https://prnt.sc/r2irrj

thank you

Guest Feb 14, 2020

0

593

3

help

How many four-letter words can be made from the letters "TOMORROW"?

Guest Feb 14, 2020

0

637

1

help!

Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 12?

Guest Feb 14, 2020

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