All Questions ⁺⁰192812 Questions

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73

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Some math counts practice problems(any hints appreciated!)

1.What is the sum of the 3rd triangular, 4th square, 5th pentagonal, 6th hexagonal, 7th heptagonal and 8th octagonal numbers?
2.What is the sum of the 3rd triangular, 4th square, 5th pentagonal, 6th hexagonal, 7th heptagonal and 8th octagonal numbers? read more ..

Guest Jan 23, 2021

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85

1

If ABCED is congruent to GHKJL, but no diagram is provided.

If ABCED is congruent to GHKJL, but no diagram is provided.
BUT this is the information given to find the length of segment GH??? PLEASE HELP AGAIN!
BC= -3+11
JL= -5x-24 read more ..

Guest Jan 23, 2021

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65

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Please help

How do I find the constant of proportionality when y is inversely proportional to x^2 when y is 8 and x is 32?

Guest Jan 23, 2021

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86

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help please

In the figure, $AB = 12$, $FE = 8$, $BC = CD = DE = 3$, $AB\perp BE$, $FE\perp BE$,
Then find the area of $\Delta GCD$.

read more ..

Guest Jan 23, 2021

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96

1

+8

If Triangle ADC is congruent to Triangle BDC, then the measure of angle BCD= what degrees?

If Triangle ADC is congruent to Triangle BDC, then the measure of angle BCD= what degrees?
Angle A= (56-3a)
Angle D= 107
Angle B= (8a+1) read more ..

lastkings856 Jan 23, 2021

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76

5

proportion

Suppose s and t are directly proportional. If s=14 when t=18, what is s when t=7?

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Guest Jan 23, 2021

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80

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PLEASE HELP

what is the inverse of the function f(x)=2/3x^3-1
the options are
g(x)=^3√6x-6 /2
g(x)=^3√12x+12/2 read more ..

Guest Jan 23, 2021

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65

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PLEASE HELPPPPP

Which function is the inverse of f(x)=2/3x^3-1?

Guest Jan 23, 2021

Jan 22, 2021

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90

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+272

A bunch of Speed problems (pls help)

1. Sophia and Melody were biking together. along a straight bikeway from two positions.At one point Sophia stopped to rest, while Melody continued to bike. Sophia resumed biking again but at a faster pace of 22 miles per hour, while Melody continued at read more ..

Potatobird Jan 22, 2021

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95

2

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h?

Guest Jan 22, 2021

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63

1

help with quadratic

Complete the square 4x^2 + 15x + 2 .

Enter your answer in the form a(x + u)^2 + v, where a, u, and v are replaced by numbers.

Guest Jan 22, 2021

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88

1

+60

weird function problem

If f(x)= -1/x , what is f(f(f(f(f(6)))))?

ddocm Jan 22, 2021

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59

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Math

What is the ratio of the area of a regular hexagon to the area of the hexagon which uses the midpoints of the first hexagon's sides as its vertices? Express your answer as a common fraction.

Guest Jan 22, 2021

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52

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Completing the Square help asap

The quadratic 3x^2-24x+72 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

Guest Jan 22, 2021

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48

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help please

Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both of its coordinates are integers). How many times does he label a point with the number 65? read more ..

Guest Jan 22, 2021

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54

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ordered pair

One ordered pair (a,b) satisfies the two equations ab^4 = 384 and ab^5 = 4608. What is the value of a in this ordered pair?

Guest Jan 22, 2021

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86

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precalc

In triangle ABC show above, cos B = 6/10. What is tan C?

Guest Jan 22, 2021

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77

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help i need this

Alex has 10 different kinds of lunch meat and 8 different kinds of cheese. If he wants to make a sandwich with one kind of meat and two kinds of cheese, how many different sandwiches could he make? (It does not matter in which order he chooses the two types read more ..

Guest Jan 22, 2021

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72

1

please help

Complete the square x^2 + 12x + 9

Enter your answer in the form a(x + u)^2 + v, where a, u, and v are replaced by numbers.

Guest Jan 22, 2021

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84

1

Solve the following equation for x.

. Solve the following equation for x. 6(𝑥 + 2) = 6𝑥 + 2

Guest Jan 22, 2021

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66

1

algebra

Given two real numbers p and q such that 1/p + 1/q = 1 and pq = 9, what is p + q?

Guest Jan 22, 2021

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91

4

+267

if the area of right triangle ABC is 4, and the hypotenuse $\overline{AB}$ is 12, then what is 2A?

if the area of right triangle ABC is 4, and the hypotenuse $\overline{AB}$ is 12, then what is 2A?

KitSoundwave Jan 22, 2021

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91

1

inequality

Solve 1/3*t - 5 < t - 2. Give your answer as an interval.

Guest Jan 22, 2021

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67

0

Please Help

The moon orbits the earth with a tangential velocity of 1,022 m/s, and the orbital radius of the moon around the earth is 3.85 x 108 m. The mass of the moon is 7.35 x 1022 kg. Calculate the net force acting on the moon?

Guest Jan 22, 2021

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174

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Help please!!

A toy factory designed a new container in the shape of a rectangular prism that is 20 centimeters tall with base dimensions of 4 centimeters by 8 centimeters. What is the volume of the new container, in cubic centimeters?

Guest Jan 22, 2021

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