All Questions ⁺⁰184521 Questions

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quadratic

The quadratic 2x^2 - 6x + 8 can be written in the form a(x + b)^2 + c, where a, b, c and are constants. What is a + b + c?

Guest Nov 22, 2020

+2

82

2

+27

Please help as soon as possible. Thanks! :D

Find a polynomial such that has degree less than .

pleasehelpmequickthx Nov 22, 2020

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85

1

+201

Help

Attachment below...

parpar1 Nov 22, 2020

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64

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+133

Logic problem

Image attached

MELODY IS CATCHING UP TO CPHILL

BWStar Nov 22, 2020

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71

2

quadratic

For what value of m does the equation (x + 4)(x + 1) = m + 3x have exactly one real solution?

Guest Nov 22, 2020

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61

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Physics Problems, I need help!

A 7kg model airplane is banking in order to fly in a circle. The wings are generating a lift force "L" as shown. Assume the plane is maintaining a constant altitude and flying with a constant speed of 18m/s.

1. What is the read more ..

Guest Nov 22, 2020

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81

1

+201

Biased or Reliable?

Is each sample biased or reliable? Justify your answer.

parpar1 Nov 22, 2020

Nov 21, 2020

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68

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minimum

Among all pairs of numbers (x,y) such that 3x+y=15, find the minimum of x^2 + y^2.

Guest Nov 21, 2020

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45

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probability

Kris wants to put six plants in a row on his windowsill. He randomly chooses each plant to be a mint plant, a basil plant, or a rose. What is the probability that either exactly four of the plants are mint plants or exactly five of the plants are basil read more ..

Guest Nov 21, 2020

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97

3

Find the area of triangle OBC .

In triangle ABC , AB= AC=5 and BC=7. Let O be the circumcenter of triangle ABC. Find the area of triangle OBC .

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Guest Nov 21, 2020

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98

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+201

DATA

parpar1 Nov 21, 2020

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74

1

An equilateral triangle has an area of 64sqrt3 cm^2 .

An equilateral triangle has an area of 64sqrt3 cm^2 . If each side of the triangle is decreased by 2 cm, by how many square centimeters is the area decreased?

Guest Nov 21, 2020

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58

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Line p

Line p passes through points (-1, 2) and (-3, -5). What is the slope of a line perpendicular to p

Guest Nov 21, 2020

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64

1

Altitudes AX and BY of acute triangle ABC intersect at H

Altitudes AX and BY of acute triangle ABC intersect at H. If angle AHB=142, then what is angle ACB?

Guest Nov 21, 2020

0

74

1

please help asap pt. 2

one question was left unanswered, and im afraid its going to get buried. anyways, here!

Enter the letters of the points that satisfy the inequalities
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Guest Nov 21, 2020

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99

4

+65

Pls help thx

The diagonal of a rectangle and the diagonal of a square have the same length. The diagonal of the rectangle forms a $60^\circ$ angle with one of its sides. $R$ is the ratio of the area of the rectangle to that of the square. Find $R^2.$ read more ..

AaronWang2004 Nov 21, 2020

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62

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perpendicular bisector

The graph of the line x + y = b is a perpendicular bisector of the line segment from (1,3) to (7,9). What is the value of b?

Guest Nov 21, 2020

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62

1

Finding the speed of airplanes based on the route

Two airplanes are 1000 miles apart on routes that intersect at right angles. One plane flies 100 miles an hour faster than the other. What are their rates if each reaches the intersection in 2 hours?

Guest Nov 21, 2020

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44

2

please help asap

1. Enter the letters of the points that satisfy the inequality

2. Enter the letters of the points that read more ..

Guest Nov 21, 2020

0

60

1

triangle XYZ

In triangle XYZ, XY = 20, YZ = 15 and XZ = 25. Y is reflected over XZ to Y'. Z is reflected over XY to Z'. Find Y'Z'.

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Guest Nov 21, 2020

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60

1

What is the sum of all positive integers that have twice as many digits

What is the sum of all positive integers that have twice as many digits when written in base 2 as they have when written in base 4? Express your answer in base 10.

Guest Nov 21, 2020

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42

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how many lattice points

If x >= 0 and y >= 0, how many lattice points does the line y = -2x + 78 pass through? (A lattice point is a point with integer coordinates.)

Guest Nov 21, 2020

0

81

1

+201

Discrete, Continuous, or Qualitative?

Discrete, Continuous, or Qualitative

parpar1 Nov 21, 2020

0

94

1

+65

Pls help thx

In quadrilateral $ABCD,$ $\angle A=75^\circ,\angle B=90^\circ,\angle C=105^\circ,$ and $AB=BC=3\sqrt 2.$ Find $CD.$

AaronWang2004 Nov 21, 2020

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