Questions by ESRogs

Questions by ESRogs

let a = (a1, a2) and b = (b1, b2) and c = (c1,c2) be three non zero vectors. if a1b2 - a2b1 is not equal to 0. then show three are two scalars, α and ß, such that c = αa + ßb.

asked May 12, 2022

1 answer

5 votes

170k views

What is the result of subtracting the polynomial (X2 + 3x) from the polynomial (-2X + 4X2 +5)?

asked Dec 15, 2021

1 answer

5 votes

174k views

Which expression is equivalent to 2(x + 5) + 5x? a)2x + 10 b)7x + 5 c)7x + 10 D)10x + 5

asked Dec 5, 2021

2 answers

5 votes

158k views

Which describes a way that the Roman Catholic Church responded to the spread of Protestantism? a.The Roman Catholic Church accepted Protestants as equals. b.The Holy Roman Empire declared war on Protestant

asked Nov 16, 2021

2 answers

1 vote

198k views

A beam of ultraviolet radiation, with frequency of2.78x1015Hz is directed on a clean metalsurface. The work function of the metal is 3.80 eV.Calculate the maximum kinetic energy for an electron dislodged

asked Oct 4, 2021

1 answer

4 votes

177k views

In 1856, an antislavery group led by John Brown killed settlers at

asked Sep 6, 2021

2 answers

5 votes

38.8k views

Difference between behavioral approach and traditional approach

asked Jul 7, 2021

1 answer

1 vote

111k views

What are some strategies for dealing with a picky eater? Your childcare center director wants to offer children a bigger variety of foods?

asked May 3, 2021

1 answer

3 votes

132k views

1. Air contains mostly nitrogen (78%) and oxygen (21%). It also contains other gases, including carbon dioxide and helium, and various pollutants (both gases and solids). Write a brief explanation about

asked Feb 20, 2020

2 answers

3 votes

225k views

if an electromagnet is used to pick up nails and other metal objects, what happens when the current is turned off?

asked Sep 26, 2019

1 answer

2 votes

194k views

Weight Height 99 61 104 61 110 62 133 64 130 65 142 68 146 66 153 67 184 69 185 70 Use your calculator to find the equation of the regression line. Write the equation in y=ax+b form. Do not use any spaces.

asked Jun 22, 2019

1 answer

4 votes

202k views

Someone please help me with this

asked Nov 21, 2018

1 answer

3 votes

156k views

Solve the system. y = 2 - 6x 1/2y - x = 1 A) (0, 2) B) (2, 0) C) (0, 0) D) (0, -2)

asked Oct 20, 2018

1 answer

5 votes

210k views

The first Australians migrated from _____. Southeast Asia Great Britain Sydney Harbor the Urban Rim

asked Jun 15, 2018

1 answer

2 votes

83.4k views

What practice did the English nobility adopt from the Normans?

asked Apr 5, 2017

2 answers

0 votes

231k views

The Third Estate included approximately ninety-eight percent of the French population under the Old Regime. Which group was exclusively part of this estate?

asked Sep 21, 2016

1 answer

2 votes

177k views

What would happen to an organism if its heart cells stopoed working properly

asked Jul 27, 2016

1 answer

5 votes

23.8k views

The Idol has a mass of 2 kg how many liters of sand messy place on the pedestal to keep the mass sensitive booby trap from activating density of Sandy's 3.00 g per centimeter

asked Jan 27, 2016

1 answer

1 vote

205k views

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