Questions by BStruthers

Questions by BStruthers

At what distance will a 45 W lightbulb have the same apparent brightness as a 130 W bulb viewed from a distance of 35 m ? (Assume that both bulbs convert electrical power to light with the same efficiency,

asked Jul 5, 2020

1 answer

0 votes

52.8k views

Find (2r+s)(r−3s) polynomials

asked May 23, 2020

1 answer

5 votes

19.3k views

When the equation H2S + HNO3 → S + NO + H2O is balanced, what is the coefficient for H2O? Question options: 4 6 3(incorrect) 2

asked Dec 27, 2019

2 answers

5 votes

198k views

Jillian was asked to translate the expression 9 + n into words. She wrote “a number increased by nine.” Which best describes the accuracy of Jillian’s answer? A. It is incorrect. The variable would come

asked Nov 3, 2019

2 answers

3 votes

40.1k views

How are the poems The Tyger and The Lamb alike in 5 sentences?

asked Oct 26, 2019

1 answer

3 votes

224k views

The mandate if heaven was affected by

asked Oct 14, 2019

1 answer

3 votes

98.6k views

Which Pilgrim dresses in red and blue? a)the plowman b)the doctor c)the merchant d)the knight

asked Oct 3, 2019

1 answer

3 votes

65.6k views

Which of these holds a galaxy together? A.disk B.gravity C.open clusters D.globular clusters

asked Apr 7, 2019

2 answers

1 vote

223k views

Can someone help with #28

asked Apr 6, 2019

1 answer

5 votes

133k views

PLEASE PLEASE PLEASE HELP!! Explanations on how to set it up would be great! thank you so so much in advance!! Please don't reply if you're unsure, I genuinely need help ///:

asked Dec 7, 2018

1 answer

2 votes

99.7k views

The closed form sum of $$12 \left[ 1^2 \cdot 2 + 2^2 \cdot 3 + \ldots + n^2 (n+1) \right]$$ for $n \geq 1$ is $n(n+1)(n+2)(an+b).$ find $an + b.$

asked Oct 13, 2018

1 answer

0 votes

35.3k views

How do you do these? A.) 3(x-2)=-6 B.) 2 (x+1)+3=3(x-1) C.) (x+2) (x+3)=(x+1)(x+5) D.) 1x-51=8

asked Jan 13, 2018

2 answers

0 votes

42.1k views

as the movement of molecules within a substance decreases, describe the change in heat of the subtance.

asked Dec 19, 2017

1 answer

1 vote

111k views

MATHS - 10 POINTS HCF/LCM thankyou!! A car’s service book states that the air filter must be replaced every 10,000 miles and the diesel fuel filter every 24,000 miles. At how many miles will they both

asked Dec 1, 2016

1 answer

3 votes

28.4k views

A sentence for active transport

asked Oct 21, 2016

1 answer

3 votes

47.3k views

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