Questions by Andy Whitfield

Questions by Andy Whitfield

Can someone explain to me why the answer to [write equation using polar coordinates] 3x^2+3y^2=6y is 3r^2- 6rsin(theta)=0 (textbook answer)? Why not r-2sin(theta)=0? Is one more preferred and why?

asked Sep 13, 2020

1 answer

0 votes

235k views

During a storm, two teams of scientist leave a university at the same time in vans to search for tornadoes. The first team travels east at 20 miles per hour and the second travels west at 25 mph. If their

asked Aug 19, 2020

1 answer

5 votes

163k views

Which of the following promotes adolescents’ sense of identity, self-esteem, family cohesion, and resistance to substance use? a. Regular family meals b. Strict, no-nonsense parenting c. Having younger

asked Jul 20, 2020

1 answer

1 vote

24.0k views

(05.01 MC) New Zealand is a country in which only members of the legislature chooses the national, executive leaders. This is an example of which kind of government? Autocracy Federation Parliamentary

asked Jan 7, 2020

2 answers

5 votes

129k views

The sum of two numbers is 37. Their difference is 7. What are the numbers? Answers: 17 and 24 16 and 21 15 and 22 18 and 25

asked Aug 22, 2019

2 answers

2 votes

227k views

Consider the sequence of steps to solve the equation: x - 3 3 = x + 3 Step 1 ⇒ x - 3 = 3(x + 3) Step 2 ⇒ x - 3 = 3x + 9 Step 3 ⇒ x = 3x + 12 Step 4 ⇒ -2x = 12 Step 5 ⇒ x = -6 Identify the property of equality

asked Mar 16, 2019

2 answers

2 votes

159k views

F an element has the atomic mass ( a. of 80 and its atomic number (Z) is 35, how many neutrons does it have

asked Oct 13, 2018

1 answer

2 votes

102k views

Which of the following are soft-power implementations of foreign policy? Check all that apply. reducing tariffs economic sanctions negotiations providing aid military response

asked Apr 27, 2018

2 answers

1 vote

233k views

How many vertices does a cone have?explain.

asked Aug 23, 2017

1 answer

0 votes

148k views

Simplify. 14 – 6.2 ∙ (–3 + –7)

asked Apr 4, 2016

1 answer

2 votes

177k views

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