Questions by Dave Hirschfeld

Questions by Dave Hirschfeld

Find the points on y = x³ + 6x² - 15x + 1 at which the gradient is zero.

asked Aug 10, 2023

1 answer

0 votes

154k views

I need help with questions 8I’m a survey, customers selected item A or item B. Item A is selected by 20 males and 10 females. Of 20 customers who select item B, Five are males and 15 are females”

asked Jun 11, 2023

1 answer

4 votes

186k views

A jeweler is determining the optical properties of an unknown blue gemstone. She uses an angle of incidence of 62°, and measures an angle of refraction of 30°. Assuming the index of refraction of air is

asked May 6, 2023

1 answer

1 vote

27.6k views

6Li + N2 → 2Li3N chemical word equation

asked Mar 12, 2023

1 answer

16 votes

227k views

Simplify......................... √(50) * √(20) * √(100)

asked Feb 17, 2023

1 answer

21 votes

233k views

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number of the hydrogen atom is 4, there will be how many permitted orbital magnetic quantum numbers will be:_______

asked Dec 14, 2022

1 answer

1 vote

99.4k views

Who is the greatest U.S. President?

asked Nov 15, 2022

1 answer

5 votes

214k views

2x3x5 is equivalent to which number below

asked Aug 27, 2022

1 answer

5 votes

114k views

Sydney has finished all his work on time, but many of his teammates are still struggling to complete their assignments. What should he do? a) Not distract them; they may get farther behind. O b) Listen

asked Aug 5, 2022

2 answers

0 votes

37.2k views

Jon has to pay $5.00 admission for the skating rink and $2.50 per hour to rent rollerblades. How many hours can he skate for $15?

asked Mar 17, 2022

2 answers

3 votes

127k views

Please help this is worth 15 points!

asked Feb 17, 2022

1 answer

5 votes

53.6k views

Crane Company has a unit selling price of $500, variable costs per unit of $260, and fixed costs of $184,800. Compute the break-even point in units using (a) the mathematical equation and (b) unit contribution

asked Dec 28, 2021

1 answer

4 votes

202k views

What is the area of 30 cm 30 cm 26 cm of a triangle

asked Nov 24, 2021

1 answer

0 votes

186k views

does choosing a blue marble represent the compliment event of choosing a red marble? explain. (there are 2 blue, 1 red, and two purple)

asked Oct 19, 2021

2 answers

2 votes

169k views

Consider the region bounded by the curves y=x2 and y=9. Find the volume of the solid formed when this region is rotated around the x-axis.

asked Jun 28, 2021

1 answer

0 votes

154k views

Helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

asked Apr 24, 2021

2 answers

2 votes

61.0k views

A rectangular storage container with an open top has a volume of 14 m3. The length of its base is twice its width. Material for the base costs $5 per square meter; material for the sides costs $4 per square

asked Jun 28, 2020

1 answer

0 votes

122k views

The effort of Ezekiel's ministry was to bring the people in exile back to the God of the covenant. true or false

asked Jun 4, 2020

1 answer

0 votes

62.6k views

The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 11.11 grams of nickel(II) iodide, NiI2 (312.5 g/mol), in 272.7 grams of water. What is the molality of the solution and boiling

asked Apr 22, 2020

1 answer

1 vote

198k views

When lichens grow on bare rock, they may eventually accumulate enough organic material around them to supply the foothold for later rooted vegetation. These early pioneering lichens can be said to do what

asked Mar 6, 2020

1 answer

2 votes

66.8k views

Page:

Search QAmmunity.org