Questions by Sam Lu

Questions by Sam Lu

Use the definition of continuity and the properties of limits to show that the function k(x)= √8−x2 2x2−5 is continuous at x = -2

asked Aug 5, 2023

1 answer

11 votes

5.1k views

The crime scene investigation team arrives at a car crash scene and finds that both the drivers are taken away in an ambulance and there are no eyewitnesses. The investigation team needs to determine how

asked Jan 12, 2023

1 answer

1 vote

232k views

12. Generalmente nosotros __ (hablar) con Mario 13. Estate semana la profesora nos __ (hacker) muchas preguntas

asked Dec 15, 2022

1 answer

16 votes

207k views

Where were the girls heading when the car broke down? in the movie *hidden figures*

asked Jun 21, 2022

1 answer

11 votes

129k views

Paul took a 140 mile trip on his motorcycle. If he drove 60% of his trip on the first day, how many miles did Paul drive on day one? Answer value

asked May 17, 2022

2 answers

5 votes

156k views

Graph the image of AUVW after a translation 11 units left and 3 units down.

asked May 2, 2022

1 answer

1 vote

20.5k views

I need help on distributive property please

asked Jan 17, 2022

1 answer

1 vote

224k views

Jack spent $6.34 on haircut. $35.70 on groceries and $18.77 on a cake. How much money has he left, if he had $88.76 to start with?

asked Jul 26, 2021

1 answer

5 votes

222k views

The formula for the volume of a cylinder is V = 2trh. Solve the formula for h.

asked May 20, 2021

1 answer

5 votes

205k views

A family eats dinner and the cost of the meal totals $50, before tax. The tax rate is 10% They also want to tip 20% of the bill, including tax. How much do they pay in all? $65.00 $88.00 $66.00 $55.00

asked May 6, 2021

2 answers

3 votes

99.8k views

During World War II, which change in wealth occurred? O A. The rich got richer and the poor got poorer. O B. Income dropped 32% for the wealthiest, but just 5% for the middle class. O C. The poor got richer

asked Feb 8, 2021

1 answer

1 vote

75.9k views

Which country is most likely to have large oil and natural gas reserves? Why?

asked Jan 28, 2021

1 answer

1 vote

182k views

The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100. Using the empirical rule, what is the probability

asked Jan 5, 2021

1 answer

0 votes

29.3k views

Ashley’s math average decreased 12 points to 78. Then she completed an extra credit assignment and raised her final average by 5 points. Write an equation to show how Ashley’s average changed.

asked Jan 1, 2021

1 answer

4 votes

24.7k views

What movement helped fuel democratic revolutions around the world during the 18th Century? Question 2 options: A.The Industrial Revolution B.The Enlightenment C.The Reformation D.The Renaissance

asked Dec 10, 2020

1 answer

1 vote

27.6k views

What is the answer to this? I need your help!! 10 points

asked Dec 7, 2020

1 answer

1 vote

153k views

The senate differs from the House of Representatives by_____. Select all that apply

asked Nov 21, 2020

2 answers

3 votes

114k views

A slingshot can project a pebble at a speed as high as 38.0 m/s. (a) If air resistance can be ignored, how high (in m) would a pebble launched at this speed rise if projected straight up?

asked Sep 13, 2020

1 answer

3 votes

149k views

For each value of y, determine whether it is a solution to 7=y÷4.

asked May 21, 2020

1 answer

1 vote

43.3k views

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