Answers by HongyanShen

Answers by HongyanShen

An engineer has designed a value that will regulate water pressure on an automobile engine. The valve was tested on 120 engines and the mean pressure was 4.6 pounds/square inch. Assume the variance is

answered Oct 29, 2023

28 votes

334k views

\displaystyle \rm \int_{1 - √(\pi x) \large \frac{ {d}^{ {1/2 }} }{ {dx}^(1/2) } \small(1) }^{ \sum \limits_(n = 1)^ \infty \frac{4}{4 {n}^(2) - 1 } } \frac{arctan( (2 - x)/(1 + 2x)) }{ {x}^(2) - 4x -

answered Oct 16, 2023

19 votes

263k views

Please I need this today

answered Aug 7, 2023

18 votes

325k views

Solve the system of equations using elimination-9y + 4x - 2 = 012x - 5y + 38 = 0

answered May 1, 2023

17 votes

465k views

To bring an end to excessive drinking, many women in the 1800s a. opposed the Shaker movement. b. supported the abolitionist movement. c. spoke against the revival movement. d. joined the temperance movement.

answered Apr 25, 2023

22 votes

117k views

The function f(x) = 5x - 4 is changed to f(x) = 5x + 3. What is the result?

answered Feb 8, 2023

9 votes

24.1k views

Write 1-2 paragraphs that explain what Lincoln and Douglas each believed about slavery. 25 points

answered Jan 5, 2023

25 votes

227k views

Solve Using the Quadratic Formula x2+2x - 40 = -8 -2x

answered Oct 9, 2022

19 votes

451k views

Narrow belts of winds (aka fast moving ribbons of air) at the top of the troposphere and the bottom of the stratosphere that can reach 400 km/h are called.. Question 7 options: jet streams convection streams

answered Jun 25, 2022

29 votes

277k views

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