Recent activity by Xu Hui

Recent activity by Xu Hui

Can someone help me please

asked Nov 18, 2023

2 answers 115k views

A test is made of H0 : μ = 47 versus H1 : μ > 47. A sample of size n=69 is drawn, and x=48. The population standard deviation is σ=27. Compute the value of the test statistic z.

asked Nov 17, 2023

1 answer 341k views

Evaluate a + b for a = 2 and b = 3.

asked Nov 3, 2023

1 answer 200k views

pure acid is to be added to a 20% acid solution to obtain 52L of a 40% acid solution.What amounts of each should be used?

answered Oct 28, 2023

1 answer 216k views

Given two similar triangles, what would you need to know to find an unknown length? How would you find that unknown length?

asked Aug 2, 2023

2 answers 498k views

Charlie the snail is climbing up the Finley middle school flagpole. He climbs 10 inches in 10 minutes and then rests for 2 minutes. He continued at the same rate, climbing for 10 minutes and resting for

asked Apr 14, 2023

1 answer 451k views

The value of an algebraic expression depends on the value of each variable in the expression. In other words, the value of an algebraic expression _______ for different values of the _______.

answered Feb 22, 2023

1 answer 394k views

If you are contracting and relaxing your masseter muscle, what would you probably be doing?

asked Jan 25, 2023

1 answer 373k views

What are the two most important industries of the islands?

asked Dec 22, 2022

1 answer 458k views

Helppp! asap! plsssss:)!

asked Nov 16, 2022

1 answer 450k views

Read the following sentence and identify its type. The Executive Article, or Article II, of the Constitution grants executive power to the President of the United States.

asked Nov 13, 2022

1 answer 34.5k views

Help asp What is the balanced chemical equation for the below skeleton equation: Al + O2 → Al2 O3

asked Oct 18, 2022

1 answer 451k views

Someone give the appropriate form of verbs indicated

asked Jun 27, 2022

1 answer 87.9k views

Someone plz help me :(

asked Apr 7, 2022

1 answer 110k views

A figure has vertices at (-3,5), (-1,8), (1,5), (1,1), (-1,-2) and (-3,1). What is the correct name of this figure?

asked Feb 4, 2022

1 answer 385k views

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