Recent activity by Chao Xu

Recent activity by Chao Xu

Find the missing angle for the irregular polygon. show your work.

answered Nov 16, 2023

1 answer 199k views

using dimensional analysis in Chemistry Grade 11, please help me solve the following problem:Popcorn kernels are sold by the pound. If the average mass of one kernel is 125 mg, how many kernels are in

asked Sep 16, 2023

1 answer 121k views

HELP QUICK!! An item on sale costs 35% of the original price. If the original price was $60, what is the sale price?

answered Sep 15, 2023

1 answer 221k views

Which expression represents the algebraic phrase “the sum of negative three-eighths and four times x minus nine times z”? Negative 9 z (Negative StartFraction 3 over 8 EndFraction + 4 x) Negative StartFraction

asked Aug 24, 2023

1 answer 168k views

Where is it thought that Native Americans previously came from?

answered Jun 27, 2023

2 answers 19.9k views

PLEASE HELP ASAP prove the identity: sec x sin x —————— =sin^2x tan x+cot x Options in pic

asked Apr 27, 2023

1 answer 186k views

PLEASE AWNSER! 100POINTSSS

answered Apr 24, 2023

2 answers 5.3k views

In right triangle ABC, angle c is a right angle and sin A= sin B. What is m

asked Apr 2, 2023

1 answer 59.5k views

Why did the holyman disappear after the first meeting with the king?

answered Mar 11, 2023

1 answer 68.8k views

Were Japanese American minorities treated fairly or unfairly during world war II?

asked Jan 27, 2023

2 answers 89.1k views

Rico has 2 plants. He buys 13 more. If he puts 3 plants in each row, how many rows will he have?

answered Dec 3, 2022

1 answer 178k views

The blue lines on this map are pointing to what river

asked Oct 26, 2022

2 answers 582 views

Mike went on a vacation to ohio.When he went home the odemeter read 7,219.4 miles.When he returned home the odemeter read 8,192.6 miles.How many miles did mike travel?

answered Sep 28, 2022

1 answer 176k views

A company distributes candies in bags labeled 23.6 ounces. The local bureau of weights and Measures randomly selects 60 bags of candies and obtain a sample mean of 24 ounces . Assuming that the standard

answered Aug 26, 2022

1 answer 144k views

What is j in -2 + 9j = 10j + 8

answered Aug 14, 2022

2 answers 164k views

Which is a NOT a freshwater source on Earth? A. The ocean B. The atmosphere C. Surface water D. Groundwater

answered Aug 8, 2022

1 answer 200k views

How was Towan Head formed?

asked Aug 2, 2022

2 answers 163k views

If it is known that a motor battery has an input voltage of 12V and a capacity of 6 Ah, how much power and resistor value is required to turn on 8 lamps with a parallel circuit, with the specifications

asked Jun 26, 2022

1 answer 156k views

Pangolins are mammals, although they look like reptiles. With their scaly protective skin, pangolins can roll into a tight ball to confuse and deter predators. Pangolins are mostly noctural, only coming

asked May 18, 2022

2 answers 195k views

What is 98×63-32×69=

answered May 8, 2022

2 answers 13.4k views

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