Recent activity by John Zeng

Recent activity by John Zeng

Mandelic acid has a specific rotation of -158 degrees. What would be the specific rotation of a solution containing 40% (-) mandelic acid and 60% (+) mandelic acid?

answered Nov 17, 2024

1 answer 223k views

GIVE SIMPLE WORKING OUT PLS:)

asked Aug 2, 2024

1 answer 169k views

For each time interval, decide if the average rate of change is positive, negative, or zero: select the correct choice for each interval.

answered Jul 16, 2024

1 answer 226k views

An audit procedure that compares the name, amount, and dates shown on remittance advices with cash receipts journal entries and with related duplicate deposit slips would be effective in detecting A) kiting.

answered Apr 30, 2024

1 answer 28.2k views

What kind of reasoning is used in the following example? Whales are mammals. A beluga is a type of whale. Therefore, a beluga is a mammal.

answered Mar 24, 2024

2 answers 16.5k views

Which of the following notations correctly describe the end behavior of the polynomial graphed below?

answered Feb 22, 2024

1 answer 127k views

Walking sticks and parasols are examples of 1) line, shape, and silhouette. 2) color. 3) fabric. 4) accessories.

answered Jan 17, 2024

1 answer 160k views

An example of homeostasis includes maintaining: A) oxygen level (breathing) B) body temperature C) heart rate D) all of these

asked Dec 19, 2023

1 answer 190k views

Solve number 11 pls

asked Dec 8, 2023

1 answer 198k views

Which of the following fraction pairs is equivalent? 12/20 and 20/25 18/27 and 10/15 6/24 and 5/15 3/25 and 5/25

asked Sep 22, 2023

2 answers 158k views

The opening graph in the video shows the measured relative abundances of elements in the galaxy. What is the 4th most abundant element?.

asked Sep 2, 2023

2 answers 206k views

The standard weight of copper tubing used most frequently in the heating and air-conditioning industry is

answered Jun 16, 2023

1 answer 171k views

Simplify and Show your work

answered May 12, 2023

1 answer 56.8k views

I dont know how to do this. what is the surface?

asked Apr 21, 2023

1 answer 85.1k views

What's the domain of f(x)=log(5x+10)+3?

answered Mar 14, 2023

1 answer 88.6k views

Sentence example with supply

asked Feb 22, 2023

1 answer 166k views

Please answer the whole sheet and number your answers, thanks so much!!

answered Dec 30, 2022

2 answers 220k views

Need help practice problem please

asked Dec 7, 2022

1 answer 124k views

MADRE Hija. ¿compraste el jabón y la pasta dental? MÓNICA: Ay, no 12 Symbols compré, mamá. Se me olvido.

answered Nov 20, 2022

1 answer 42.3k views

Use the long division method to find the result when 4x^4+20x^3+27x^2−2x−10 is divided by 4x ^2-1

asked Nov 12, 2022

1 answer 229k views

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