Recent activity by Ray Oei

Recent activity by Ray Oei

Balance the following equation MnO2(s) + HCI(aq) = Cl2(g) + MnCl2(aq) + H2O(I)

answered Nov 4, 2023

1 answer 20.8k views

Please, need help FASTTTT!!!

answered Oct 17, 2023

1 answer 206k views

Carlos is building a fence around a rectangular area which will cover a maximum of 42 square feet. The length of the fence will be 6 feet. Which inequality represents all the possible widths in feet, w,

asked Jul 6, 2023

1 answer 31.0k views

In 2015, a town had a population of 80,000. It then declined at a rate of 4% per year. What was the town's population in 2018?

answered Jul 5, 2023

1 answer 109k views

An analysis of regression measures only the variance in ____ because it is the value we want to predict.

answered Jun 13, 2023

1 answer 123k views

Can someone help me( questions and answer options in the pictures)

answered Jun 10, 2023

1 answer 69.2k views

1. what is gliding joint?

answered Apr 23, 2023

2 answers 14.7k views

Part 1 of 3A pizza pan is removed at 7:00 PM from an oven whose temperature is fixed at 450°F into a room that is a constant 71°F. After 5 minutes, the pizza pan is at 300°F.(a) At what time is the temperature

asked Feb 22, 2023

1 answer 125k views

Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc she needs? A. 1000 ÷ 3000 B. 1000 × 3000 C. 3000 ÷ 1000 D. 3000 × 100

answered Nov 15, 2022

2 answers 36.2k views

El clima de invierno es perfecto para ir a ______________.

answered Oct 23, 2022

2 answers 37.9k views

Can anyone answer this ?

answered Oct 19, 2022

1 answer 97.8k views

2. Celesta used to spend 90 minutes a day on the phone. Now she spends 60 minutes a day. What is the PERCENT DECREASE? *

asked Sep 4, 2022

1 answer 224k views

What parts of American society is Hughes critical of?

answered Aug 23, 2022

1 answer 74.7k views

(Print distinct numbers) Write a program that reads in integers separated by a space in one line and displays distinct numbers in their input order and separated by exactly one space (i.e., if a number

answered Aug 21, 2022

1 answer 133k views

Which equation represents the same line as the points in the table

answered Aug 15, 2022

2 answers 209k views

What percent of 75 is 15 rebember to wright answer in percent form

answered Jul 6, 2022

2 answers 12.6k views

HURRYYYY PLEASE HELP ME I NEED IT RIGHT NOW! Define groundwater and explain how it relates to the terms water table, aquifer, and confined aquifer.

asked May 22, 2022

1 answer 14.9k views

Tan Part A What is the measure, in degrees, of ZPTR? Enter your answer in the bo

asked May 5, 2022

1 answer 168k views

A rectangular field is built next to a house and is enclosed by 400 m of fencing for the 3 remaining sides. Determine the dimensions of the field to maximize the area to nearest tenth of a metre.

asked Apr 7, 2022

1 answer 122k views

How was Persian coinage sophisticated? a. It was made out of gold. b. It was the first examples of relief in metal. c. The amount of gold in each coin was measured exactly. d. Each coin had a different

asked Mar 14, 2022

2 answers 134k views

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