Questions by Arvid

Questions by Arvid

Kx² 12x +9=0 find the value of K given that each equation has equal roots

asked Nov 16, 2023

1 answer

5 votes

91.3k views

Determine the oxidation numbers of all of the elements in the unbalanced reactions. Then, balance each redox reaction in basic solution. #1 Please!

asked Oct 9, 2023

1 answer

4 votes

176k views

Please help me. It’s not that hard I’m just in a rush and dont have time to do it myself

asked Jun 4, 2023

1 answer

5 votes

31.1k views

Researchers use what groups as dependent variable so that they can be certain of how experimental groups are responding

asked May 24, 2023

1 answer

16 votes

202k views

Find the surface area of the prism. 8 m 13 m 12 m 5 m The surface area is

asked Nov 21, 2022

1 answer

0 votes

233k views

FIND THE DIFFERENCE:(5a -7c)-(2a + 5c) 7a - 2c 3a - 12c 7a + 12c

asked Sep 21, 2022

2 answers

2 votes

165k views

Essay on the topic of science and technology in 150 words

asked May 28, 2022

1 answer

1 vote

114k views

PLEASE HELP ME ASAP!!!! 4 5/9 is the same as the sum of 2 1/3 and 5/6 times a number. What is the number? Enter your answer as a mixed number in simplest form in the box. PLEASE ANSWER QUICK!!

asked Mar 24, 2022

1 answer

3 votes

17.6k views

Write the ratio 15:4.5 in its simplest form

asked Mar 15, 2022

2 answers

0 votes

70.4k views

Complete the sentence A.27 more B. 27 less C. 50 more D. 50 less

asked Oct 5, 2021

1 answer

0 votes

159k views

This is urgent, please answer! What is the area of this composite figure?

asked Jun 21, 2021

2 answers

3 votes

54.2k views

Right △ABC has its right angle at C, BC=4 , and AC=8 . What is the value of the trigonometric ratio? sin A= tan B= sec A=

asked Apr 5, 2021

1 answer

3 votes

127k views

Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist studying this reaction fills a 7.50 l tank with 29.0 mol of ammonia gas at 35.0 °C. She then raises the temperature,

asked Jan 28, 2021

1 answer

5 votes

101k views

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