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Answers by KimKha

Answers by KimKha
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The given row operations, when performed on a matrix A, result in the given matrix B. Find the determinant of A: -7R1 ⇒ R1, -R1 + R2 ⇒ R2 ⇒ B = [1 6; 0 7].
answered Oct 18, 2024
5 votes
177k views
What are characteristics of a moist, unstable air mass? a) Clear skies and calm conditions b) Stable atmospheric conditions c) Potential for thunderstorms and heavy precipitation d) Cool and dry conditions
answered Oct 1, 2024
6 votes
51.8k views
A client with unstable ventricular tachycardia is receiving amiodarone by intravenous infusion. The nurse notes that the client's heart rate has decreased from 68 to 50 beats/min. The client is asymptomatic.
answered Feb 20, 2024
5 votes
147k views
Proteins are COMMONLY used for all the following EXCEPT: transport molecules hormones enzymes energy they are used for all of the above
answered Feb 19, 2024
6 votes
103k views
American colonist were required to board British troops in their homes during the Revolutionary war
answered Feb 14, 2024
6 votes
218k views
Sally earns $37.00 for 4 hours of babysitting. At this rate, how much more would she eam for 9 hours of babysitting? 6.RP.3 Step 1: Find the Unit rate of how much Sally makes per hour?​
answered Sep 27, 2023
2 votes
84.8k views
Help help help math math math
answered Sep 23, 2023
5 votes
227k views
Trisha is saving $25 a week to go on a vacation. She determines that she will need $350 for the vacation, but she also wants to have over $100 left in her bank account after the trip. How many weeks should
answered Feb 3, 2023
5 votes
64.2k views
Explain why it is difficult to calculate the Earth's carrying capacity for the human population. (Site 1)
answered Dec 26, 2022
4 votes
154k views
The tree in johns backyard is 7 meters high. How high is it in in centimeters?
answered Nov 22, 2022
7 votes
34.1k views
1.4 divide by 128.8 what is it but if want to help hurry please
answered Nov 12, 2022
8 votes
79.4k views
a person deposits rs 55000 in bank p for 2 years at the rate of 10% per annum compounded annually .but after one year , bank has changed the policy and decided to pay semi annual compounded interest at
answered Oct 21, 2022
2 votes
9.0k views
#NAME?
answered Oct 7, 2022
3 votes
45.3k views
Is the statement (3^5)^4 = (3^4)^5 true? Explain your reasoning.
answered Sep 29, 2022
4 votes
44.6k views
On average, hair grows about 1.25 cm per month. Fingernails grow about 0.3 cm per month. About how much more does hair grow in a month than fingernails?
answered Sep 23, 2022
9 votes
77.6k views
Good points... just answer the question correctly​
answered Feb 27, 2022
3 votes
202k views
Which represents the inverse of the function f(x) = 4x? h(x) = x+ 4 H(x) =x-4 h(x) = 3/4x h(x) = 1/4x
answered Feb 25, 2022
2 votes
113k views
I need help!!! (Classify each number as rational or irrational.)
answered Feb 21, 2022
3 votes
138k views
PLEASE HURRY TIME LIMIT 30 POINTS If ∆is a right triangle AB is 27, BC is 36, and AC is 45, which of the following can be used to find the measure of ∠? Select all that apply. a.=3645 b.=2745 c.=3645 d.
answered Feb 2, 2022
4 votes
149k views
Read the following sentence. “The results of the election were quite impressive,” Victor announced to the massive crowd awaiting the results. Which word should replace impressive to create a sentence with
answered Jan 17, 2022
3 votes
65.5k views
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