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Answers by Dong Chen

Answers by Dong Chen
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A rectangle has a length of 9 inches and a widt of 5 inches whose sides are changing. The length is increasing by 3 in/sec and the width is shrinking at 9 in/sec. What is the rate of change of the perimeter?
answered May 12, 2023
2 votes
133k views
There is two function equations, f(x)=2x²+3x-4 and h(x)= -x²+8 If the input is f(1)+h(1), how exactly would I solve this
answered Feb 26, 2023
3 votes
81.9k views
Fill in the blanks to complete the proofs
answered Jan 13, 2023
3 votes
102k views
Find the area of similar figure.XTRA POINTS!!!! PLUS BRAILIEST!!!!!! NO LINKS OR WEBSITES!!!!! YOU WILL GET REPORTED!!!!!
answered Dec 20, 2022
4 votes
87.7k views
What job did most former slaves get after the Civil War?
answered Dec 12, 2022
3 votes
126k views
Which tree grew at a slower rate for the first year? Two trees were planted at the same time. Tree A grew 4.15 inches per month for the first year. Tree B grew 4.2 inches per month for the first year.
answered Nov 28, 2022
4 votes
227k views
This tasty snack starts as a kernel and is “popped” then covered in salt, butter, caramel, peanuts, you name it. Through thermal energy we've learned to heat things, you could use conduction, convection
answered Nov 2, 2022
3 votes
15.4k views
Before the Constitution was even written, two parties emerged vying for a direction for America. Name them and their characteristics. The Federalists wanted a strong Federal government, and the Republicans
answered Oct 8, 2022
3 votes
65.3k views
3) Acid and Base Characteristics Substance A Substance Substance D Sour taste Neutral taste Substance B Bitter taste Strongly conducts electricity Strongly conducts electricity, Sharp taste Strongly conducts
answered Sep 30, 2022
6 votes
74.4k views
If tge angle at the center is 62° and the radius is 12 cm.. find the length of arc​
answered Aug 31, 2022
4 votes
22.6k views
What is the most effective long-term solution to reduce the amount of carbon dioxide emissions Drive less Find alternatives to fossil fuels Increase gas mileage on cars Recycle the gas
answered Aug 9, 2022
4 votes
34.6k views
(4y^4)^2 write without exponents
answered Jul 19, 2022
5 votes
5.6k views
Name this rest: eighth rest quarter rest half rest whole rest
answered Jun 21, 2022
1 vote
220k views
Translate this phrase into an algebraic expression. The sum of 16 and twice a number Use the variable n to represent the unknown number.
answered May 1, 2022
1 vote
151k views
Which of the following statements are true regarding SDSs and labels?(OSHA)
answered Dec 28, 2021
2 votes
125k views
Sean multiplied two numbers and the resulting product was an irrational number. If the first number was 7/3, which of the following could be the second number? Two apply. 3/7, 2pie, 1, square root of three
answered Nov 24, 2021
4 votes
113k views
What is the most likely reason fast food companies want to advertise and sell their prouducts in schools
answered Oct 27, 2021
1 vote
147k views
The table shows the number of games a team won and lost last season. Wins and Losses Last Season Number of Games Wins 24 Losses 16 Greg has tickets to six of the team’s games this season. He is designing
answered Sep 21, 2021
4 votes
219k views
On a timer please help What is an advantage of using a website as a source of information? A website can be created by anyone with a computer. Students can quickly access a website for information. A website
answered Aug 12, 2021
4 votes
217k views
Which group of people were very powerful during the Medieval era but most likely lost influence and power as the Renaissance progressed? A. humanists B. priests and other leaders of the Catholic Church
answered Aug 5, 2021
1 vote
90.6k views
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