Questions by Chengbo

Questions by Chengbo

Write down the chemical properties of Silicon but do not get them confused with physical properties. How do the chemical properties of silicon allow its use.

asked Nov 24, 2023

1 answer

2 votes

221k views

Meena bought headphones online for $33. She used a coupon code to get a 20% discount. The website also applied a 5% processing fee to the price after the discount. How much was the processing fee? Round

asked Jan 20, 2023

2 answers

11 votes

188k views

Abstinence is 100% effective at preventing pregnancy. For most healthy young adults, is abstinence a realistic option?

asked Oct 24, 2022

2 answers

4 votes

204k views

Holly, Chris and Tony each collect action figures. Chris has twice as many action figures as Holly Holly has 3 fewer action figures than Tony. Create an expression that represents the number of action

asked Oct 13, 2022

2 answers

3 votes

94.1k views

How have archeological and literary sources become important in identifying the history of Sri Lanka

asked Oct 8, 2022

1 answer

1 vote

105k views

I am confused about this equation; 5x+2y=6, 7x+8y=-2 Does anyone think they can help me out?

asked Sep 22, 2022

1 answer

4 votes

230k views

Third time posting. Explain it too

asked Sep 15, 2022

2 answers

16 votes

28.3k views

Giving 10 points need urgently

asked Apr 8, 2022

2 answers

1 vote

182k views

Factor if posible X/2-4X-12

asked Mar 1, 2022

2 answers

18 votes

167k views

Choose the mixed number that is equivalent to this decimal. 3.242424… A)3 8/33 B)3 12/25 C)3 1/4 D)3 1/5

asked Feb 25, 2022

2 answers

3 votes

26.0k views

(20 points) An engineer is tasked with developing a model to study a cylindrical heat exchanger in a steam system. The prototype cylinder is 2.54 cm in diameter and the steam properties are: velocity

asked Nov 8, 2021

1 answer

1 vote

231k views

Which is equal to 1,000 millimeters 70 centimeters 700 decimeter 7 meters

asked Aug 4, 2021

1 answer

5 votes

197k views

What is the slope of the line shown below? (3, 8) (1, -2)

asked Jul 17, 2021

2 answers

1 vote

125k views

A pool drains at a rate of 70 gallons per hour. Is this proportional or non- proportional?

asked Jul 9, 2021

2 answers

1 vote

113k views

What is the basic unit of structure and function in a living thing

asked Jul 6, 2021

2 answers

4 votes

90.6k views

Which numerical pattern is a linear progression? 1 2 , 2 3 , 3 4 , 4 5 , . . . 1 2 , 2 3 , 3 4 , 4 5 , . ⁢ ⁢ . ⁢ . 1, 3, 7, 13, . . . 1, 3, 7, 13, . . . − 10 , − 20 , − 40 , − 80 , . . . − 10 , − 20 ,

asked Apr 12, 2021

1 answer

0 votes

68.4k views

Which equation represents a line through (-4, 3) that is perpendicular to y=x+7? A. y=x+1 B. y=-x-1 C. y=-x+ 1 D. y=x-1

asked Apr 2, 2021

1 answer

2 votes

109k views

HELP ILL GIVE 10 PTS hurry pleasee

asked Mar 24, 2021

1 answer

1 vote

92.6k views

In a command economy, the government _______. A. Encourages competition B. Owns small business C. Makes all economic decisions D. Makes few economic decisions

asked Feb 22, 2021

2 answers

1 vote

187k views

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