Questions by Yuhua

Questions by Yuhua

9. Describe and correct the error in performing the operation. X 4x²(3x - 2x² + 7) = 12x³ - 8x + 28x²

asked Jul 7, 2023

1 answer

0 votes

225k views

The rectangular frame is made from 5 straight pieces of metal. The weight of metal is 1.5kg per metre. Work out the total weight of the metal in the frame.

asked May 23, 2023

1 answer

1 vote

78.4k views

Why do we need protection from high-frequency electromagnetic energy?

asked Mar 10, 2023

2 answers

4 votes

210k views

Directions: Square the following monomials. 1. (a2)2 2. (b3)2 3. (c4)2 4. (-d5)2 5. (rs)2 6. (m2n2)2 7. (cd2)2 8. (-x3y2)2 9. (2b)2 10. (3x2)2 11. (-4m3)2 12. (-5y4)2 13. (9ab)2 14. (10x2y2)2 15. (-12cd3)2

asked Feb 24, 2023

2 answers

2 votes

115k views

Identify the most vivid verb in the following sentence. Donald is glad that he gave the tickets to Erin, because she shrieked with surprise when he did so

asked Nov 7, 2022

2 answers

4 votes

188k views

The density of copper is listed as 8.94 g/mL. Two students each make three density determinations through experimentation. Student A's measurements are 6.3 g/mL, 8.9 g/mL, and 11.1 g/mL. Student B's measurements

asked Jul 23, 2022

1 answer

19 votes

156k views

Filling in the missing numbers. 42, 57,?, 74,?

asked Jul 7, 2022

2 answers

5 votes

190k views

HELP ASAP 20PTS complete the remainder of the table for the given function rule y=x/2 - 5

asked Jun 11, 2022

1 answer

21 votes

183k views

What does St. Augustine mean with the expression "place of unlikeness"

asked May 19, 2022

1 answer

4 votes

50.3k views

A student creates a scale model of planets where 1 centimeter (cm) is equal to 10,000 kilometers (km). In this model, which planet would have a diameter of approximately 12 cm?(1 point) Mars Earth Saturn

asked May 16, 2022

2 answers

1 vote

17.8k views

How could a news story be unfair?

asked Mar 11, 2022

2 answers

22 votes

57.5k views

Who sings That Music Theme True liars

asked Feb 13, 2022

1 answer

3 votes

36.2k views

If f(x) = 0.5(2 - x), what is the value of f(-2)?

asked Jul 26, 2021

1 answer

0 votes

19.4k views

Kelly has $20000 to invest, and hopes to earn $1390 in interest in the first year. She wants her investment in treasury bills to be $3000 more than her investment in corporate bonds. The expected return

asked Jun 12, 2021

1 answer

5 votes

67.1k views

Think about the research you've collected so far. What are some potential applications for this research in the real world? In other words, what are some ways that this research could be used?

asked Jun 7, 2021

1 answer

2 votes

77.3k views

How did the heian period start

asked Jun 3, 2021

1 answer

0 votes

92.0k views

If a fault is currently locked, it is not moving. True O False

asked Feb 18, 2021

1 answer

2 votes

34.8k views

Please explain one way in which the federal government ensures fair competition in the marketplace.

asked Jan 22, 2021

1 answer

4 votes

90.5k views

100% ? What percent is represented by the shaded area? 1% Stuck? Watch a video or use a hint.

asked Jan 22, 2021

1 answer

5 votes

158k views

Which substitution method should be the best used to solve which system of equations

asked Jan 1, 2021

1 answer

3 votes

201k views

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