Questions by Sandu Ursu

Questions by Sandu Ursu

Which of the following statements is true about chemical reactions? A) They represent the way matter is created and destroyed. B) They reach chemical equilibrium when the amounts of products and reactants

asked Nov 25, 2024

1 answer

3 votes

88.8k views

If a protein underwent a mutation such that a Glu residue was changed to another amino acid, which of the following amino acids would least likely result in a change in the overall structure of the protein?

asked Oct 9, 2024

1 answer

3 votes

16.6k views

A 100.0 g sample of titanium at 63.0°C is warmed to 85.0°C. A. 27.5 J B. 42.0 J C. 52.5 J D. 68.0 J

asked Aug 4, 2024

1 answer

2 votes

227k views

11. 95% of what number is 19?

asked Jul 7, 2024

1 answer

0 votes

107k views

Find the geometric mean of each pair of numbers. 16 and 28

asked Jul 6, 2024

1 answer

4 votes

134k views

What is the frequency range for normal human hearing?

asked Apr 24, 2024

1 answer

5 votes

11.8k views

In the 16th century, what was the male to female ratio of indentured servants? 1) Men were the majority of indentured workers 2) Women were the majority of indentured workers 3) The ratio was balanced

asked Jan 1, 2024

1 answer

4 votes

40.7k views

Simplify. 17.25 - 3.4 × 4 + 0.92 Calculator does not work…

asked Dec 28, 2023

2 answers

6 votes

102k views

Solve (x+2 < 5) u ( x-7 > -6)

asked Nov 1, 2023

1 answer

11 votes

116k views

F(x)=4x-9 What is the value of (-3)

asked Jun 23, 2023

1 answer

5 votes

87.4k views

You are in a basketball 3-point contest. You have 1 regular ball, and 1 money ball left to shoot. If you make both shots, you will get a total of 10 points. If you make just the money ball, you will get

asked Jan 27, 2023

1 answer

3 votes

180k views

Find the y-intercept of the line on the graph. Hellppppppppp

asked Oct 15, 2022

1 answer

14 votes

78.3k views

Find the equation of the axis of symmetry of the following parabola algebraically. y=−x ^2 +8x−12

asked Oct 11, 2022

2 answers

6 votes

94.7k views

What does it mean that the us "played the china card"?

asked Aug 17, 2022

1 answer

3 votes

139k views

Which is equivalent to -sinx for all values of x? A. Sin(90*+x) B.sin(90*-x) C.sin(180*+x) D.sin(180*-x)

asked Aug 10, 2022

1 answer

5 votes

128k views

What is 5x+4=8x-71? SHOW WORK!!!!

asked Jun 12, 2022

1 answer

3 votes

194k views

What is the South African law that is unjust

asked May 2, 2022

1 answer

5 votes

223k views

Why was music an important part of education in Ancient Greece? Plz Help Me!!!

asked Apr 13, 2022

2 answers

25 votes

10.2k views

How character helps in world peace

asked Jan 13, 2022

1 answer

0 votes

79.0k views

Mr. Matthewson increased the amount of weight he lifted each morning from 80 pounds to 90 pounds by what percentage did mr. matthewson increase the amount of weight he lifted

asked Dec 6, 2021

1 answer

3 votes

62.0k views

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