Questions by John Petrone

Questions by John Petrone

A 4.31 of hydrated (Na2 CO3*nH2O) gave 3.22 of anhydrous sodium carbonate on heating to a constant mass. Determine the formula of the hydrate

asked Dec 3, 2024

1 answer

2 votes

180k views

______ is the pattern of basic assumptions that a given group has invented, discovered, or developed in learning to cope with its problems of external adaptation and internal integration, and that have

asked Nov 7, 2024

1 answer

3 votes

82.9k views

The displacement of a wave traveling in the positive x-direction is d(x,t) = (3.5 cm) sin(3.0x - 122t), where x is in m and t is in s. What is the equation for the displacement of the wave?

asked Aug 13, 2024

1 answer

3 votes

5.7k views

Let point C be on circle A with radius 2.5 cm. If ∠BAC is 4 radians. How long is arc BC

asked Apr 25, 2024

1 answer

5 votes

97.9k views

The sum of three consecutive integers is 45. Find the value of the middle of the three.

asked Oct 9, 2023

1 answer

3 votes

81.6k views

Why does egypt have so many tombs and mummies.

asked Oct 5, 2023

2 answers

2 votes

222k views

Michael likes to go hiking. He can climb 400 ft. every 2 hours. Which equation models the relationship between the time Michael hikes, x, and the distance he climbs, y? y = -200x y = 200x y = -1/200 x

asked Mar 24, 2023

1 answer

4 votes

6.2k views

Find the surface area of a square pyramid with side length 2 km and slant height 4 km

asked Feb 13, 2023

1 answer

0 votes

119k views

The definition of a limiting reactant can be summarized as:

asked Feb 3, 2023

1 answer

5 votes

199k views

What does taken/take for granted mean?

asked Jan 25, 2023

1 answer

12 votes

211k views

Which expression is equivalent to (m5n/pq2)4

asked Dec 11, 2022

1 answer

2 votes

118k views

Pls help I will give 12 points :(

asked Aug 10, 2022

2 answers

7 votes

124k views

Pls help I will give 12 points :(

asked Aug 10, 2022

2 answers

7 votes

124k views

Pls help I will give 12 points :(

asked Aug 10, 2022

2 answers

7 votes

124k views

I took a pic, I hope that's fine

asked Apr 2, 2022

1 answer

0 votes

139k views

I need help 9.0405÷2.1=

asked Feb 16, 2022

1 answer

0 votes

92.7k views

The points (1,6) and (3, 10) fall on a particular line. What is its equation in slope-intercept form?

asked Jan 17, 2022

1 answer

5 votes

161k views

7. REINFORCE The faces of a six-sided number cube are labeled with even numbers: 2, 4, 6, 8. 10. and 12. List the outcomes. Express the theoretical probability of each outcome in proper notation.

asked Nov 28, 2021

1 answer

5 votes

93.4k views

The probability that skene will be alive in five years time is 3\4 and the probability that is wife will be alive in five years time is 2\5.Find the probability that in five years time both of them will

asked Nov 1, 2021

1 answer

4 votes

95.9k views

1. Solid Examples: ____________, teeth

asked Sep 9, 2021

1 answer

2 votes

24.6k views

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