Questions by Johnvey

Questions by Johnvey

Could you please help me out with a question

asked Nov 19, 2023

1 answer

3 votes

140k views

HC1O4 + P4010 -> H3PO4 + Cl₂O7 How do I balance it?

asked Aug 27, 2023

1 answer

5 votes

206k views

Sibusiso's car consumes petrol at a rate of 7,6 l/100km. The petrol tank in his car holds 65litres. How far can he ride on a full tank of petrol, rounded off to the nearest kilometre?

asked Feb 4, 2023

1 answer

8 votes

90.0k views

What is the volume of the cylinder when the height is 34 inch?

asked Oct 25, 2022

1 answer

1 vote

138k views

Help 15 point reward

asked Oct 7, 2022

1 answer

4 votes

215k views

What is the average rate of change for f(x) = 2X – 12 over the interval 4sxs8? A) 10 B) 30 60 D 90

asked Aug 23, 2022

1 answer

0 votes

69.3k views

Which parrots were killed by predators

asked May 27, 2022

2 answers

2 votes

31.2k views

Omar drew a line that was 12 centimeters long. Which line is 5 centimeters shorter

asked Apr 15, 2022

2 answers

2 votes

2.0k views

15. Asriel thinks he has room for a 50 inch TV in his living room. It turns out he only has room for a 40 inch TV. What is his percent error? * 10% 25% 20% 30%

asked Feb 18, 2022

2 answers

1 vote

164k views

Normal conversation has a sound level of about 60 dB. How many times more intense must a 10,000-Hz sound be compared to a 1000-Hz sound to be perceived as equal to 60 phons of loudness

asked Jan 17, 2022

1 answer

2 votes

144k views

Nats sister has 5/6 as many songs on her mp player as he has on his mp player. His sister has 35 songs. How many songs does Nat have?

asked Jan 12, 2022

1 answer

3 votes

100k views

Suppose a radio signal (light) travels from Earth and through space at a speed of 3 × 108/ (this is the speed of light in vacuum). How far (in meters) into space did the signal travel during the first

asked Dec 9, 2021

1 answer

5 votes

210k views

Which sentence is an example of simile? A) The cast on Byron’s Leg was a plaster shackle B) The deafening silence overwhelmed the room C) The wind pushed the leaves through the yard D) her eyes were as

asked Nov 15, 2021

2 answers

3 votes

121k views

While studying how objects change motion when they run into each other, Isaac Newton discovered that the force of an object’s impact equals the object’s mass multiplied by its acceleration. He could not

asked Oct 9, 2021

1 answer

3 votes

37.5k views

The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.724 W/m2. What is the maximum value of the magnetic field in the wave

asked Jul 25, 2021

1 answer

3 votes

147k views

R=1/6 the problem is 3r2

asked Jul 17, 2021

1 answer

5 votes

101k views

Why should someone seek professional help for issues related to mental health? A) to get out of class B) to develop dependence on others C) to prevent thoughts of hopelessness D) to become friends with

asked Jul 3, 2021

2 answers

5 votes

187k views

I exchanged 100 US dollars for canadians dollars. I spent 50 canadian dollars on a ticket to the rodeo and 10 for parking. I converted the rest back to US dollars, how much will i have

asked Mar 17, 2021

1 answer

4 votes

204k views

What is the mean for this data set? {10, 10, 11, 12, 13, 14, 20, 20}

asked Feb 7, 2021

2 answers

2 votes

131k views

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