Questions by PSL

Questions by PSL

What is the wave speed if the frequency is 50 Hz and the wavelength is 4 m?

asked Mar 6, 2021

1 answer

1 vote

1.7k views

When Sophia solved her equation, she got x = 7, but when she plugged 7 back into the equation, she got 3 = 9. What could this tell Sophia?

asked Feb 7, 2021

2 answers

2 votes

162k views

Find the volume of a cone with a diameter of 12 m and a height of 7 m

asked Jul 20, 2020

2 answers

1 vote

168k views

Q10 Q3.) Find the standard form of the equation of the ellipse satisfying the given conditions.

asked Jun 25, 2019

2 answers

1 vote

212k views

I need help with this math problem

asked May 18, 2019

1 answer

0 votes

104k views

How does diffraction enable somebody to hear your voice from anywhere in the room?

asked Apr 3, 2019

1 answer

1 vote

81.6k views

human heart cells require a constant release of energy to function continuously. which structure would be a numerous in such cells to meet this demand?

asked Jan 17, 2019

2 answers

5 votes

197k views

A regular 15-gon has a perimeter of 150 m. To the nearest tenth, what is the area of the figure?

asked Oct 7, 2018

1 answer

3 votes

208k views

At her job, Jessie earns $9.50 per hour. She also earns a $60 bonus every month. Jessie needs to earn at least $460 every month. Create an inequality that represents the situation, where h represents the

asked Sep 23, 2018

2 answers

2 votes

113k views

A circuit contains three resistors connected in parallel. The value of R1 is 2 K , the value or R2 is 6 K , and the value of R3 is 10 K . If the supplied voltage is 100 VDC, what is the total power in

asked Mar 6, 2018

1 answer

3 votes

14.8k views

Calculat the length of the circumference of a circle with diameter of 8cm. Use \pi = 3

asked Feb 15, 2018

1 answer

1 vote

229k views

A secondary source is most likely reliable and credible if it is:

asked Sep 17, 2017

2 answers

3 votes

8.5k views

He principle of federalism is clearly evident in the U.S. Constitution through the

asked May 10, 2016

1 answer

0 votes

27.4k views

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