Questions by Riyad Kalla

Questions by Riyad Kalla

Find the value of x²+8x+12 when x = -9

asked Oct 6, 2023

2 answers

15 votes

498k views

What measures did shi huangdi take to strengthen the empire and organize the government?

asked Sep 21, 2023

1 answer

32 votes

162k views

A convex mirror has its radius of curvature 20cm. Find the position of the image of an object placed at a distance of 12cm from the convex side of mirror.

asked Mar 11, 2023

1 answer

9 votes

529k views

What is the surface area of the rectangular solid shown below? A.26cm^2 B.171cm^2 C.306cm^2 D.342cm^2

asked Jan 16, 2023

1 answer

38 votes

142k views

Suppose a proton ( = 1. 67×10^−27 kg) is confined to a box of width = 1. 00×10^−14 m (a typical nuclear radius). 1. What are the energies of the ground and the first excited states? 2. If the proton makes

asked Dec 9, 2022

1 answer

1 vote

256k views

Please help I appreciate it also have a good day!

asked Aug 11, 2022

2 answers

7 votes

9.3k views

The left and right page numbers of an open book are two consecutive integers whose sum is 289. Find these page numbers.

asked Aug 10, 2022

1 answer

24 votes

175k views

Help please :’( I have bad grades

asked Feb 1, 2022

1 answer

23 votes

515k views

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