Questions by Ahmed Salama

Questions by Ahmed Salama

Prove the following identities. (Remember, you may only change one side of the equation) (a) Sec θ (1 - sin^2 θ) = cos θ (b) 1 = 1 + sin x/ sin x - csc x

asked Sep 26, 2021

1 answer

0 votes

211k views

Which sentence uses a hyphen incorrectly?

asked Sep 7, 2021

1 answer

0 votes

151k views

Maritime Sail Makers manufactures sails for sailboats. The company has the capacity to produce 37 comma 000 sails per year and is currently producing and selling 30 comma 000 sails per year. The following

asked Jun 19, 2021

1 answer

4 votes

67.6k views

Noah wants to create a floor plan that is a scale drawing. The actual length of Wall C is 4 m. To represent Wall C, Noah draws a segment 16 cm long. What scale is he using?

asked Mar 18, 2021

2 answers

1 vote

123k views

How did the Destroyers for Bases agreement of 1940 help Britain? It allowed Britain to buy arms on loan. O It helped Britain maintain its vital supply lines. O It helped Britain recruit more soldiers.

asked Feb 25, 2021

1 answer

0 votes

64.3k views

Effective capital budgeting for general capital assets of a government requires: Intermediate and long-range capital improvement plans for general capital assets. Nonfinancial information on physical measures

asked Jan 3, 2021

1 answer

4 votes

88.2k views

C-Met is an oncogene that contributes to the development of certain cancers by triggering cell division and tumor growth. In a 2009 article, Yan and colleagues found regions in the 3' untranslated region

asked Nov 19, 2020

1 answer

0 votes

3.8k views

What is 4.74 divided by 0.06 (needed by this Friday, today is Tuesday, March 5th, I also need to know what 19.44 divided by 0.54 is by Friday. I also need a picture/ video on how to solve it ty!

asked Oct 6, 2020

1 answer

5 votes

212k views

A tablet of Pain Be Gone Aspirin, which had a mass of 1.213 g, was pulverized and 1.159 g were dissolved in 10.0 mL of ethyl alcohol and 25.0 mL of DI water. The titration of this solution with 0.1052

asked Jul 27, 2020

1 answer

3 votes

59.0k views

- If 2x2 + 8y = 121.5 and x2 - 8y = 121.5, then x = 9 6.36 16 7

asked Feb 3, 2020

1 answer

3 votes

20.1k views

Is √97 rational or irrational

asked Jan 22, 2020

1 answer

5 votes

158k views

Which sentence best describes Anne Hutchinson? She helped spread Quaker ideals in the Middle colonies. She was married to the first governor of Massachusetts. She wrote the first agreement between colonists

asked Nov 4, 2019

2 answers

4 votes

632 views

-4x + 0.4y = -0.8 6x + 0.4y = 4.2The solution to the system is

asked Mar 18, 2019

1 answer

5 votes

217k views

Photosynthesis and carbon fixation can only occur in the presence of light. Please select the best answer from the choices provided T F

asked Feb 18, 2019

2 answers

3 votes

49.2k views

Which word can replace the phrase "difference or discrepancy" without changing the meaning of this sentence? The difference or discrepancy of colors in the tile creates an attractive pattern. precision

asked Jan 5, 2019

2 answers

1 vote

148k views

A warm-up should be about _____. five minutes long 15 minutes long 2 minutes long

asked May 12, 2018

2 answers

2 votes

156k views

If 25.0 g of water at 21c is mixed with 45.0 g of water at 75c, what is the final temperature of the mixture? a. 40c b. 48c c. 56c d. 63c e. 38c

asked Jan 19, 2018

1 answer

4 votes

43.5k views

1,800,000 in scientific notation

asked Dec 10, 2017

2 answers

3 votes

129k views

Simplify this expression ( 7 + 5b) + 1

asked Apr 24, 2017

2 answers

3 votes

169k views

The basic economic condition that exists when unlimited wants exceed limited productive resources is

asked Jan 26, 2017

1 answer

3 votes

85.4k views

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