Questions by Keyah

Questions by Keyah

For the two regular expressions r1 = a* + b* and r2 = ab* + ba* + b*a + (a*b)* (a) find a string corresponding to r2 but not to r1 and (b) find a string corresponding to both r1 and r2.

asked Oct 19, 2024

1 answer

5 votes

130k views

If the vertical distance from the working level to the horizontal plane of the safety net is 5', the minimum horizontal distance from the edge of the work surface to the outer edge of the safety net will

asked Oct 16, 2024

1 answer

4 votes

133k views

Flammable materials give off vapors. What is the lowest temperature that these vapors burn when a spark is applied? 1. Ambient temperature 2. Room temperature 3. Flash point 4. Ignition point

asked Oct 13, 2024

1 answer

3 votes

49.3k views

Cocaine hydrochloride contains about ______ pure cocaine. A. 2 percent B. 40 percent C. 60 percent D. 99 percent

asked Aug 15, 2024

1 answer

0 votes

181k views

In the provided text, what suggestion does Golde give to a poor girl without a dowry? a. Marry a wealthy man b. Marry someone with good hair c. Marry a monkey d. Marry for love"

asked Aug 12, 2024

1 answer

0 votes

93.1k views

You must remember when backing up a vehicle that:

asked Jun 11, 2024

1 answer

1 vote

155k views

suppose a 1.28 g sample of unknown x containing k 2 c 2 o 4 was dissolved in 25 ml of di water and 25 ml 3 m h 2 s o 4 and then titrated with 0.0655 m k m n o 4 . the sample required 27.60 ml of titrant

asked Mar 13, 2024

1 answer

5 votes

71.3k views

HELP PLS‼️ *due today* THANK UU Write T or True if the statement is true; write F or False if the statement is false. 1. All living things are composed of one or more cells. True or False? 2. Vacuoles

asked Feb 24, 2024

1 answer

1 vote

199k views

the planet bilbo has a mass of 6 X 10^12 kg and has a radius of 5000km. The planet Samwell has a mass of 8 X 10^14 and a radius of 7000. If the distance between the surface of planet Bilbo and Samwell

asked Jan 3, 2024

1 answer

1 vote

27.9k views

Given: GH || KL, J is the midpoint of HKProve: AGHJ ALKJSTATEMENTREASON1. GH | KLGiven2. J is the midpoint of HKGiven3456.GHJ=LKJ

asked Dec 7, 2023

1 answer

3 votes

107k views

15+6=33m-21-27m combining like terms (show work)

asked Sep 24, 2023

1 answer

12 votes

183k views

Describe all numbers x that are at a distance of 1 from the number 8 . Express this using absolute value notation. The answer field below uses the symbol mode option in Mobius. That lets you type in a

asked Jun 20, 2023

1 answer

5 votes

37.8k views

How much power is being used when the amount of work is 1,987 J and it happens over 2 hours?

asked Dec 14, 2022

1 answer

2 votes

190k views

Tiny cell structures that carry out specific functions within the wall

asked Nov 24, 2022

1 answer

4 votes

150k views

Please help!!!.......thx

asked Nov 15, 2022

1 answer

0 votes

229k views

When releasing the energy, which element releases longer wavelengths like red, as seen with the auroras? Iron None of these Nitrogen O Oxygen

asked Oct 6, 2022

1 answer

6 votes

17.5k views

Question 22 (1 point) An element that is written with the formula X2 is a(n) a diatomic element b noble gas С transition metal d alkali metal

asked Aug 4, 2022

1 answer

24 votes

131k views

I need help please on chemistry

asked Jun 19, 2022

1 answer

15 votes

175k views

Mr Heart describes pain is midline superior to the chest but inferior to the chin. In the activity, place an indication where where the patient describes the location.

asked Dec 23, 2021

1 answer

0 votes

96.2k views

The coefficients of the expression. −30 + 2p − 9z -30,2 2,9 -30,2,-9 2,-9

asked Nov 24, 2021

1 answer

0 votes

49.5k views

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