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Answers by Justina

Answers by Justina
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Consider the following data on some weak acids and weak bases: acid base Ka name formula Kb name formula 6.8x10-4 hydrofluoric acid HF 1.8x10-5 ammonia NH3 4.9x10-10 hydrocyanic acid HCN 1.7x10-9 pyridine
answered Dec 19, 2021
3 votes
227k views
A 888 kg car is driven clockwise around a flat circular track of radius 59 m. The speed of the car is a constant 7 m/s. Which factor, when doubled, would produce the greatest change in the centripetal
answered Dec 19, 2021
2 votes
110k views
9) A person can bake 18 cookies every 12 minutes. Identify an equation relating the number of cookies baked, c,to the number of minutes of baking, m.
answered Nov 24, 2021
0 votes
15.8k views
Barb, the editor at The Daily Report newspaper, found 5 typos on a page with 2,500 words. If this ratio is consistent, how many typos would she expect to find in a newspaper of 160,000 words?
answered Nov 18, 2021
2 votes
6.4k views
What is one difference between Geometric and Arithmetic Sequence
answered Nov 17, 2021
0 votes
3.6k views
3 - ¿A qué hora?Fill in the blanks Activity Audio InstructionsListen to the audio and fill in the blanks with the time each class meets. Follow the model. February 05 11:59 PM 5 attempts remaining Grade
answered Nov 8, 2021
6 votes
94.4k views
The top of a ladder slides down a vertical wall at a rate of 0.675 m/s . At the moment when the bottom of the ladder is 3 m from the wall, it slides away from the wall at a rate of 0.9 m/s . How long is
answered Oct 9, 2021
6 votes
134k views
Marco calculated that he could run a 5K race in 28 minutes. His actual time was 26 minutes. What is the percent error in his estimation? Round to the nearest tenths place.
answered Aug 17, 2021
3 votes
95.7k views
Polyester will absorb KOH True False
answered Aug 16, 2021
6 votes
215k views
Which technology is NASA developing that will help astronauts reach Mars?
answered Jul 19, 2021
7 votes
114k views
Joseph who lives in Tokyo (UTC +9), wants to watch a soccer game that is being televised at 4:30 pm Saturday in Los Angeles (UTC-8) What time and day will he need to switch on his television to watch the
answered Jun 14, 2021
3 votes
192k views
Is how much a good or service costs.
answered Jun 12, 2021
3 votes
125k views
Tyler simplified the expression x Superscript negative 3 Baseline y Superscript negative 9. His procedure is shown below. x Superscript negative 3 Baseline y Superscript negative 9 = StartFraction 1 Over
answered Jun 10, 2021
7 votes
21.6k views
9. To be proficient it requires 50% to pass. If Andrew gets 280 points and falls short by 20 points, what were the maximum points Andrew could have got?
answered May 29, 2021
5 votes
22.1k views
Why does globalization often increase environmental damage? A. Environmental-protection regulations increase compliance costs and decrease economic competitiveness. B. Consumer boycotts and government
answered Sep 29, 2020
1 vote
223k views
Using the midpoints method, calculate the price elasticity of demand of Good X using the following information: When the price of good X is $50, the quantity demanded of good X is 400 units. When the price
answered Sep 28, 2020
3 votes
54.3k views
The electric field in a region of space has the components Ey = Ez = 0 and Ex = (4.00 N/C · m) x. Point A is on the y axis at y = 3.80 m, and Point B is on the x axis at x = 4.40 m. What is the potential
answered Aug 22, 2020
2 votes
165k views
Which southern industries used raw material from the south after the civil war 1. Textiles and lumber 2. Railroads and banking 3. Shipping and mining
answered Apr 15, 2020
3 votes
41.0k views
1. Which of the following were the effects of the Homestead Act on the American Indians in the late 1800s? Select the two correct answers. A. increased encroachment of white settlers onto American Indian
answered Mar 25, 2020
3 votes
209k views
12 Which polynomial function has zeros at -3, 0, and 4? 1 f(x) = (x + 3)(x2 + 4) 2 f(x)=(x2 – 3)(x – 4) 3 F(x) = x(x + 3)(x – 4) 4 f(x) = x(x - 3)(x +4)
answered Mar 25, 2020
3 votes
183k views
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