valdezavery9018
20.06.2020 •
Mathematics
What are the solutions of the quadratic equation 0 = 4(x - 3)2 - 16?
2 and -2.5
2 and 2.5
1 and -5
1 and 5
Solved
Show answers
More tips
Answers on questions: Mathematics
- M Mathematics There are 18 cupcakes. how many 3/4 size servings can you make?...
- M Mathematics 2x + 6y = 5x + 3y = 2 how many solutions...
- M Mathematics The table shows the number of salvador has read. find the ratio of mystery books to the total. explain it s meaning. (look at the picture of the table)...
- M Mathematics Find all values of theta between 0 and 360 that satisfy cos(theta)=-.73...
- M Mathematics Solve by substitution: 3x-2y=14 y=5x solve by substitution x-2y=-2 y=2x+4 solve by elimination x+2y=-7 x-5y=7 worth 10 points! aka show work: )...
- M Mathematics What is the least common denominater for 5/6 and 3/8...
- M Mathematics What three equal numbers could you add to get 180...
- M Mathematics Where would 5 / 2 be on a number line...
- M Mathematics 207,567 to the nearest hundred thousand...
- M Mathematics Abbie spent 5/8 of her money and saved the rest. if she spent 45,how much money did she have at first?...
Ответ:
x=1, 5
Step-by-step explanation:
0 = 4(x - 3)^2 - 16
Add 16 to each side
0+16 = 4(x - 3)^2 - 16+16
16 = 4(x - 3)^2
Divide each side by 4
16/4 = (x-3)^2
4 = (x-3)^2
Take the square root of each side
±sqrt(4) = sqrt( (x-3)^2)
±2 = (x-3)
Add 3 to each side
3±2 = x-3+3
3+2 =x so x=5
3-2 =x so x=1
Ответ:
a = F/m = 5 N / 10 kg = 0.5 m/s2 (meter per second squared)