If the cube root of 2A + 19 is 3, find the square root of 3A + 4
2a+19=27
2a=8
a=4
3a=12
3a+4=16
The square root of 3A + 4 = plus or minus 4
RELATED INFORMATIONS
- 1. Given that the square root of 2a-1 is ± 4, the cube root of 3A + B-1 is 3, find the cube root of a-b
- 2. If the absolute value of x = 2, then the number is half a, and the absolute value of a = negative half a, then a must be half a?
- 3. The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is ()
- 4. The difference between the opposite number of 2 and 3 / 4 and the number with absolute value of 5 and 1 / 4 is
- 5. If the absolute value of a is equal to a, then what number is a: if the absolute value of a is greater than a, then what number is a?
- 6. If the absolute value of a number is 3.4, then the number is equal to ()
- 7. What is the number whose absolute value equals itself?
- 8. According to the meaning of the power, we can get that the second power of 4 = 4 * 4, the third power of 4 is equal to 4 * 4 * 4, then the second power of 4 multiplied by the third power of 4 = (4 * 4) * (4 * 4 * 4) = (4 * 4 * 4 * 4) *4 is equal to the fifth power of 4. Calculate the cubic of the following formula 6 times the fifth power of 6, the m-cube of a, and the nth power of A
- 9. According to the meaning of power, the quadratic power of 4 = 4 * 4, the cubic power of 4 = 4 * 4 * 4, then the cubic power of 4 quadratic power * 4 = (4 * 4) * (4 * 4 * 4) = 4 * 4 * 4 * 4 = 4 Then the cubic power of 4 quadratic power * 4 = (4 * 4) * (4 * 4 * 4) = the quintic power of 4 * 4 * 4 * 4 = 4, so as to calculate the m power of a and the n power of a (m, n is an integer)
- 10. From the meaning of power, we can see that: 2 ^ 3 * 2 ^ 4 = (2 * 2 * 2) * (2 * 2 * 2) = 2 ^ 7, please use this method to simplify the cubic power of 4 and the cubic power of B c'mon
- 11. Given that the cube root of a number is 3-2a-4 and 4-3a + 7, find the number
- 12. A simplest fraction, if the numerator plus 1, the fraction is 23; if the denominator plus 1, the fraction is 12, the fraction is 23______ .
- 13. Multiply the numerator of a simplest fraction by 3 and divide the denominator by 3 to get 1.2?
- 14. If C and B are opposite to each other and C and D are reciprocal to each other, then the value of a + b-2cd is
- 15. 1. If a and B are opposite, C and D are reciprocal, and C = - 1, find the value of | C | = 2cd-100 (a + b) 2. If the positions of a, B and C on the number axis are shown in the figure below, the formula is simplified as | a | - | B-C | + | C| ----------------------》 a b 0 c
- 16. If a ≠ 0, find the value of 3A + 3B + B / A + 1 / 2CD
- 17. If a and B are opposite to each other, C and D are reciprocal to each other, and the absolute value of M is 3, find the value of a + B / 7-2cd + 3 / m
- 18. Given that a and B are opposite to each other, and C and D are reciprocal to each other, find the value of 4 / 3 (a + B + 2) - 2CD
- 19. If | a + 5 | + | B-7 | + | a + B + C | = 0, find the value of (A-3) (2-B) (C-9)
- 20. Given a = 3, B = - 5, C = 7, find the following values 2a-c; a-b-c