Answer:
x = ± 
Step-by-step explanation:
To find the zeros equate the polynomial to zero, that is
x² - 7 = 0 ( add 7 to both sides )
x² = 7 ( take the square root of both sides )
x = ±
Thus the exact solutions are
x = -
, x = 
Answer: infinitely many solutions
Step 1)
√25y² +16 =5y + 4
(√25y² + 40y + 16)² = (5y + 4)²
25y² + 40y + 16 = (5y + 4)²
25y² + 40y + 16 = (5y)² + 2 × 5y × 4 + 4²
25y² + 40y + 16 = 5² × y² + 2 × 5y × 4 + 4²
25y² + 40y + 16 = 25y² + 2 × 5y × 4 + 16
25y² + 40y + 16 = 25y² + 40y + 16
25y² + 40y + 16 = 25y² + 40y + 16
25y² + 40y + 16 − 25y² − 40y − 16 = 0
0 = 0
Greater than 4 means either 5 OR 6, that means the probability of getting 5 or 6 is 2/6 ==>1/3
Theoretically she needs 3 Rolls to get a number greater than 4
Answer:
116−−√
110−−√
14√
18√
Step-by-step explanation:
Answer:
The required expression is
units³.
Step-by-step explanation:
Consider the provided information.
The Volume square base pyramid is: 
Where a is the edge length and h is the height of the pyramid.
It is given that length of the side is s units and height of the pyramid is h unit.
Substitute the respective values in the formula above
The Volume square base pyramid is:

Hence the required expression is
units³.