Answer:
1) one real solution
2) no real solution
3) two real solutions
4) no real solution
Step-by-step explanation:
We have to determine the number of real solutions for each quadratic equation without solving.
1)
Thus, the quadratic equation has one real solution.
2)
Thus, the quadratic equation has no real solution.
3)
Thus, the quadratic equation has two real solutions.
4)
Thus, the quadratic equation has no real solution.
Circumference: 2πr
Circumference: 2(3.14)(x + 1)
Circumference: 6.28(x + 1)
Circumference: 6.28(x) + 6.28(1)
Circumference: 6.28x + 6.28
Area: πr²
Area: 3.14(x + 1)²
Area: 3.14(x +1)(x + 1)
Area: 3.14(x(x + 1) + 1(x + 1))
Area: 3.14(x(x) + x(1) + 1(x) 1(1))
Area: 3.14(x² + x + x + 1)
Area: 3.14(x² + 2x + 1)
Area: 3.14(x²) + 3.14(2x) + 3.14(1)
Area: 3.14x² + 6.28x + 3.14
Because it is BELOW sea level after 10 minutes, it straight away cannot be A) or B), because ascended means going up, so it has to be either C) or D).
I believe the answer is C), as the answer for D) would be -40 meters per minute, but it's still 40. I'm not sure though, so it's either C) or D).
Consider the number 226981 since...
the units digit of 226981 is 1,
the units digit of its cube root is
also 1.
Now, the number obtained by striking out units, tens and hundred digits = 226.
=> 3. 3
<h2> 6. <226 <7 </h2>
tens digit of the cube root of 226981 is
<h2> 6</h2>
hence, 3._________
\/ 226981. =6
for more information
<h2>link/84016...</h2>
Answer:
1/4
Step-by-step explanation:
3/12
Simplify. Both numbers can be divided by 3.
3/12 = 1/4
