Answer:
only A
Step-by-step explanation:
A is correct because if a number is less than 7, the number under the square root will be negative, and that will yield an imaginary (or non-real number)
B is incorrect because even if you choose a number less than 7, the result will still yield a real number
C is incorrect due to the same logic as B
D is incorrect because you can take the cube root of a negative number without it being non-real.
Answer:
The answer is 130 feet
Step-by-step explanation:
Using Pythagoras' Theorem:
120² + 50² = diagonal²
diagonal² = 16900ft
diagonal = √16900
= 130ft
(Correct me if i am wrong)
Answer:
√63
Step-by-step explanation:
a² + b² = c²
1²=1
8²= 64
now think what + 1 = 64
√63
Answer:
D) >20% are in favor
Step-by-step explanation:
Process of elimination:
Not C, since the same number is undecided for each
Not A, since more people are undecided
Not B, since 60 students decided compared to 40 undecided
The answer is D, since 25/100 = 25% of students are in favor
Answer:
x = 3 y = 1
Step-by-step explanation:
3 + 7 = 10
10 x 1 = 10
Have a great day and good luck :)
