Answer:
B
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
Square numbers always have two possible roots: a positive and negative root. This is because two positive numbers multiply to make a positive number and two negative numbers also multiply to make a positive number
-7 × -7 is still 49, just like 7 × 7
Hope this helps!
4x^2 - 36 = 0
4x^2 = 36
x^2 = 9
x = 3 or -3
the answer is C
Answer:
804
Step-by-step explanation:
1240- 436= 804
<span>The greatest possible error in a given measurement is half of term's
measuring unit; and more complex math stuff the answer is 5 miles.</span>