Answer:
False.
Step-by-step explanation:
It is a Geometric sequence with common ratio -1:
-3, (-3)(-1), (-3)(-1)^2 , (-3)(-1)^3
= -3, 3, -3, 3
Answer:
Grandfather age = 20 * 4 = 80
Step-by-step explanation:
Let Elena age be x
grandfather age is 4x
x + 4x = 100
5x = 100
x = 100/5 = 20 = Elena age
Answer:
B, 2(10^4)
Step-by-step explanation:
2(10^3)= 2000
2(10^4)= 20000
2(10^4) Is closer to 16790 than 2(10^3)
Answer:
3 hours and 45 minutes
Step-by-step explanation:
190/55=3.4545
Answer:
I got this. Use the order PEMDAS search Up if you don’t know what it means.
Step-by-step explanation:
Start with What’s inside the parentheses
(X - 3) = 3x
(X + 5) = 5x
The divide.
How to divide it - The number coefficients are reduced the same as in simple fractions. When dividing variables, you write the problem as a fraction. Then, using the greatest common factor, you divide the numbers and reduce. You use the rules of exponents to divide variables that are the same — so you subtract the powers.
