I guess you mean the derivative of:
√7x + √2x, if so then:
Remember that the derivative of √u = 1/(2√u) . u'
if 7x = u, then u' = 7 , hence the derivative of √7x is 7/(2√7x)
Use same logic for √2x and you will find:
y' = 7/(2√7x) + x/√2x
0.5 x 10^5 = 50,000
0.05 x 10^5 = 5,000
5. When you multiply by a power of 10, the decimal point moves (4) places to the (right) for every power of 10. In the expression 8.0 x 10^4, the power of 10 is (4). To multiply 8.0 x 10^4, the decimal point needs to move (4) places to the (right). The product of 8.0 x 10^4 is (80,000). Jayla is incorrect.
Answer:
Following the rule of BIDMAS
we will solve the one inside the bracket first, Addition will be solved before subtraction
i.e ( 5+4-2) x ( - 2)
= ( 9-2) x (-2)
= 7 x -2
= - 14
Step-by-step explanation:
Answer:
The equation would be 7.50x + 15=90
Step-by-step explanation:
So the the total you are trying to find is 90. So the equation would equal 90. Now since we are trying to find a unknown variable we use x. This results in 7.50x. Now 15 is a known variable so it will just stay the same. The amount of hours would be 10.
Answer:
Option A.
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above