Answer:
x = 10
Step-by-step explanation:
Using the rules of logarithms
• log x + log y ⇔ log(xy)
• log
⇔ n log x
• log x = log y ⇒ x = y
Given
ln20 + ln5 = 2 lnx , then
ln(20 × 5) = ln
ln 100 = ln, hence
x² = 100 ( take the square root of both sides )
x = 10
thanks for the message !!
130 percent
Of means multiply
P * 800 = 1040
Divide by 800
P * 800/800 = 1040/800
P = 1.3
Multiply by 100 to get percent
130 percent
Answer:
A. 13
B. 11
Step-by-step explanation:
The graph shown in the picture is a hyperbola. It can be shown that the center lies on the line of symmetry. In this case, it can be seen that center of the hyperbola is at (3,-5). A hyperbola has an equation of x^2/a - y^2/b =1. a and b are the units between the two curves. a and b are both equal to 4. SInce the center is (3,-5), the equation of the parabola is (<span>x-3)^2/4 - (y+5)^2/4 =1.</span>
