$\dfrac{8^{3x}}{2^{10}}=\dfrac{4^{2x}}{16} \\\dfrac{2^{3(3x)}}{2^{10}}=\dfrac{4^{2x}}{4^2} \\2^{9x-10}=4^{2x-2} \\2^{9x-10}=2^{2(2x-2)} \\2^{9x-10}=2^{4x-4} \\9x-10=4x-4 \\5x-6=0 \\5x=6 \\\boxed{x=\dfrac{6}{5}}$

Hope this helps.

r3t40

3 0

3 years ago

What interest rate is needed

KatRina [158]

Answer:

How to calculate interest rate

Step 1: To calculate your interest rate, you need to know the interest formula I/Pt = r to get your rate. ...

I = Interest amount paid in a specific time period (month, year etc.)

P = Principle amount (the money before interest)

t = Time period involved.

r = Interest rate in decimal.

5 0

2 years ago

Pleeeease help me! True or false

zloy xaker [14]

False, since it we substitute x = 4 into the equation we get y = -4 + 3 = -1

8 0

3 years ago

Each car can hold 5 students and each minibus can hold 15 students.

Ipatiy [6.2K]

Answer:

5x+15y=85

Step-by-step explanation:

X and Y are the unknown variables, just add them to 5,(cars), and 15 (minibus)

5 0

2 years ago