Answer:
The rate is 6.43%
Step-by-step explanation:
Given
--Interest
-- Principal
--Time
Required
Determine the rate
Using simple interest formula:
Make R the subject
Convert time to years
Substitute values for I, P and T
Convert to percentage
Answer:
One solution.
Step-by-step explanation:
Step 1: Write equation
5(x + 2) - 3 = 3x - 8x + 7
Step 2: Solve for <em>x</em>
<u>Distribute 5:</u> 5x + 10 - 3 = 3x - 8x + 7
<u>Combine like terms:</u> 5x + 7 = -5x + 7
<u>Add 5x to both sides:</u> 10x + 7 = 7
<u>Subtract 7 on both sides:</u> 10x = 0
<u>Divide both sides by 10:</u> x = 0
Step 3: Check
<em>Plug in x to verify if it's a solution.</em>
5(0 + 2) - 3 = 3(0) - 8(0) + 7
5(2) - 3 = 7
10 - 3 = 7
7 = 7
Answer:
x2
Step-by-step explanation:
In 5x, 5 is a constant and therefore if we double x we will double 5 too.
Answer:
Step-by-step explanation:
All of them are correct except the first and second one. ( 53 km = 53,000m) (23 cm = 230mm)
