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3 years ago

11

How do I solve this x/2-1=x/5+2

1 answer:

Ainat [17]3 years ago

6 0

To solve this equation you need to solve for the variable x. There are more than one way you can to this but I find substitution method to be viable.

x=10, we know this because 10/2= 5 and 5-1=4. Also 10/5=2 and 2+2=4.

please vote my answer brainliest. thanks!

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over the next 30 years,some estimates place the worlds population going from roughly 7.2 billion people in the world to 10 billi

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Current impact in pollution units per day=21.6 billion pollution units per day

Step-by-step explanation:

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3 years ago

Find the annual interest rate.

slega [8]

The annual interest rate is 3.5%.

Solution:

Given Interest (I) = $26.25

Principal (P) = $500

Time (t) = 18 months

Rate of interest (r) = ?

Time must be in years to find the rate per annum.

1 year = 12 months

Divide the time by 12.

Time (t) = $\frac{18}{12}=\frac{3}{2}$ years

Now, find the rate of interest using simple interest formula.

<u>Simple interest formula:</u>

$$I=\frac{Prt}{100}$

$$26.25=\frac{500\times r\times \frac{3}{2} }{100}$

$$26.25\times 100 =500\times r\times \frac{3}{2}$

$$2625 =250\times r\times 3$

$$2625 =750\times r$

$$\Rightarrow r=\frac{2625}{750}$

⇒ r = 3.5%

Hence the annual interest rate is 3.5%.

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