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3 years ago

£2300 is invested for 4 years at 5% per year simple interest what is the total interest?

Mathematics

2 answers:

Mrac [35]3 years ago

5 0

Answer: interest = £460

Step-by-step explanation:

SI = prt / 100

SI = 2300 x .05 x 4

SI = 460

Tju [1.3M]3 years ago

5 0

Answer:

£460

Step-by-step explanation:

Investment= £2300

Time= 4 years

Interest rate= 5% PA simple

Total interest= £2300*4*5/100= £460

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The equivalent expression for (x + 4)^5 is $x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

The expression is given as:

$(x + 4)^5$

To expand the expression, we make use of Pascal triangle, where:

5:= 1 5 10 10 5 1

So, we have:

$(x + 4)^5 = 1 * x^5 * 4^0 + 5 * x^4 * 4^1 + 10 * x^3 * 4^2 + 10 * x^2 * 4^3 + 5 * x * 4^4 + 1 * x^0 * 4^5$

Evaluate the exponents

$(x + 4)^5 = 1 * x^5 * 1 + 5 * x^4 * 4 + 10 * x^3 * 16 + 10 * x^2 * 64 + 5 * x * 256 + 1 *1 * 1024$

Evaluate the products

$(x + 4)^5 = x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

Hence, the equivalent expression for (x + 4)^5 is $x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

Read more about binomial expressions at:

brainly.com/question/13602562

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3 years ago

Read 2 more answers