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3 years ago

if the principal is $350 and the interest rate is 3 percent what is the simple interest earned in one year?

Mathematics

2 answers:

Andrej [43]3 years ago

6 0

I = PRT

I = (350)(0.03)(1)
I = 10.50 <==

Elina [12.6K]3 years ago

4 0

Answer: Hence, Simple interest earned in one year is $10.5.

Step-by-step explanation:

Since we have given that

Principal amount = $350

Rate of interest = 3%

Time = 1 year

As we know the formula "Simple Interest ", i.e.

$I=\frac{P\times R\times T}{100}\\\\I=\frac{350\times 3\times 1}{100}\\\\I=\$10.5$

Hence, Simple interest earned in one year is $10.5.

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the surface area of a cuboid is 95cm² and its lateral surface area is 63cm². find the area of its base

wel

Answer:

The Area of the base is 16 cm² .

Step-by-step explanation:

Given as :

The surface area of the cuboid = x = 95 cm²

The lateral surface area of the cuboid = y = 63 cm²

Let The Area of the base = z cm²

Now, Let The length of cuboid = l cm

The breadth of cuboid = b cm

The height of cuboid = h cm

According to question

∵ The surface area of the cuboid = 2 ×(length × breadth + breadth × height + height × length)

Or, x = 2 ×(l × b + b × h + h × l)

Or, 95 = 2 ×(l × b + b × h + h × l)

Or, (l × b + b × h + h × l) = $\dfrac{95}{2}$ ....1

Similarly

∵lateral surface area of the cuboid = 2 ×(breadth × height + length × height)

Or, y = 2 ×(b × h + l × h)

Or, 2 ×(b × h + l × h) = 63

Or, (b × h + l × h) = $\dfrac{63}{2}$ ......2

Putting value of eq 2 into eq 1

so, (l × b + $\dfrac{63}{2}$ ) = $\dfrac{95}{2}$

Or, l × b = $\dfrac{95}{2}$ - $\dfrac{63}{2}$

Or, l × b = $\dfrac{95 - 63}{2}$

i.e l × b = $\dfrac{32}{2}$

so, l × b = 16

Now, Again

∵The Area of the base = ( length × breadth ) cm²

So, z = l × b

i.e z = 16 cm²

So, The Area of the base = z = 16 cm²

Hence,The Area of the base is 16 cm² . Answer

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3 years ago

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3 years ago

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tia_tia [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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2 years ago

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Answer:

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we know that

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