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irina [24]
3 years ago
8

Calculate the compound interest on an investment of R6500 at 7,5% per annum invested for 3 years​

Mathematics
1 answer:
Lemur [1.5K]3 years ago
3 0

Answer:

Compound interest = Rs 1,575 (Approx.)

Step-by-step explanation:

Given:

Amount invested = R.s 6,500

Rate of interest = 7.5% per annum

Number of year = 3 year

Find:

Amount of compound interest

Computation:

Compound interest = P[(1+r)ⁿ - 1]

Compound interest = 6500[(1+7.5%)³ - 1]

Compound interest = 6500[(1+0.075)³ - 1]

Compound interest = 6500[(1.075)³ - 1]

Compound interest = 6500[1.2423 - 1]

Compound interest = 6500[0.2423]

Compound interest = 1574.95

Compound interest = Rs 1,575 (Approx.)

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An airplane must clear a 60-foot pole at the end of a runway 500 yards long determine the angle of elevation at which the airpla
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Answer:

2.3 degrees.      

Step-by-step explanation:

Please find the attachment.

We are told that an airplane must clear a 60-foot pole at the end of a runway 500 yards long.

Let us convert 500 yards to feet.

1 yard= 3 feet.

500 yards= 3*500 feet= 1500 feet.

We can see from our attachment pole and runway are in form of a right triangle. The pole is opposite to angle of elevation of plane and length of runway is adjacent.

Since tangent represents the relation between opposite and adjacent of right triangle, So we will use tangent to find angle of elevation that plane must ascend to clear the pole.  

tan(\theta)=\frac{60}{1500}    

\theta=\tan^{-1}(\frac{60}{1500} )

\theta=\tan^{-1}(0.04)

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Therefore, the airplane must ascend 2.3 degrees to clear the pole.

8 0
3 years ago
John has $80. Every week, he spends $7.Create an equation that represents How much money, m, in dollars, will he have after the
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Step-by-step explanation:

7 0
3 years ago
Need help with working perimeter and area please
SVETLANKA909090 [29]

Answer:

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Step-by-step explanation:

The figure given shows a rectangle that has a cut triangular portion.

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= L*W + ½*bh

Where,

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W = 12 m

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✔️Perimeter = perimeter of rectangle - base of the triangular cut portion

= 2(L + W) - b

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W = 12 m

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3 years ago
Help me with this please !
andriy [413]
The y intercept is 3 because that is where the point aligns to the axis
3 0
3 years ago
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How can i solve 5×23×2
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multiply 5 and 2 then that with 23.

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3 years ago
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