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3 years ago

HELPPPPPPP!!!! 0÷0Find the RATIO and the EXACT VALUE of the given CscB.

Mathematics

1 answer:

AlekseyPX3 years ago

7 0

Answer:

Step-by-step explanation:

take angle B as reference angle

using cosec rule

cosec B=hypotenuse/opposite

cosec B=13/12

cosec B=1.08

B=cosec 67

B=67 degree

for ratio,

cosec B=13/12

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Step-by-step explanation:

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1. What is the compound interest of 75000 at 7.9% per annum compounded semi-annually in 3 years?

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3 years ago

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Step-by-step explanation:

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3 years ago

Ben walks 25 miles from home to work. If he walks the first 5 miles in 1 hour, the second 5 miles in 1.4 hours, the third 5 mile

natka813 [3]

<u>Answer:</u>

The total time taken to complete 25 miles is 7.6 hours.

Solution:

Ben walks 5 miles in 1 hour,

Second 5 miles in 1.4 hours,

Third 5 miles in 1.7 hours,

Last 5 miles in 1.8 hours

So he walked total 20 miles in (1+1.4+1.7+1.8) hours = 5.9 hours = 6 hours (approximately)

So his average speed is $\left(\frac{20}{6}\right)$ miles/hours = 3.33 miles/hours.

i.e. he travels 3.3 miles in 1 hour,

Then, he travels 1 miles in $\left(\frac{1}{3.3}\right)$ hours

Hence the total time he will take to walk 25 miles is $\left(25 \times\left(\frac{1}{3.3}\right)\right) \text { hours }$ $\Rightarrow \left(\frac{25}{3.3}\right) \text { hours } = 7.5757 hours$

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3 years ago

HELPPPPPPP!!!! 0÷0Find the RATIO and the EXACT VALUE of the given CscB.​

HELPPPPPPP!!!! 0÷0Find the RATIO and the EXACT VALUE of the given CscB.