A plane flying overhead at night is located by two

Mathematics

1 answer:

Gemiola [76]3 years ago

6 0

Answer:

Step-by-step explanation:

Let the distance of two consecutive stones are x, x+1.

In ΔBCD, we have

tan60

⇒x=

.....(i)

In ΔABC, we have

tan30

x+1

⇒

x+1

⇒

+1=

h ......[from equation (i)]

⇒

⇒h=

solution

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PLEASE HELP WILL MARK BRAINLIEST THANK U

Naddika [18.5K]

Answer:

89°

Step-By-Step Explanation:

<WYT is the angle 4

<UYW is the angle 5

since angle 4 and 5 are on the same line and

anngle 4 is 91°,

180° - 91° = 89°

This shows that <UYW is 89°

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3 0

2 years ago

Howard invested $5,000 in Certificate of Deposit (CD) that pays 3.75% interest. compounded weekly. What is the value of the CD a

blsea [12.9K]

Answer:

The value of the CD at the end of the 4 years is $5,808.86.

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

$A(t) = P(1 + \frac{r}{n})^{nt}$

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

Howard invested $5,000 in Certificate of Deposit (CD) that pays 3.75% interest.

This means that $P = 5000, r = 0.0375$