3 years ago

I need help proving a few trigonometric identities.

Mathematics

1 answer:

ryzh [129]3 years ago

5 0

Answer:

i have solved them . if u can't understand. .. ask me XD

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QUESTION 4 If 1 foot = 0.37 metres and 1 mile = 5,180 feet, find the number of kilometres in 15 miles. show how to work out the

Andreas93 [3]

Answer:

28.749 km

Step-by-step explanation:

in reality

1 foot = 0.3048 meters not 0.37

1 mile = 5,280 feet not 5,180

15 miles = 24.14016 kilometers

---------------------------

Using the numbers stated in the problem

0.37m/ft * 5180ft/mile * 15mile * 1km/1000m = 28.749 km

4 0

2 years ago

What is log15 2^3 rewritten using the power property?

OlgaM077 [116]

ANSWER

$log_{15}( {2}^{3} ) = 3 \: log_{15}( {2} )$

EXPLANATION

According to the power property of logarithms:

$log_{x}( {y}^{n} ) = n \: log_{x}( {y} )$

The given logarithm is

$log_{15}( {2}^{3} )$

When we apply the power property to this logarithm, we get,

$log_{15}( {2}^{3} ) = 3 \: log_{15}( {2} )$

8 0

3 years ago

Read 2 more answers

What option is correct: A or B

Yuliya22 [10]

The image isn’t visible. Would recommend reposting

5 0

3 years ago

ali goes for cycle ride. he starts at 3pm . he finished at 5 38pm .he has a total of 25 minutes rest during the ride. how long h

nordsb [41]

Answer:

two hours and thirteen minutes.

Step-by-step explanation:

count up from 3pm to 5pm to start with. That gives you two hours

we already have 38 minutes, now just subtract the 25 minutes he spent resting.

That leaves you with 2 hours and 13 minutes.

Correct me if I'm wrong I'm currently responding to this at a major lack of sleep lol

4 0

2 years ago

Does the function model exponential growth or decay?<br> h(t) = 0.25 · 1.56

boyakko [2]

Answer:

this function model grows.

Step-by-step explanation:

The value of b, 1.56, is greater than 1.

7 0

3 years ago