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3 years ago

The mass of hintos math book is 4458 grams. What is the mass of 4 math books in kilograms

Mathematics

2 answers:

Nutka1998 [239]3 years ago

6 0

Answer: 17.832 kg
Solution: (4458 grams)*(4 books)* $\frac{1kg}{1000grams}$ = 17.832 kg

Misha Larkins [42]3 years ago

6 0

To change from gram to kilograms you move the decimal 3 places to the left.
4458 grams is 4.458 kilograms

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Oksana_A [137]

Answer:

Step-by-step explanation:

Given the function :

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2 years ago

Q1 [5]

ValentinkaMS [17]

Answer:

The required drawing showing the cliff, river, and tower as well as the details in the question is attached, please find alongside the answer

The width of the river is approximately 51.55 meters

Step-by-step explanation:

The height of the observation tower = 11 meters

The angle of elevation of the cliff top and the opposite side of the river = 20°

The angle of elevation of the tower top and the opposite side of the river = 30°

Therefore, by sine rule, we have;

h/sin(20) = w/sin(60)

11/sin(10) = length, l/sin(60)

l = sin(60) ×11/sin(10) ≈ 54.86 meters

w = l × cos (20) = 54.86 meters × cos (20) ≈ 51.55 meters

The width, w, of the river is approximately 51.55 meters.

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