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3 years ago

A figurine of a lighthouse is shown. if the actual lighthouse is 30feet wide, how tall is the lighthouse

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

6 0

Answer:

30× 60 ( 3×2= 6 + tens= 60 )= minimum- 180 fery

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12. Use a trigonometric ratio to find the measure of O in the triangle below. Give your answer to the nearest degree.

larisa [96]

Given :-

A right angled triangle with two sides 10cm and 9cm .

To Find :-

The value of theta .

Solution :-

At angle theta , 9cm side will be considered as the perpendicular and 10cm side will be hypotenuse . So , as we know that ;

$\longrightarrow sin\theta =\dfrac{perpendicular}{hypotenuse}$

Substituting the respective values,

$\longrightarrow sin\theta =\dfrac{9cm}{10cm}$

Simplify,

$\longrightarrow sin\theta= 0.9$

Take arcsin both sides ,

$\longrightarrow \theta =sin^{-1}(0.9)$

$\\\longrightarrow\underline{\underline{\theta = 64.15^o }}$

Hence the required answer is 64.15° . 

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2 years ago

How can you use two-way tables to solve for probabilities?

Alona [7]

Answer:

A two-way table is a way to organise data about two specific variables. This example shows a two-way table where the variables are gender and favourite sport.

Step-by-step explanation:

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2 years ago

A martial artist is practicing breaking 5 boards. He is able to break a board with probability 0.8. (a) What is the probability

konstantin123 [22]

Answer:

(a) = 0.32 or 8/25

(b) = 0.48 or 12/25

Step-by-step explanation:

(a):

0.8 x 2/5

8/10 x 4/10

(8 x 4) / (10 x 10)

(32) / (100)

0.32 or 8/25

(b):

0.8 x 3/5

8/10 x 6/10

(8 x 6) / (10 x 10)

(48) / (100)

0.48 or 12/25

(c):

0.8 x 5

8/10 x 50/10

(8 x 50) / (10 x 10)

(400) / (100)

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3 years ago

The final velocity of an object moving in one dimension is given by the formula v = u + at, where u is the

kodGreya [7K]

The answer is the last one

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3 years ago

Math question (working too, if possible)

inessss [21]

4/15 of the Primary School chose chicken nuggets.

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3 years ago

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