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Arte-miy333 [17]
2 years ago
7

A navigator on a boat measures the angle between the course of the boat and the lighthouse on shore to be 70 degrees. After the

boat has traveled 3000 m, the navigator measure the angle to be 100 degrees. How far, to the nearest metre, was the boat from the lighthouse at the time of the first sighting?

Mathematics
1 answer:
SCORPION-xisa [38]2 years ago
3 0

hi pls where can I get physics questions on checking the correctness of an equation using dimensional analysis

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In a right triangle, sin(40 - 2) = cos(32)'. What is the value of x?
o-na [289]

Answer:

x = 25

Step-by-step explanation:

Correct question

In a right triangle Sin (40-x)=cos(3x) what is the value of x

Since Sin theta = Cos(90-theta)

Sin (40-x) = Sin(90-3x)

40 - x = 90 - 3x

-x+3x = 90 - 40

2x = 50

x = 25

Hence the value of x is 25

5 0
3 years ago
A company that manufactures toothpaste is studying five different package designs. Assuming that one design is just as likely to
Vesna [10]

Answer:

20%

Step-by-step explanation:

p(outcomes)=#of favourable outcomes/#of possible outcomes

=1/5

=0.2

=20%

7 0
3 years ago
A person takes up 24 inches of space on a stadium bleacher. If one row of bleachers is 150 feet long and there are 20 rows of bl
Feliz [49]

Answer:

1,500 people

Step-by-step explanation:

Remember that

1\ ft= 12\ in

Convert ft to in

150\ ft=150*12=1,800\ in

<em>Divide the length of a row by the space occupied by one person</em>

1,800/24=75\ persons

<em>Multiply by the number of rows to determine the total people that can fit into the stands</em>

75(20)=1,500\ people

3 0
3 years ago
there are 500 tickets for sale in A raffle. tickets cost $3 each, or $20 for A book of 10. All 500 tickets were sold, and $1350
KATRIN_1 [288]

Answer:

67 books of tickets

Step-by-step explanation:

-To get this, you just divide 1,350 by 20, and you will get 67!

5 0
2 years ago
Read 2 more answers
What is 10 to the power of -8
saw5 [17]

Answer:

\frac{1}{100000000}  

I hope this helps!

4 0
3 years ago
Read 2 more answers
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