MATHEMATICS MIDDLE SCHOOL

Sam is flying a kite. The length of the kite string is 80 meters, and it makes an angle of 75° with the ground. The height of the kite from the ground is meters.

Answers

Answer 1
Answer:

Answer:

THE HEIGHT OF THE KITE FROM THE GROUND=80mtr

Step-by-step explanation:

let H be the height of kite from ground

\sin\theta=(height)/(hypotenuse)

\sin\90=(H)/(80)

1=(H)/(80)

H=80meters

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10 POINTS! Please help me on the attached file!

Answers

Your answer is correct because 4.2 is half of 8.4 so 4.6 is double of 2.3.
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Maria studied the traffic trends in India. She found that the number of cars on the roads increases by 10% each year. If there were 80 million cars in year 1 of her study, how many more cars were on the road in year 3 compared to year 2?

Answers

Answer: 8.8 million


Step-by-step explanation:

Given: The number of cars in year 1= 80 million

As she  found that the number of cars on the roads increases by 10% each year.

Now, 10% of 80 million=0.10*80\ million=8\ million

Thus, the number of cars in year 2= 80 million+8 million=88 million

Now, 10% of 88 million=0.10*88\ million=8.8\ million

Thus, the number of cars in year 3= 88 million+8.8 million=96.8 million

Now, the difference in the cars in  year 3 compared to year 2=96.8 million-88 million

Thus, the difference in the cars in  year 3 compared to year 2=8.8 million
Year 2 is 88 million and in year 3 it is 96.8 million. 96.8 million-88 million it makes 8.8 million. So the answer is 8.8 million people.

Anna said the LCM of 8 and 12 is 4.Explain what Anna's mistake was.Then tell the correct answer.

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Anna did the GCF instead of the LCM. The correct answer is 24.

What is the length of the base of a right triangle with an area of 15 m² and a height of 3 m?

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Ok since it is a right triangle (1/2)bh = area
(1/2)b3 = 15

b=10m

Answer:

10 :D

Step-by-step explanation:

Choose the statement below that describes the roots and the discriminante for this quadratic equation.

Answers

Answer:

c or a

Step-by-step explanation:

Answer:

maybe c: not sure

Step-by-step explanation:

Which whole number is less than 1.10?

Answers

Answer:

1

Step-by-step explanation:

Answer:

es de 2; 3 ;4...

Step-by-step explanation:

all natural numbers greater than 1
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