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3 years ago

HELP PLZ

Mathematics

1 answer:

Alja [10]3 years ago

3 0

B. the number of accidents was produced by 0.67 per every month

would most like be your answer.

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A flagpole casts a shadow of 10ft long. A girl standing nnext to the flagpole casts a shadow 2.5 ft. long.If the girl is 5 ft. t

loris [4]

Since we know that they have to e similar, it is a 20ft tall flagpole. the shadow of the girl is half of her height, so since the flag pole shadow is 10ft it is simple 10 multiplied by 2

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3 years ago

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Right triangles 1, 2,

Maru [420]

Answer:

2.2

Step-by-step explanation:

I did it on khan

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3 years ago

The sum of two numbers is 31.5. The difference is 5.25. Find the numbers

ANTONII [103]

X+y=31.5
x-y=5.25

add 2 equations
x+y+x-y=31.5+5.25
2x=36.75
x=18.375
y=31.5-18.375=13.125
check : 18.375+13.125=31.5, 18.375-13.125=5.25
so
Answer:
18.375 and 13.125

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3 years ago

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What is the equation of a line that passes through the point (3, 11) and is parallel to the line y=2x-4

Law Incorporation [45]

Answer:

The answer should be y=2x+5

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3 years ago

A jet is coming in for a landing. It's currently 25,000 feet in

Mariana [72]

The angle of depression is 29.0521°. So it is a safe landing.

Step-by-step explanation:

Step 1:

The plane is flying at a height of 25,000 feet and 45,000 feet away from the landing strip. Assume it lands with an angle of depression of x°.

So a right-angled triangle can be formed using these measurements. The triangle's opposite side measures 25,000 feet while the adjacent side measures 45,000 feet. The angle of the triangle is x°.

To determine the value of x, we calculate the tan of the given triangle.

$tanx = \frac{opposite side}{adjacent side}.$

Step 2:

The length of the opposite side = 25,000 feet.

The length of the adjacent side = 45,000 feet.

$tan x = \frac{25,000}{45,000} = 0.5555.$

So x = 29.0521°. Since x < 30°, it is a safe landing.

8 0

3 years ago