If there are 4 trucks for every 5 animals, then how many trucks would there be if there were 20 animals?

Mathematics

2 answers:

mel-nik [20]3 years ago

7 0

There would be 16 trucks if there was 20 animals

notsponge [240]3 years ago

3 0

Answer:

the answer would be 4 trucks

Step-by-step explanation:

5 x 4 = 20

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Please help I have no idea what the answer is

coldgirl [10]

Answer:

x = 34

Step-by-step explanation:

This is a right angle. This means that the square to the bottom right is 90 degrees. There is also an angle that is 124, but that is a linear pair to the angle on the inside. This means that 124+__=180 degrees

180-124= 56

So now we know 2 angles, which are 90 degrees and 56 degrees. Because we know that the sum of the angles of a triangle equal 180 degrees, we can subtract 90 and 56 from 180 to get our answer, 34.

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3 years ago

Evaluate. Write your answer in simplified, rationalized form. Do not round.

borishaifa [10]

Answer:

cos(45°) = (√2)/2

Step-by-step explanation:

The cosine of 45° is the x-coordinate of the point on the unit circle where the line y=x intersects it. That is, it is the positive solution to the equation ...

x^2 +x^2 = 1

x^2 = 1/2 = 2/4 . . . . . collect terms, divide by 2, express the fraction with a square denominator

x = √(2/4) . . . . . . take the square root

x = (√2)/2 . . . . . simplify

The cosine of 45° is (√2)/2.