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3 years ago

1/4 as a whole number

Mathematics

1 answer:

Lana71 [14]3 years ago

6 0

Answer:

0.25

Step-by-step explanation:

It cant become a whole number but it can become a decimal. In order for it to become a whole number such as 1 or 50.0 (you dont have to put the .0 if it has no numbers behind the decimals) you need to have a fraction with the denominator(bottom such as 15/10) smaller than the numerator (top such as 15/10) like so 15/10

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Find the area of the triangle with vertices: q(3,-4,-5), r(4,-1,-4), s(3,-5,-6).

maw [93]

Answer:

(√6)/2 square units

Step-by-step explanation:

The area of a triangle is half the magnitude of the cross product of the vectors representing adjacent sides.

QR = (4-3, -1-(-4), -4-(-5)) = (1, 3, 1)

QS = (3 -3, -5-(-4), -6-(-5)) = (0, -1, -1)

The cross product is the determinant ...

$\text{det}\left|\begin{array}{ccc}i&j&k\\1&3&1\\0&-1&-1\end{array}\right|=-2i+j-k$

The magnitude of this is ...

|QR × QS| = √((-2)² +1² +(-1)²) = √6

The area of the triangle is half this value:

Area = (1/2)√6 . . . . square units

3 0

3 years ago

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maks197457 [2]

Answer:

B and C are correct

Step-by-step explanation:

17/4 = 4.25

4 and 1/4 = 17/4

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2 years ago

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Lady bird [3.3K]

Answer:

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Explanation:

All of the other choices are ongoing decimals which make the irrational numbers

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Answer:

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Step-by-step explanation:

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