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Sidana [21]
3 years ago
9

1. If i have 16 triangles. How many would be needed for me to shade if i had a percentage of 75%.

Mathematics
2 answers:
AVprozaik [17]3 years ago
7 0
75% is equal to 3/4 so 3*16 =48/4 which leaves you with 12
2. 25% is equal to 1/4 so 24/4 leaves you with 6 making that the amount
mezya [45]3 years ago
3 0
1. To get the result we have to find 75% of 16.
75%=0.75
0.75*16=12 - you should shade 12 triangles.
2. Similar situation
25%=0.25
0.25*24=6 - you should shade 6 triangles
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Given the two functions, which statement is true?
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Answer:

Option D

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f(x) = \text{log}_{15}x

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Property of vertical stretch or compression of a function,

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Transformed function → m(x) = kx

Here, k = scale factor

1). If k > 1, function is vertically stretched.

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From the given functions, k = \frac{1}{2}

Since, k is between 0 and \frac{1}{2}, function f(x) is vertically compressed by a scale factor \frac{1}{2}.

g(x) = f(x + 4) represents a shift of function 'f' by 4 units left.

g(x) = f(x - 4) represents a shift of function 'f' by 4 units right.

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Therefore, function f(x) has been shifted by 4 units left to form image function g(x).

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8 0
3 years ago
To Rationalize the denominator of 5-√7/9-√14, you should multiply the expression by which fractions?
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<u>Answer</u>

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<u>Explanation</u>

To Rationalize the denominator of 5-√7/9-√14.

To rationalize this we multiply both the denominator and denominator by the conjugate of the denominator.

The denominator is 9-√14 and its conjugate is (9+√14).

(5-√7)/(9-√14) = (5-√7)(9+√14)/(9-√14)(9+√14)

                        =  (5-√7)(9+√14)/(9²-14)

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                        = (45 + 5√14 - 9√7 - 7√2)67

This is the rationalized expression.  

The denominator is (9-√14) and its conjugate is (9+√14).

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