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lapo4ka [179]
2 years ago
14

Figure A is a dilation of Figure B by a scale factor of 3. What's is the scale factor of Figure B to Figure A

Mathematics
1 answer:
mylen [45]2 years ago
7 0
I think it might be 3 to 1
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3 A set consisting of no element is
Andrews [41]

Answer:

The set is called a null set

Step-by-step explanation:

Because it has no members

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Please help! This assignment is due soon! (In The photo)
eimsori [14]

Answer

Elena must have substracted 1/2x from both sides of the equation.

Lin must have multiplied both sides of the equation by 2

Explanation

The equation given is

\frac{1}{2}x+3=\frac{7}{2}x+5

For Elena to have arrived at

3=\frac{7}{2}x-\frac{1}{2}x+5

Then Elena must have substracted 1/2x from both sides of the equation.

That is;

\begin{gathered} \frac{1}{2}x+3=\frac{7}{2}x+5 \\ \text{Substracting }\frac{1}{2}x\text{ from both sides of the equation will give Elena first step} \\ \frac{1}{2}x+3-\frac{1}{2}x=\frac{7}{2}x+5-\frac{1}{2}x \\ 3=\frac{7}{2}x-\frac{1}{2}x+5 \end{gathered}

For Lin to have arrived at

x+6=7x+10

It shows Lin must have multiplied both sides of the equation by 2

That is;

\begin{gathered} \frac{1}{2}x+3=\frac{7}{2}x+5 \\ \text{Multiply both sides of the equation by the lowest common mutiple } \\ \text{of the denominator which is 2.} \\ \frac{1}{2}x(2)+3(2)=\frac{7}{2}x(2)+5(2) \\ x+6=7x+10 \end{gathered}

4 0
1 year ago
What's the median of these numbers:<br> 14,20,24,16,20,18
faltersainse [42]
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nlexa [21]

Answer:

x = y = 2√2

Step-by-step explanation:

Find the diagram attached

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Hypotenuse = 4

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x = 4 sin 45

x = 4 * 1/√2

x = 4 * 1/√2 * √2/√2

x = 4 * √2/√4

x = 4 * √2/2

x = 2√2

Similarly;

cos theta = adjacent/hypotenuse

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y = 4cos45

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2 years ago
Laura spent 78.5 of her paycheck on her mortgage payment. If her mortage was 1,226.17 how much was her paycheck
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Answer:

1147.67! :)

Step-by-step explanation:

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