2 years ago

95 is 95% of what number

1 answer:

3 0

Percent means per 100. So, 95 is 95% of 100.

Or, if you want a verbose explanation:

95% of x = 95

∴ (95/100) * x = 95

∴ x = 95 / (95/100)

∴ x = 95 * 100 / 95

∴ x = 100

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Triangle A″B″C″ is formed by a reflection over x = −1 and dilation by a scale factor of 4 from the origin. Which equation shows

juin [17]

Answer:

$\frac{AB}{A''B''} = \frac{1}{4}$

Step-by-step explanation:

Given the information:

A'B'C' reflection over x = −1
dilation by a scale factor of 4 from the origin

<=> the two triangles are similar to each other, triangles are similar if they have the same shape, but can be different sizes, so A″B″C″ is 4 time bigger than ABC

=> the relationship between ΔABC and ΔA″B″C″

= $\frac{AB}{A''B''} = \frac{1}{4}$

We choose C.

Hope it will find you well.