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2 years ago

What is the missing number?38/152 19/?

Mathematics

1 answer:

yulyashka [42]2 years ago

8 0

Answer:

Step-by-step explanation:

Hope this helps

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All of the following are types of triangles except

prisoha [69]

C. reflex, because all of the others are triangles

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2 years ago

When pointing A(-6. - 12) is reflected over the y-axis to get point B, what are the

Fudgin [204]

Answer:

Step-by-step explanation:

under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

A (- 6, - 12 ) → B (6, - 12 )

4 0

1 year ago

Analyze the diagram below and complete the instructions that follow.

miv72 [106K]

<h3>Answer: 5/12 (choice C)</h3>

Explanation:

Recall that tangent = opposite/adjacent.

For reference angle M, the side ON = 5 is the opposite side and MN = 12 is the adjacent side. We don't need the hypotenuse.

6 0

2 years ago

It is given that y varies inversely as x^2. If x is decreased by 50%, find the percentage change in y.

vova2212 [387]

Answer:

300%

Step-by-step explanation:

Given

$y\ \alpha\ \frac{1}{x^2}$

Required

Find the percentage change in y when x decreased by 50%

First, convert to equation

$y\ = \ \frac{k}{x^2}$

Where k is the constant of proportionality

When x decreased by 50%

$Y = \frac{k}{(x - 0.5x)^2}$

$Y = \frac{k}{(0.5x)^2}$

$Y = \frac{k}{0.25x^2}$

Expand

$Y = \frac{1}{0.25} * \frac{k}{x^2}$

Substitute $\frac{k}{x^2}$ for y

$Y = \frac{1}{0.25} * y$

$Y = 4 * y$

$Y = 4 y$

The percentage change is then calculated as:

$\%Change = \frac{Y - y}{y} * 100\%$

$\%Change = \frac{4y - y}{y} * 100\%$

$\%Change = \frac{3y}{y} * 100\%$

$\%Change = 3 * 100\%$

$\%Change = 300\%$

<em>The percentage in y is 300%</em>

7 0

2 years ago

Find the volume of the solid figure

ololo11 [35]

8x4x11 - (4x1x3)
352 - 12
= 340

The answer is 340yd^3

5 0

2 years ago

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