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2 years ago

Please help!!! Thank you!

Mathematics

1 answer:

True [87]2 years ago

5 0

Answer:

A and C

Step-by-step explanation:

Perpendicular lines have reciprocal and opposite slopes.

First slope =3,

Second = -3

Third slope = -1/3 (which is opposite and reciprocal to the first)

Last slope = -3

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david a high school senior was wondering if the cost of attending college is worth the expense. he collected the following data

dimulka [17.4K]

Answer:

Part A: Based on the information collected, who will have the higher mean annual salary?

College graduates have a higher mean by about $20,000

Part B: If you were to graph this data, what would be important to consider?

The data should be graphed on the same axis and scale so comparisons are possible

Step-by-step explanation:

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2 years ago

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Firdavs [7]

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In triangle A B D , the measure of angle A is 10 degree less than the measure of angle B . The measure of angle D is 20 degree m

elixir [45]

Answer:

Measure of angle A is 27 7/9 degrees.

Step-by-step explanation:

Lets call measure of angle A is X-10

Lets call measure of angle B is X

Lets call measure of angle D is 2.5X+20

We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

X=37 7/9

So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

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2 years ago

What is the output of the function when the input is 0

bearhunter [10]

Answer:

y = -1

Step-by-step explanation:

Any ordinate pair (x, y) represents the input output values of a function to be graphed.

For any input value of x, there will be an output value (y).

If input value for the graph attached is x = 0,

Output value will be represented by the y-value along y-axis as, y = -1

Therefore, y = -1 will be the answer.

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3 years ago

A vase has the shape of a rectangular prism. The inside of the vase is also a rectangular prism. What is the volume of the solid

saw5 [17]

Answer:

$V_{s} = \frac{\pi}{4}\cdot D_{out}^{2} \cdot h -\frac{\pi}{4}\cdot (D_{out}-2\cdot t)^{2}\cdot (h-t)$

Step-by-step explanation:

The geometric description of the vase is described in the image attached below. The volume of the solid part of the vase is:

$V_{s} = V_{out} - V_{in}$

$V_{s} = \frac{\pi}{4}\cdot D_{out}^{2} \cdot h -\frac{\pi}{4}\cdot (D_{out}-2\cdot t)^{2}\cdot (h-t)$

Where:

$D_{out}$ - Outer diameter, in centimeters.

$t$ - Vase thickness, in centimeters.

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2 years ago