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3 years ago

The side lengths of a triangle are 6, 8, and 12. Is this a right triangle?

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

8 0

<h2><u>D.</u></h2><h3>It's incorrect, because 6 squared = 36, 8 squared = 64, add them together and you get 100. 12 squared does NOT equal 100, it equals 144.</h3>

<em>(To find the hypotenuse {longest side of the triangle}, you square the two short sides, add them together, and finally, divide it by the provided number, and see if the number matches the provided number's square.)</em>

<h3>Brainly if correct and Thanks!</h3>

dlinn [17]3 years ago

7 0

Answer:

D) No, because 6²+8²≠12²

Step-by-step explanation:

In order for it to be a right triangle, the sum of the squares of the side lengths must be equal to the square of the hypotenuse.

In this case, 6^2+8^2=36+64=100. Since 100≠144, this means that option D is correct

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A scientist cools some water at a constant rate. the graph and table show how the temperature of the water changes with time.

irina1246 [14]

Answer:

Step-by-step explanation:

The easiest way to determine this is to realize that time is the independent variable (n) and temperature is the dependent variable (a).

From the table, we can plug in the two points (n) into n of each equation and see if that equals the temperature values (a).

<em>A little thinking would get us to plug the numbers in C first.</em>

<em>Works!!</em>

<em>Now, second number:</em>

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<em>Hence, C is the correct answer.</em>

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3 years ago

Read 2 more answers

Solve the inequality.

kaheart [24]

Answer:

B: $x>\frac{3}{2}$

Step-by-step explanation:

$12\left(\frac{1}{2}x-\frac{1}{3}\right)>8-2x$

Expand:

$6x-4>8-2x$

Add 4 to both sides:

$6x-4+4>8-2x+4$

$6x>-2x+12$

Add 2x to both sides:

$6x+2x>-2x+12+2x$

$8x>12$

Divide both sides by 8:

$\frac{8x}{8}>\frac{12}{8}$

Hence, $x>\frac{3}{2}$ (Option B)

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3 years ago

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I don’t know what to do?

scZoUnD [109]

Answer:

I geuss because the scale factor is 2 that the resulting triangle will be almost twice the size. Because in a dilation you multiply it. If you dont know how to dilate a triangle with a compass I would suggest looking for a video online. But I know for the part that says "Is the image of ABC similar to the original triangle" the answer would be yes it is similar because you are just dilating the triangle not changing its orientation. I hope this helps! Good luck!

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2 years ago

Please help thank you vv much

Scorpion4ik [409]

Answer:

J. 19.3g/mL

Step-by-step explanation:

To get the density, the formula would be mass divided by volume. So that would mean 463.2 divided by 24.0. That would leave 19.3 g/mL.

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3 years ago

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Paraphin [41]

Hope you find you're answer

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3 years ago