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stira [4]
3 years ago
6

Is 5 m, 20 m, 25 m a right triangle

Mathematics
2 answers:
vlabodo [156]3 years ago
6 0

Answer:

No

Step-by-step explanation:

We can check this using the Pythagorean Theorem, a^{2} + b^{2}  = c^{2}.

First, we can plug our two smaller sides in for a and b, and the largest side in for c.,

5^{2} + 20^{2} = 25^{2}

Next, we can check the left side of the equation, which we find to be:

5^{2} = 25\\20^{2} = 400\\

Then, we can add these products and achieve the result of 425

Finally, we can solve the right side of the equation, which equals 625

As 425 ≠ 625, this equation fails the Pythagorean Theorem, and is therefor false.

Yuliya22 [10]3 years ago
3 0

Answer:

NO

Step-by-step explanation:

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HELP…this is probably easy…but still help.
andreev551 [17]

Answer:

A) The parallelogram is a rhombus

Step-by-step explanation:

A rhombus is an equally 4-sided figure with two acute angles and two obtuse angles opposite of each other.

4 0
2 years ago
If y =-5 when x =12.5 find x when y =15
Naily [24]

Answer:

x = -37.5

Step-by-step explanation:

Set up a proportion so -5/12.5 = 15/x

Solve for x so -5x = 15(12.5) so -5x = 187.5 so x = -37.5

6 0
3 years ago
Multiply (x-1)(x³+4x²+4x-1) and combine like terms. Explain how you reached your answer.
Hitman42 [59]

Answer:

x⁴+3x³ -5x +1

Step-by-step explanation:

To multiply this we are going to <u>multiply each term of the binomial by each term of the polynomial.</u>

(x-1)(x^{3}+4x^{2}  +4x-1)\\=x^4+4x^3+4x^2-x -x^3-4x^2-4x+1

Now we are going to <u>combine like terms (this means we are going to sum up terms with the same exponent)</u>

x^4+4x^3+4x^2-x -x^3-4x^2-4x+1 = x^4 +(4x^3-x^3)+(4x^2-4x^2)+(-x-4x)+1\\=x^4+3x^3-5x+1

Thus, the answer is x⁴+3x³ -5x +1

5 0
3 years ago
Does any body know this?? plss help
slega [8]

sorry ill give points back

it's this tally/nathan?

8 0
3 years ago
Which coordinates represent a translation of B (1,2) 3 units to the left and 2 units up
alexandr402 [8]

Answer:

(-2,4)

Step-by-step explanation:

By going 3 back you go 0,-1,-2 then you are already up 2 so if you go up 2 more you are at (-2,4). Hope this helps!

6 0
2 years ago
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