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Serjik [45]
2 years ago
10

I need help on this question as soon as possible

Mathematics
2 answers:
a_sh-v [17]2 years ago
8 0

Answer:

Rotation 90 CW

Step-by-step explanation:

Can I have Brainliest?

cupoosta [38]2 years ago
4 0

Answer:

choice 2)  rotation 90 CW

Step-by-step explanation:

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one leg of a right triangle is 5 millimeters shorter than the longer leg and the hypotneuse is 5 millimeters longer than the lon
Makovka662 [10]
The answer, in short, is that the short leg equals 15 mm, the long leg equals 20 mm, and the hypotenuse equals 25mm. but if you'd like to see how I solved it, here are the steps.
-----------------------------
The Pythagorean theorem (also known as Pythagoras's Theorem) can be used to solve this. This theorem states that one leg or a right triangle squared plus the other side of that same triangle squared equals the hypotenuse of that triangle squared. To put it in equation form, L² + L² = H².

Let's call the longer leg B, the shorter leg A, and the hypotenuse H.
From the question, we know that A = B - 5, and H = B + 5. 

So if we put those values into an equation, we have (B - 5)² + B² = (B + 5)²

Now, to solve. Let's square the two terms in parentheses first:
(B² - 5B - 5B + 25) + B² = B² + 5B + 5B + 25

Now combine like terms:
2B² -10B + 25 = B² + 10B + 25

And now we simplify. Subtract 25 from each side:
2B² - 10B = B² + 10B

Subtract B² from each side:
B² - 10B = 10B

Add 10B to each side:
B² = 20B

And finally, divide each side by B:
B = 20

So that's the length of B. Now to find out A and H.
A = B - 5, so A = 15.
H = B + 5, so H = 25.

And your final answer is A = 15mm, B = 20mm, and H = 25mm
7 0
3 years ago
A bench is 4 meter long. How long are 5 benches if they are placed from end to end? ​
sineoko [7]

Answer:

20m

Step-by-step explanation:

4 x 5 = 20

therefore the 5 benches are 20m long

3 0
3 years ago
5x-9=15+11x<br><br> The solution for x is x=?
Wittaler [7]

Answer:

x = -4

Step-by-step explanation:

   5x-9 = 15+11x

5x - 11x = 15 + 9

      -6x = 24

         x = -4

5 0
2 years ago
Read 2 more answers
What is the term of the highest degree in the expression 3x2y-5xy7+8x4y5-6xy
skelet666 [1.2K]

Answer:

seems hard

Step-by-step explanation:

YEEEEET IT AWAY

4 0
2 years ago
Describe how to find the vertex of a parabola if you are given the equation
emmainna [20.7K]

Answer:

The vertex of a parabola is (h,k)

Step-by-step explanation:

The vertex form of a parabola is y=a(x-h)^2+k where a is the stretch/compression factor and (h,k) is the vertex. So to find the vertex, you will need (h,k) which represents the horizontal and vertical shift of the parabola

3 0
3 years ago
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