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Ainat [17]
3 years ago
7

URGENT!! EASY IM DUMB MY LAST QUESTION WILL FOREVER BE GRATEFUL PLS HELP WILL GIVE BRANLIEST!! AT LEAST TAKE A LOOK!!!! PLS I AM

BEGGING!!!
YOU HAVE TO LOOK CLOSLY TO SEE THE NUMBERS ON THE TRIANGLE
IN CASE YOU CANNOT ON THE LEFT IT IS 15CM AND ON THE BOTTOM IT IS 14 CM

Find the unknown side of the triangle below (round to the nearest tenth).
A) 20.5 cm
B) 210.5 cm
C) 5.4 cm
D) 16 cm

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Answer:

A. 20.5

Step-by-step explanation:

We can use the Pythagorean theorem to solve this equation for the missing side length, X.

a^2 + b^2 = c^2

We have a and b, we just need c, the hypotenuse.

14^2 + 15^2 = c^2

196 + 225 = c^2

421 = c^2

Now, we will square both sides:

The answer is about 20.5

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What is the reflection in the x-axis & what’s the reflection in line y=x?
marishachu [46]

Answer:

  a) (3, -4), (2, 4), (-5, -6)

  b) (4, 3), (-4, 2), (6, -5)

Step-by-step explanation:

a) Reflection in the x-axis negates the y-coordinate:

  (x, y) ⇒ (x, -y)

  (3, 4) ⇒ (3, -4)

  (2, -4) ⇒ (2, 4)

  (-5, 6) ⇒ (-5, -6)

__

b) Reflection in the line y=x swaps the x- and y-coordinates:

  (x, y) ⇒ (y, x)

  (3, 4) ⇒ (4, 3)

  (2, -4) ⇒ (-4, 2)

  (-5, 6) ⇒ (6, -5)

8 0
3 years ago
Find he measure of xi<br> 5x-2<br> H
Aleks [24]
I think it’s-10. Hope it’s right.
5 0
3 years ago
Plz I need help help me plzzzz
Annette [7]

Answer:

4400

Step-by-step explanation:

15 percent is 660

this means 1 percent is 44

this means 100 percent is 4400

please give me brainliest!<3

5 0
3 years ago
Pls, answer this first CORRECT answer gets the best everything!!
Tomtit [17]

Answer:

9.1 x 10² = 910

9.1 / 10² = 0.091

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
15) What is the measure, in degrees, of an angle that is equivalent to 3/360 of a circle
blsea [12.9K]

There are exactly 360° in a circle, so the angle measure would be 3/360 * 360 = 3°.

5 0
3 years ago
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