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BartSMP [9]
3 years ago
8

Hey I need help with the bottom part?

Mathematics
1 answer:
weqwewe [10]3 years ago
3 0
All of the answers?
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Determine if 9 is rational or irrational and give a reason for your answer.
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9 is an rational number because it is a whole number

Step-by-step explanation:

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A triangle has vertices at (3, 2), (-4,4), and (-2,5). What are the coordinates of the vertices of the image
MrMuchimi

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The triangle is translated 2 units down and 4 units to the right.

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Yoko runs 7 miles in 50 minutes at the same rate how many miles would she run in 75 minutes
Vsevolod [243]

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PLEASE HELP<br><br> x = ___ units
Shkiper50 [21]

Answer:

x = <u>16</u> units

Step-by-step explanation:

∆ABC is a 45-45-90 triangle, and ∆BCD is a 30-60-90 triangle.

If side opposite of 90° [∆] = x, side opposite of 45° [∆] = x / √2 = x √ 2 / 2.

Given side AC is opposite of 90° [∆ABC] = 32 √ 2, side opposite of 45° [∆ABC] = 32 √ 2 / √ 2 = 32 which is AB or BC.

Since side BC is part of BCD.

Side opposite of 90° [∆BCD] = BC = 32.

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8 0
2 years ago
The sides of a right triangle are x, x+21, and x+27. what is the length of the hypotenuse
mina [271]
Answer: 51 uinits

The three numbers are x , x + 21 and x + 27. 
The greatest of the 3 numbers is x + 27, so x + 27 has to be the hypotenuse.

----------------------------------------------
Pythagoras Theorem
----------------------------------------------

a² + b²  = c²

x² + (x+21)² = (x+27)²

x² + x² + 42x + 441 = x² + 54x + 729

x² - 12x -288 = 0

(x - 24)(x + 12) = 0

x = 24 or x = -12 (rejected, length cannot be negative)

----------------------------------------------
Find hypotenuse
----------------------------------------------
 Hypotenuse = x + 27 = 24 + 27 = 51 units

-----------------------------------------------
Answer: 51 units
----------------------------------------------

3 0
3 years ago
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