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Leviafan [203]
3 years ago
6

8 stones and 2 pounds − 4 stones and 2 pounds

Mathematics
1 answer:
son4ous [18]3 years ago
7 0

Answer:

4 stones is the answer use basic mathematics

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Need help on this one please
Archy [21]
The answer is A because there are only acute angles
3 0
3 years ago
The measure of the supplement of an angle is 20° more than three times the measure of the original angle. find the measures of t
viva [34]

If the original angle is x degrees then its supplement is 180 - x degrees.

we have the equation:-

180 - x = 3x + 20

160 = 4x

x = 40

The original angle is 40 degrees and its supplement is 140 degrees

3 0
3 years ago
Please help you guys
Svetach [21]

Answer:

It should be 21.1

Step-by-step explanation:

5 0
3 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
Read 2 more answers
What number is 30% of 150
mrs_skeptik [129]
Find 30% of 150.  To do this, mult. 150 by 0.30.  Result:  45.
8 0
3 years ago
Read 2 more answers
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