Answer:
Step-by-step explanation:
Draw a right triangle and then read through the problems again to determine the length of the legs and the hypotenuse. Step 2: Use the Pythagorean Theorem (a2 + b2 = c2) to write an equation to be solved. Remember that a and b are the legs and c is the hypotenuse (the longest side or the side opposite the 90º angle).
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Answer:
The 12th child will be wearing a white shirt
The 18th child will have spectacles
And i'm not sure about the 21st child
Step-by-step explanation:
Answer:
x = 8
Step-by-step explanation:
Answer:
r < 7/2
Step-by-step explanation:
2r + 5 < 12
2r < 12 - 5
2r < 7
r < 7/2
First you need to subtract the 2 over to the left side:
4=a/4
Then, multiply both sides by 4 in order to get the 4 on the right to cancel out of the denominator:
16=a