A^2 + b^2 = c^2...a and b are the legs and c is the hypotenuse
20^2 + 21^2 = c^2
400 + 441 = c^2
841 = c^2
sqrt 841 = c
29 = c <== third straw will be 29 cm
4x divide 16 3x-4y it is the answer
Answer: Irrational
Step-by-step explanation:
Not sure about the others but
b) 8,192
the pattern is multiplying by 8 each time for b
Answer:
1
pages
Step-by-step explanation:
Since the concert promoter started with 2
pages of ads but had to cancel 1
, subtracting the cancelled amount from the original amount will give the amount of advertising space the promoter is now actually using:
2
= 2 
- <u>1
</u> - <u>1
</u>
1
pages
In order to subtract fractions, you need to have like denominators, so you need to convert
into an equivalent fraction with a denominator of '8'. Since 4 x 2 = 8, then you also need to multiply the numerator by the same factor: 3 x 2 = 6.