Answer:
1950
Step-by-step explanation:
i got to this by multiplying 30 and 65
<span>We can calculate the nearest integer of the square root by estimation. </span>
<span>We know that 6*6=36, 7*7=49, 8*8=64, 9*9=72,</span>
<span>So 61 is nearest to 64 and acccording this the square root of 61 to the nearest integer is 8.
</span>
Answer: 4/15
Step-by-step explanation:
Make the denominators equal first including the numerators. So, the common factor is 15. So 2/3 turns into 10/15 and 2/5 turns into 6/15. Now subtract. 10/15-6/15 is 4/15
First, you have to know the properties of a 30 60 90 triangle: