Answer:
Step-by-step explanation:
90 + 27 = (9 * 10)+ (9 * 3)
= 9 * ( 10+3) = 9 * 13
= 117
Answer:
c = 7
d = 5
Step-by-step explanation:
Notice that in the first expression, x^c is inside a square root, and only perfect squares can be extracted from it. On the simplified form shown on the right hand side, we have x^3 outside the root and a single "x" left inside. In order for such to happen (x^3 get outside the root) there must have been an x^6 inside the square root. This together with the sole "x" that was left in the root, totals seven factors of x that should have been originally inside the square root:
x^6 * x = x^7 therefore c was a "7"
In the second expression we have a CUBIC root, so only perfect cubes can get extracted from it. Since there is one factor "x" shown in the simplified form (right hand side of the equal sign), that means that it must have been an x^3 (perfect cube) apart from the x^2 that was left inside the root. This makes the original power of x to be a 3 + 2 = 5.
Therefore d = 5
Answer:
yes
Step-by-step explanation:
If you are dividing it will become 1 because 10 minus 10 equals 0. Anything to the power of 0 is 1 then you keep the base which is y so the answer is y
If you are multipling the answer will be y^10 because 10 plus 10 is 20 and you keep the base which is y
Answer:
Step-by-step explanation:
Let the unknown angle be x
As the interior angles in a triangle are added up to 180°
Hope this helps you.
Let me know if you have any other questions:-)
There are 26 student in the class.
because, since 6 is directly opposite of 19. Between 6 and 19 there are 12 number. There should also be 12 number before 6 and after 19. There 5 number before 6 which is 1,2,3,4,5.So add 7 number after 19. lets count, 20,21,22,23,24,25,26,1,2,3,4,5 . Thus there are 26 students.