3 to 106Review & Preview Find the missing value in each number sentence. 5. a. 4 -3.5+3.5-1=- b. -2 +4+4= c. 5-7-5 = -

example answer: "to determine if a sum is reasonable you can round each number to the nearest whole and compare the estimated sum to the actual sum."

hope this you and anyone else who needs the answer : ^)

diagonal is     or     16.97

step-by-step explanation:

from pythagorian theorem we know,

if a is perpendicular, b is base and c is hypotenuse,

then we get

now, for a square,

perpendicular and base are equal,

since all the sides of a square are equal.

so, we get,

this is the special version of pythagorian theorem for a square.

so, if the diagonal is d and length is 12 , then we get

by square rooting we get,