Answer:
4. x = 7
5. A
Step-by-step explanation:
you can't use a calculator ?
4.
x² = 49
x = 7
5.
sqrt(4) = 2
triple root (8) = 2
sqrt(16) = 4
only sqrt(2) is a never-ending sequence of digits without any repeating pattern after the decimal point. and that is the meaning of irrational numbers. they can never be described by an expression a/b, where a and b are integer numbers.
a+c=b
hope it helps you
bye
She brings 3 donuts because a dozen is 12 and 1/4 of 12 is 3.
85% = 0.85
1-0.85 = 0.15
80 x 0.15 = 12
the price now is $12
false
