Answer:
0.75
Step-by-step explanation:
Given
Required
Equivalent of those that bought chips
From the question, 3 out of the 4 girls bought chips.
So, the fraction is:
Express as decimal
<em>Hence: the decimal equivalent is 0.75</em>
Answer:
b>1
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
just do it
<span>There are 100 possible pairs of numbers.
Half of them start with an even number so only 50 have a first odd number.
Of those remaining 50, half of those have an odd second number.
Leaving 25 of the original 100 to have two odd numbers.
P= 25/100=1/4</span>
Let us find the slopes of the two lines
ax+by=c, slope m1 = -a/b
bx-ay=c, slope m2 = b/a
m1*m2 = (-a/b)(b/a) = -1
Therefore the two lines are perpendicular so the answer is D
