Y = f(x) = -3x
y = -3x
y = (constant) x
y is proportional to x.<span>
Hence we can say Y is proportional to x , having (-3) as proportionality Constant. hope this helps</span>
<span>37.7
The formula is </span>V=<span><span>π<span>r^2*</span></span><span>h/3, and since r is 4/2, you multiply it by </span></span><span><span>π and then multiply it h/3, which is 9/3, so ((2*3.14)*3)= 37.7.</span></span>
Answer:
40%
Step-by-step explanation:
Percent markup = new price - original price/original price
Do the subtraction first.
58.80 - 42.00 = 16.80
Now do the division
16.8/42 = 0.40
Change the decimal to a percent by moving the decimal two place to the right.
0.40 = 40%
Answer: 68
Step-by-step explanation:
range=47 lowest score = 21 let highest score =x
Range=highest score - lowest score
47 = x - 21
x = 47 + 21
x = 68
Therefore the highest score is 68
Answer:
160-128=32
Step-by-step explanation:
distribute what is in the parentheses