The ratio would be 8/41 since the total number of students is 82. (16+66). then, the ratio of boys to all students is 16/82. then, just simplify the ratio and the answer is 8/41
17.) 5/9
18.) 23
19.) 3.7
20.) 4xy^2
hope this helps
Answer:
Step-by-step explanation:
The function is given :
f(x) = 4x + 15
For f(-3), the input for the function f(x) is -3.
Replace the x variable with -3.
f(-3) = 4(-3) + 15
Evaluate.
f(-3) = -12 + 15
f(-3) = 3
The output for f(-3) is 3.
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Answer:
Blank 1: 1 Blank 2: 8 Blank 3: 72
Step-by-step explanation:
What it is basically saying is that 9*8 is equal to 10*8 - 1*8 [Blank 1]. 10 times any number is a friendly number, it all ends with a 0. The question is saying that it is easier to think of a friendly number and subtracting from that. 10 eights - 9 eights is equal to 1 eight. So we take away 1*8=8 from 10*8=80, or in other words, 80-8 [Blank 2]= 9*8=72 [Blank 3].
Are you starting to see what I mean?
