Answer:
A
Step-by-step explanation:
im smart ツ
Answer:
w = 16.875 inches
Step-by-step explanation:
Given that the ratio of the length to width in a full-size cello is approximately 8 to 3.
This will be a constant for all cellos
Using the above we can find out length if we know width and vice versa.
Here we know the length = 45 inches
Since 
BY cross multiplication we find that
8w = 3(45)
Or w = 16.875 inches
Verify:
Let us check our answer by comparing with proportion
l/w = 45/16.875 = 8/3
Hence our answer is right
Answer:
D
Step-by-step explanation:
Slope is (1/8) and y intercept can be found by setting x=0.
Answer: +15x
Explanation: Don't be thrown off if a variable like <em>x</em> is introduced in a multiplication problem that involves positives and negatives.
To simplify (+3) (+5x), it's important to understand that a positive times a positive is a positive. So (+3) (+5x) is +15x.
<span>7/10x-1/5=4 should be written as (7/10)x - 1/5 + 4
or as 7x/10 - 1/5 = 4.
Multiply all 3 terms of the latter equation by 10 to eliminate fractions:
7x - 2 = 40
Then 7x =42, and x = 6.</span>