9514 1404 393
Answer:
A, C
Step-by-step explanation:
The given ratio can be reduced by removing a factor of 2 from each element.
8 : 6 = 4 : 3 . . . . matches A
It can be put in other forms by multiplying each element by the same factor. Using a factor of 2 on the original ratio values, we get ...
8 : 6 = 16 : 12 . . matches C
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Any ratio that doesn't reduce to the integer ratio 4 : 3 is not equivalent. The ratio with elements reversed (3:4) is not equivalent.
If you raise -4 to the power of 2, you will get -4x-4. So (-4)^2 is the answer.
Just compare the change in unit cost to the original unit cost.
Shovels: (70.38 ÷ 2 - (172.50/5) ÷ (172.50/5) = 0.02
Salt: (26.04 ÷ 4 - (6.20) <span>÷ </span>6.20 = 0.05
So, the shovels went up 2% and the salt went up 5%
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Calculation of the SSS triangle 9 12 15 - Triangle calculator
https://www.triangle-calculator.com/?a=9&b=12&c=15
Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known
Answer:
y = - 4x - 3
Step-by-step explanation:
- 2y - 8x = 6 ( add 8x to both sides )
- 2y = 8x + 6 ( divide through by - 2 )
y = - 4x - 3 ← in slope- intercept form
