When evaluating proportions, we write the ratios in fractional form and then we
1 answer:
Answer: set the cross product equal.
Explanation.
A proportion is the equality of two ratios.
For example:
1 6
--- = ------
3 18
You may use the proportions to find the value of an unknown quanity
For example
1 x
--- = ----
3 24
So, if you want to solve for the unknown, the next step isto set the cross product equal:
1*24 = 3*x
=> 24 = 3x
From which you can obtain: x = 24 / 3 = 8
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Answer:
$58.25
Step-by-step explanation:
142.20 - 24.50 = 117.50
117.50 / 2 = 58.25
Answer:
your answer is B 6(5.+2y)
forgive me if i am wrong
Answer:
7x-5 = 9
x = 2
Step-by-step explanation:
Let x be the number
7x-5 = 9
Add 5 to each side
7x-5+5 = 9+5
Divide each side by 7
7x = 14
7x/7 = 14/7
x=2
Answer: $3,250
Step-by-step explanation:
5% is the same as 0.05
$65,000 x 0.05 = $3,250
It opens down.
Since the beginning number -5x^2 is negative, it will open down.