Answer:
A proportion is simply a statement that two ratios are equal. It can be written in ii ways: equally two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read equally "twenty is to 20-five equally four is to five."
Pace-by-step explanation:
Letter C. Is correct I retrieve, hope this helped.
Slope is 0.five
I hope it helps for more info pls msg me
<h3>Reply: 49-11x</h3>
This is the same as -11x+49
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Explanation:
ane apple = 10 dollars
4 apples = 4x dollars, subsequently multiplying both sides by four
If Jessica buys 4 apples, and then she spends 4x dollars.
Jessica has $xix, so she'll have 19-4x dollars leftover after ownership those iv apples.
Similarly, Levi will have xxx-7x dollars leftover when buying 7 apples for ten dollars each.
Add up the leftover amounts to get...
(jessica's leftovers) + (Levi's leftovers)
(nineteen-4x)+(xxx-7x)
xix-4x+thirty-7x
(nineteen+30)+(-4x-7x)
49-11x
This is the same as -11x+49 since yous tin recollect of 49-11x every bit 49+(-11x), and nosotros tin can add ii terms in any order nosotros want.
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An alternative viewpoint
Pool up Jessica's and Levi's corporeality they start with to become 19+xxx = 49 dollars
Jessica buys iv apples and Levi buys 7 apples. In full, this is 4+vii = 11 apples. At ten dollars an apple tree, they spend 11x dollars. And so they'll have 49-11x dollars leftover after buying those 11 apples.
The best answer is C : The sum of the measures of 2 angles os 180 degrees .
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