Answer:
x = 20
Step-by-step explanation:
These two angles are equal:
5x + 7 = 6x - 13
Subtract 5x from both sides.
7 = x - 13
Add 13 to both sides.
20 = x
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-1(x + 5) = -x - 5
-1(x - 5) = -x + 5
-(x + 3) = -x - 3
-(x - 3) = -x + 3
To find the price of something with sales tax, you simply multiply it by 1.(percent as a decimal). The "1" represents the original price, while the decimal afterwards represents the percent of sales tax. In this case, 3% is .03 as a decimal, so we should be multiplying 55 by 1.03.
55
<u>x1.03
</u>56.65
<u>
</u>Using the math above, we can see that the price of the shoes with the sales tax is $56.65.<u>
</u>
Answer:
C
Step-by-step explanation:
Given
(3x² + 5x - 8) + (5x² - 13x - 5) ← remove the parenthesis
= 3x² + 5x - 8 + 5x² - 13x - 5 ← collect like terms
= 8x² - 8x - 13 → C
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![y = \frac{1}{3} x \\](https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%7B1%7D%7B3%7D%20x%20%5C%5C%20)
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Let me know if you need explanation