3 years ago

Number 21 is confusing

1 answer:

5 0

Add the cost of all the items together
5.45 for cups + 4.75 for plates + 11.50 for the punchbowl + 2(7.80) for baloons = 37.3 Then divid 37.3 by the 10 friends, and each will pay $3.73

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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. A rectangle is shown wi

Verizon [17]

Answer:

x² + 23x + 49

Step-by-step explanation:

Since the area of a rectangle is: A = l x w, where l = length and w = width, we can find the overall area of the shaded region by multiplying the entire area and subtracting the smaller area of the unshaded square:

(2x + 5)(x + 10) - (x + 1)² or (2x + 5)(x + 10) - (x² + 2x + 1)

Distribute/FOIL:

2x² + 20x + 5x + 50 - x² - 2x -1

Combine like terms:

x² + 23x + 49

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lys-0071 [83]

Reply to comment I will help

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$5x-6y=30\ \ \ \ |subtract\ 5x\ from\ both\ sides\\\\-6y=-5x+30\ \ \ \ |divide\ both\ sides\ by\ (-6)\\\\y=\frac{5}{6}x-5\\\\x-intercept\ if\ y=0\\subtitute\\\\\frac{5}{6}x-5=0\ \ \ |add\ 5\ to\ both\ sides\\\\\frac{5}{6}x=5\ \ \ \ |\cdot\ \frac{6}{5}\\\\\fbox{x=6}\\\\y-intercept\\subtitute\\\\y=\frac{5}{6}\cdot0-5\\\\\fbox{y=-5} \\\\Answer:\boxed{x-intercept\ (6;\ 0);\ y-intercept\ (0; -5)}\to\fbox{A.}$