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blsea [12.9K]
2 years ago
11

Ms. Forestal is purchasing greeting cards in preparation for the upcoming winter holidays. At Store A she can get 3 greeting car

ds for $15.00. At Store B, she can get 6 greeting cards for $24. Which is the better buy?
Mathematics
1 answer:
soldi70 [24.7K]2 years ago
4 0

Answer:

store B

Step-by-step explanation:

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Write each equation in standard form. identify A,B,C.
aleksley [76]
Write in y=ax²+bx+c form
solve for y

given
\frac{x+5}{3}=-2y+4
solve for y

easy
minus 4 both sides
\frac{x+5}{3}-4=-2y
times -1/2 to both sides
\frac{x+5}{-6}+2=y
y=\frac{x+5}{-6}+2
y=\frac{-x}{6}-\frac{6}{5}+2
2=10/5
y=\frac{-1}{6}x-\frac{6}{5}+\frac{10}{5}
y=\frac{-1}{6}x+\frac{4}{5}
y=ax²+bx+c
y=0x^2+\frac{-1}{6}x+\frac{4}{5}

a=0
b=\frac{-1}{6}
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3 years ago
The high temperatures for the last seven days are: High Temperatures: 81, 78, 83, 89, 80, 87, 78
Leno4ka [110]

Answer:

81

Step-by-step explanation:

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3 years ago
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3 years ago
An airplane's altitude in feet during its descent can be found using the equation y=-150x + 30,500. After new government regulat
Inga [223]

Answer:

The airplane would starts its descent from an altitude 500 feet lower.

Step-by-step explanation:

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8 0
2 years ago
A carnival costs $10.50 to enter plus an additional $3.50 per ticket for rides and food.
Wewaii [24]

Answer:

1.) $10.50 + $3.50n

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So, the total cost to visit the fair is $80.50.

6 0
3 years ago
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