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denis-greek [22]
3 years ago
14

Victoria is shopping for thank-you notes at Sweet Greetings. She is trying to decide between the three different packages of not

es shown below.Package 110 notes for $4.00Package 212 notes for $6.00Package 38 notes for $6.00If Victoria is looking for the best deal, which package of thank-you notes should she buy?
Mathematics
1 answer:
saul85 [17]3 years ago
5 0
One way to find the best deal of thank you notes is to find the cost of each card for each example (unit rate).  To do this divide the cost by the number of cards you are getting.

$4/10 = $0.40 per card

$6/12 = $0.50 per card

$6/8 = $0.75 per card

The best deal is package one at $0.40 per card.
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X+y=6 and 2x-y=3. The system of equations ...has no solution, has one solution, or is coincident
Keith_Richards [23]

x+y=6

2x-y=3

3+3=6

2×3-3=3

3+3=6

6-3=3

5 0
3 years ago
True or False? In an isosceles trapezoid the diagonals are congruent.
Ainat [17]
It is true, they are congruent by doing a proof. You have to divide the trapezoid into 2 equal triangles. Then you can prove it. They are congruent since corresponding parts of congruent triangles are congruent.
3 0
2 years ago
if the volume of the prism is represented by 15x2 + x + 2 and the height is x2, which expression represents B, the area of the b
cricket20 [7]
The volume of a prism is the product of the area of a the base and its height. Given the volume of the prism as 15x2 + x + 2 and the height as x2, the base can be expressed using this expressions. Volume = base x height. By substitution, <span>15x2 + x + 2  = (base) x (x2). Thus the answer is, base = (15x2 + x + 2)/x2 or base = 15 + (1/x) + (2/x2).</span>
5 0
2 years ago
Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $2,632 was collected on the sale of 1,128 ticket
MAVERICK [17]

Answer:

A = number of adult tickets

S = number of student tickets

1033 = total tickets sold

A + S = 1033

5A = money collected for adult tickets

S = money collected for student tickets

2265 = total money collected

5A + S = 2265

two equations and two unknowns:

5A + S = 2265

A + S = 1033

subtract 2nd equation from 1st and solve for A:

4A = 1232

A = 308

Plug in value for A in 1st equation and solve for S:

A + S = 1033

308 + S = 1033

S = 725

6 0
2 years ago
Use completing the square to solve for x in the equation (x-12)(x+4)= 9.
iragen [17]

Answer:

x = 4 + sqrt(73) or x = 4 - sqrt(73)

Step-by-step explanation by completing the square:

Solve for x:

(x - 12) (x + 4) = 9

Expand out terms of the left hand side:

x^2 - 8 x - 48 = 9

Add 48 to both sides:

x^2 - 8 x = 57

Add 16 to both sides:

x^2 - 8 x + 16 = 73

Write the left hand side as a square:

(x - 4)^2 = 73

Take the square root of both sides:

x - 4 = sqrt(73) or x - 4 = -sqrt(73)

Add 4 to both sides:

x = 4 + sqrt(73) or x - 4 = -sqrt(73)

Add 4 to both sides:

Answer:  x = 4 + sqrt(73) or x = 4 - sqrt(73)

4 0
3 years ago
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