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poizon [28]
3 years ago
8

Use the following area model to multiply 42 x 73

Mathematics
1 answer:
Sergio [31]3 years ago
7 0

A=2800,B=120,C=140,D=6

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Gavin and Caleb go to the movie theater and purchase refreshments for their friends. Gavin spends a total of $22.25 on 2 bags of
gavmur [86]

Answer:

Drinks = 6.75

Popcorn= 1

Step-by-step explanation:

Let the popcorn = P

Let the drink = D

2*P + 3*D = 22.25         multiply this equation by 6

12*P + 4D = 39.00

<u>12P + 18D = 133.5</u>          Subtract these two equations

- 14D = - 94.50               Divide by -14

-14D/-14 = -94.5/-14        Do the division

D = 6.75

=========================

12P  +  4D = 39            Substitute for D

12P + 4*6.75 = 39        Combine

12P + 27 = 39               Subtract 27 from both sides

12P + 27-27=39-27      Collect like terms

12P = 12                        Divide by 12

12P/12 = 12/12

P = 1                               Answer

8 0
3 years ago
Read 2 more answers
3.The side of a square frame is (2b - 1) inches. Find its area.
sweet-ann [11.9K]

Answer:

Step-by-step explanation:

(a - b)² = a² + 2ab + b²

Area of square frame =side²

                                   = (2b - 1)²

                                   = (2b)² - 2*2b * 1 + 1²

                                   = 4b² - 4b + 1

5 0
2 years ago
Find the value of x. Round to the nearest degree.
melisa1 [442]
The answer is C) x= 60.1
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a carpet installation company charges customers a flat fee of $75 plus $3.00 per square foot how much would it cost to install 1
Kobotan [32]

Answer:3x100=300+75=$375.00

Step-by-step explanation:

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3 years ago
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Which expression does the graphic represent?
masya89 [10]

Answer: try D

Step-by-step explanation:

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