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lisabon 2012 [21]
3 years ago
5

Connor spent $66 on rookie cards and Hall of Fame cards how many of each type of car did he buy rookie cards are four for six Ha

ll of Fame two for nine
Mathematics
1 answer:
barxatty [35]3 years ago
5 0

Answer:

We conclude that he purchased 20  rookie cards and 8  Hall of Fame cards.

Step-by-step explanation:

We know that Connor spent $66 on rookie cards and Hall of Fame cards. We know that rookie cards are four for six Hall of Fame two for nine.

Therefore, we calculate:

5\cdot 6 +4\cdot 9=30+36=66

5·4= 20 rookie cards

4·2= 8 Hall of Fame cards

We conclude that he purchased 20  rookie cards and 8  Hall of Fame cards.

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Studentka2010 [4]
35 = 5*7
7 = 5*5 -18

The dimensions of the rectangle are: length = 7 cm, width = 5 cm.

_____
It is handy to know your times tables.

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If you want, you can write a couple of equations and solve them.
.. L = 5W -18
.. LW = 35
Substituting for L, we have
.. (5W -18)W = 35
.. 5W^2 -18W -35 = 0 . . . . put in standard form
.. (W -5)*(5W +7) = 0 . . . . . factor
.. W = 5 or -7/5 . . . . . . . . . we are only interested in the positive solution

The width of the rectangle is 5 cm; its length is 7 cm.
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3 years ago
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lora16 [44]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

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2 years ago
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Semenov [28]
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3 years ago
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Answer:

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Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

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?² = 61.25 ( take the square root of both sides )

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3 0
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Answer:

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3 years ago
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