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wlad13 [49]
2 years ago
7

Help plssss I can’t

Mathematics
1 answer:
omeli [17]2 years ago
8 0

Answer:

336 square units

Step-by-step explanation:

The formula for a triangle is 1/2 * height *base

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vodomira [7]

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Step-by-step explanation:

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2 faces: 5 x 5 -> 2 * 5 * 5 = 50

4 faces: 5 x 8 -> 4 * 5 * 8 = 160

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3 years ago
A gym charges a one-time registration fee as well as a monthly fee. The cost of joining the gym for 4 months is $370, and the co
Anna007 [38]
x-\ registration\ fee\\
y-\ monthly\ fee\\\\
 \left \{ {{x+4y=370} \atop {x+6y=530\ \ |*(-1)}} \right. \\\\
 \left \{ {{x+4y=370} \atop {-x-6y=-530}} \right. \\+-----\\Addition\\\\
-2y=-160\ \ | divide\ by\ -2\\
y=80\\\\
x=370-4y=370-4*80=370-320=50\\\\
Registration\ fee\ is\ equal\ to\ 50\$\ and\ monthly\ fee\ is\ equal\ to\ 80\$.

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3 years ago
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Daniel [21]
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