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cutie_pie_1213

  • 3 years ago

A triangular prism has a volume of 10 cm3. If each dimension of the prism is multiplied by four, what is the new volume of the prism? 320 cm3 80 cm3 160 cm3 640 cm3

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  1. annas
    • 3 years ago
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    give me a sec to solve

  2. cutie_pie_1213
    • 3 years ago
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    thank u im redoing them to bost my grade

  3. annas
    • 3 years ago
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    answer is 640 cm^3 how??? because solution: V= 1/2* l *w*h given V = 10 cm^3 but here given , new vol= 1/2* 4l*4w*4h =64 * 1/2* l*w*h =64*V =64*10 =640 cm^3

  4. cutie_pie_1213
    • 3 years ago
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    wow ur good can u help me again??

  5. annas
    • 3 years ago
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    sure i'll try

  6. cutie_pie_1213
    • 3 years ago
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    Each dimension of a rectangular prism is increased by 30%. What percent of the original volume is the volume of the new prism? 9 percent 169 percent 2.7 percent 219.7 percent

  7. annas
    • 3 years ago
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    ok wait lemme solve

  8. annas
    • 3 years ago
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    answer is 219.7% how lets prove....

  9. annas
    • 3 years ago
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    l*w*h = V if we use h= 2 w= 3 l= 4 V= 24 units^3 increase by 30% we get, h= 2.6 w= 3.9 l= 5.2 v =52.73 units^3 which is 219.7% time of the original volume original volume * 219.7% => 24 * 219.7% = 52.728 hence proved

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