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aleksandr82 [10.1K]
4 years ago
14

(a^2-4)(9-b^2)+24ab

Mathematics
1 answer:
Sholpan [36]4 years ago
7 0
<span> -a2b2 + 9a2 + 24ab + 4b2 - 36 </span><span>hope it helps

</span>
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Solve the following linear system by graphing <br> 4x+5y=10<br> 3x-3y=21
Inga [223]

Answer:

y = 2

x = 5

Step-by-step explanation:

4x + 5y = 10 | ×3 |

3x - 3y = 21 | ×4 |

12x + 15y = 30

12x - 12y = 84

____________--

27y = -54

y = -54/27

y = 2

4x + 5y = 10 | ×3 |

3x - 3y = 21 | ×5 |

12x + 15y = 30

15x - 15y = 105

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27x = 135

x = 135/27

x = 5

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xz_007 [3.2K]

Answer:

Alternate Interior angles! ? = 50 :)

Step-by-step explanation:

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a bicycle rider increases his speed from 15 m/s to 5 m/s in 10 seconds. what is his rate of acceleration
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A = change in velocity divided by change in time
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Answer is in the attached figure.


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It would be (14•18) + 14•b & 14•(18+b)
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