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Ksivusya [100]
3 years ago
7

For the purpose of purchasing new baseboard and​ carpet, complete parts a and b below. a. Find the area and perimeter of the roo

m​ (neglecting doors). b. Identify whether baseboard has to do with area or perimeter and the same with carpet.
Mathematics
1 answer:
vfiekz [6]3 years ago
6 0
I can only answer b. Baseboard is perimeter and carpet is area.
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The 10th term of an a.p is -27 and the 5th term is -12 .find the first term?​
horsena [70]

Step-by-step explanation:

a_{10} = - 27... (Given) \\\\\therefore a + 9d = - 27...... (1)\\\\a_{5} = - 12... (Given) \\\\\therefore a + 4d = - 12.......(2)\\\\

Subtracting equation (2) from equation (1)

a + 9d-( a + 4d )= - 27-(-12)\\\\\therefore a +9d - a-4d = - 27+12\\\\\therefore 5d = - 15\\\\\therefore d = \frac {- 15}{5}\\\\\huge \orange {\boxed {\therefore d = -3}} \\\\

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3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%28-5g%5E%7B5%7Dh%5E%7B6%7D%29%5E%7B2%7D%28g%5E%7B4%7Dh%5E%7B2%7D%29%5E4%20%20%20%20%20" id
Elenna [48]
I dont understand this
3 0
3 years ago
2(z – 10) = -4<br> (ignore this)
sukhopar [10]
2(z-10)=-4
2z-20=-4
2z=16
z=8
3 0
3 years ago
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