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stiks02 [169]
3 years ago
12

The length of the base of an isosceles triangle is x. The length of a leg is 4x - 6. The perimeter of the triangle is 51. Find x

.
X=
Mathematics
1 answer:
dedylja [7]3 years ago
6 0
4(51)-6
x=198 i wanna say that’s the answer
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Samuel bought a cement mixer for $54,205. The value of the cement mixer depreciated at a constant rate per year. The table shows
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The value of cement mixer after t year is f(t) = 54,205(0. 87)^{t}

Given to us

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the value of cement mixer after 1 year, P_1=   $ 47,158. 35

the value of cement mixer after 2 year,P_2=  $ 41,027. 76

To find out depreciation we can use the formula for depreciation,

P_n= P(1-r)^n\\where,\\P_n= Value\ of\ asset\ after\ n\ year\\P= Value\ of\ asset\ when\ bought\\r= rate\ of\ depreciation\\n= number\ of\ years

By putting the value, in the formula we get,

P_1= P(1-r)^n\\\\47,158.35= 54,205\times (1-r)^1\\\\\dfrac{47,158.35}{54,205} = (1-r)\\\\0.87=1-r\\\\r=0.13

Therefore, putting the value of r and P in depreciation formula for t years we get,

P_n= P(1-r)^n

f(t) = 54,205(0. 87)^{t}

Hence, the value of cement mixer after t year is f(t) = 54,205(0. 87)^{t}.

To know more visit:

brainly.com/question/3023490

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2 years ago
D=-0.5t + 7<br>I REALLY NEED HELP ASAP I WILL MARK BRAINLIEST TYTY​
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Answer:

7.5t

Step-by-step explanation:

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