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harina [27]
3 years ago
9

Question 15

Mathematics
1 answer:
ycow [4]3 years ago
8 0

The perimeter of the smaller triangle is 8+12+16=36.  The big triangle has perimeter 54.  So our scale factor is 54/36=3/2.  So we scale up the short side, 8, by 3/2, giving our answer:

Answer: 12

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find the first fourth and tenth terms of the arithmetic sequence described by the given rule a (n)=5+(n-1)(1/2)
gulaghasi [49]
An=a1+d(n-1)
a1=first term
d=common differnce

easy

inptu 4 for n and 10

a4=5+(4-1)1/2
a4=5+3(1/2)
a4=5+3/2
a4=6 and 1/2
4th term is 6 and 1/2


10th term
a10=5+(10-1)1/2
a10=5+(9)1/2
a10=5+9/2
a10=9 and 1/2




4th term is 6 and 1/2
10th term is 9 and 1/2

5 0
3 years ago
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Step-by-step explanation:

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7 0
3 years ago
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Kamila [148]

\bf \begin{cases} f(x)=4x+1\\ g(x)=x^2-5\\[-0.5em] \hrulefill\\ (f\circ g)(4)=f(~~g(4)~~) \end{cases} \\\\[-0.35em] ~\dotfill\\\\ g(4)=(4)^2-5\implies g(4)=16-5\implies \boxed{g(4)=11} \\\\\\ f(~~g(4)~~)\implies f(11)\implies f(11)=4(11)+1\implies \blacktriangleright f(11)=45\blacktriangleleft

3 0
3 years ago
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LenKa [72]
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deff fn [24]
Answer:

This is one of many possible answers.

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Explanation:

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