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REY [17]
3 years ago
5

What is the disturbited property of (-2.5)(3-8y)

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0

<u><em>Answer: =-7.5+20y</em></u>

Step-by-step explanation:

distributive property: a(b+c)=ab+ac

a=-2.5, b=3, c=8y

-2.5*3-(-2.5)*8y

3(-2.5)-8(-2.5)y

simplify by equation.

3(-2.5)-8(-2.5)y=-7.5+20y

=-7.5+20y

Hope this helps!

Thanks!

Have a great day!

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40, 10, 5/2 5/8... (fractions) is it arithmetic or geometric and what are the next two terms PLZ HELP DUE IN 10 MINS
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Answer:

Please check the explanation.

Step-by-step explanation:

Given the sequence

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A geometric sequence has a constant ratio 'r' and is defined by

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The ratio of all the adjacent terms is the same and equal to

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Therefore, the nth term is calculated as

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a_n=40\left(\frac{1}{4}\right)^{n-1}

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a_5=40\left(\frac{1}{4}\right)^{5-1}

a_5=40\cdot \frac{1}{4^4}

a_5=\frac{40}{4^4}

   =\frac{2^3\cdot \:5}{2^8}

a_5=\frac{5}{2^5}

a_5=\frac{5}{32}

now, Put n = 6 to find the 6th term

a_6=40\left(\frac{1}{4}\right)^{6-1}

a_6=40\cdot \frac{1}{4^5}

a_6=\frac{40}{4^5}

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a_6=\frac{5}{2^7}

a_6=\frac{5}{128}

Thus, the next two terms of the sequence 40, 10, 5/2, 5/8... is:

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