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2 years ago

A copy machine is set to enlarge an image 160%. If the original image is 3 inches tall, how

Mathematics

1 answer:

Mamont248 [21]2 years ago

4 0

Answer:

The enlarged image will be about 4.8 inches

Step-by-step explanation:

Here, we want to know how tall the image will be

Mathematically;

That will simply be 160% of 3 inches

We have;

160/100 * 3 = 480/100 = 4.8 inches

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Step-by-step explanation:

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3 years ago

I need help with number 15 and 16.How do I find it?

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3 years ago

If r = 4 and ^a8 = 100, what is the first term of the geometric sequence?

telo118 [61]

The first term of the geometric sequence is 0.0061

Step-by-step explanation:

The general form of geometric sequence is a, ar, ar²,ar³,.......

where,

a is the first term of the sequence.
r is the common ratio. Here, the common ratio r = 4.
The 8th term of the sequence is 100. Hence n = 8.

The formula to find the nth term of the geometric sequence is given by :

⇒ $n_{th} term = ar^{n-1}$

⇒ $8_{th}term = a\times4^{8-1}$

⇒ $100 = a \times 4^{7}$

⇒ $100 = a \times 16384$

⇒ $a = \frac{100}{16384}$

⇒ a = 0.0061

Therefore, the first term of the geometric sequence is 0.0061

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2 years ago