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kakasveta [241]
3 years ago
7

Find the circumference and the area of a circle with radius 7 yd . Use the value 3.14 for π , and do not round your answers. Be

sure to include the correct units in your answers?
Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0
7•2=14
3.14•14=
Answer: 43.96 yds
(I hope this help :) sorry if I’m incorrect)
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The wildflowers at a national park have been decreasing in numbers. There were 1200 wildflowers in the first year that the park
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Year      New flowers

1                 1200

2                 300

3                   75

There were 1200 wildflowers in the first year that the park started tracking them. Since then, there have been one fourth as many new flowers each year

Initially there are 1200 flowers and start decreasing by \frac{1}{4}

So first term is 1200 and common ratio is \frac{1}{4}.

Its a geometric sequence so summation becomes

i =1∑ ∞ 1200(\frac{1}{4})^{i-1}

Now we find the sum

We use sum formula

Sum = \frac{a}{1-r}

Where a is the first term , a= 1200

r is the common ratio , r= 1/4

Sum = \frac{1200}{1-(\frac{1}{4})}

Sum = \frac{1200}{\frac{3}{4}}

Sum = 1600 wildflowers

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7. If 1 || m and n || q, identify any of the following<br> angles congruent to 6
s344n2d4d5 [400]

The angle congruent to ∠6 are ∠8, ∠3, ∠9 and ∠14

<h3>How to find congruent angles?</h3>

When parallel lines are cut by a transversal, angle relationships are formed. They include corresponding , alternate and many more.

L║m

n ║ q

Therefore, the angles congruent to ∠6 by alternate or corresponding relationship are as follows:

∠6≅∠8≅∠3≅∠9≅∠14

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