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2 years ago

12

I need help please hurry.

1 answer:

Anarel [89]2 years ago

8 0

Answer:the answer is the first

Step-by-step explanation:

Because the expression can be written as -10r2/2r2+4+5r/2r2+4+3/2r2+4

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Find the measure of each interior angle. Round to the nearest hundredth.

Butoxors [25]

Answer:

x = 76.80°

4x - 142 = 165.18°

x/5 = 15.36°

5x/9 + 60 = 102.66°

Step-by-step explanation:

Total angle in a quadrilateral is 360

x + 4x - 142 + x/5 + (5/9)x + 60 = 360

259x/45 + - 82 = 360

259x/45 = 442

x = 76.7953668

x = 76.80°

4x - 142 = 165.18°

x/5 = 15.36°

5x/9 + 60 = 102.66°

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ZanzabumX [31]

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Find a formula for the nth term of the geometric sequence. Assume the n begins with 1. a1=18, a2=9

LUCKY_DIMON [66]

Answer:

Option E

Step-by-step explanation:

Explicit formula of a geometric sequence is,

$T_n=a_1(r)^{n-1}$

Here, $a_1=$ First term

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$n=$ number of terms

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Common ratio of the sequence $r=\frac{a_2}{a_1}$

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$r=\frac{1}{2}$

By substituting these values in the formula,

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