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3 years ago

11

Classify the sequence {an) = {10,4,8/5,16/25,...} as arithmetic, geometric, or neither. If there is not enough information to cl

assify the sequence, chose not enough information.
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-
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A. arithmetic
B. geometric
C. neither
D. not enough information

1 answer:

Vanyuwa [196]3 years ago

4 0

The answer is arithmetic

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3 years ago

A first number plus twice a second number is 8. Twice the first number plus the second totals 22. Find the numbers

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3 years ago

Read 2 more answers

-3r-8(8r+8)=-9(-4+9r)

natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is a(b+c) = ab + ac

Now, the steps of solving are shown below:

$-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14$

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3 years ago

Find mZ1 and mZ2 .<br><br> I cant figure it out

Ede4ka [16]

Answer:

∠ 1 = 110°, ∠ 2 = 70°

Step-by-step explanation:

∠ 1 and 110° are vertical angles and are congruent, thus

∠ 1 = 110°

∠ 1 and ∠ 2 are same- side interior angles and supplementary, sum to 180°

∠ 1 + ∠ 2 = 180°

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3 years ago