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IrinaVladis [17]
3 years ago
7

What are the values of a 1 and r of the geometric series? 1 + 3 + 9 + 27 + 81

Mathematics
2 answers:
hammer [34]3 years ago
4 0

Answer:

a₁ = 1; r = 3

Step-by-step explanation:

a₁ represents the first term. It is 1 in this case.

r represents the common ratio between terms. In this case it's 3 / 1 = 3.

zysi [14]3 years ago
3 0

Answer:

a1 = 1

r = 3

Step-by-step explanation:

a1 = first term = 1

r = common ratio = 2nd term/1st term

  = 3/1

r = 3

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One student simplified x5 + x5 to x10 . A second student simplified x5 + x5 to 2x5 . Which student is correct? Explain.
dybincka [34]

An expression is defined as a set of numbers, variables, and mathematical operations. The second student is correct.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Given One student simplified x⁵ + x⁵ to x¹⁰. The second student simplified x⁵+x⁵ to 2x⁵. Since the simplification of (x⁵+x⁵) is equal to 2x⁵. Therefore, the second student is correct.

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5 0
1 year ago
2q+10=7q how do i break this down to get the answer
krok68 [10]
So subtract 2q from both sides.
This will cancel out the 2q on the left.
So the equation right now should be 10=5q.
Now divide each side by 5.
10/5=2
2=q.
That's the answer! Hope this helped!!
7 0
3 years ago
Read 2 more answers
What is the volume of the composite figure? Round your answer to the nearest hundredth. Use 3.14 for π.
Reil [10]

Answer:

<em><u>263.76</u></em><em><u> </u></em><em><u>in</u></em><em><u>^</u></em><em><u>3</u></em>

VOLUME OF FIGURE=VOL.OF CONE+VOL.OF CYLINDER +VOL.OF HEMISPHERE

=(1/3×3.14×3×3×4)+(3.14×3×3×6)+(2/3×3.14×3×3×3)

=37.68+169.56+56.52

=263.76in^3

7 0
3 years ago
4x+10= 34<br>can someone help me?​
vazorg [7]

Answer:

x = 6

Step-by-step explanation:

subtract 10 from both sides -> 4x = 24

divide by 4 to get x = 6

7 0
3 years ago
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PLEASE HELP- Which table DOES NOT represent a function?
Mrac [35]

Answer:

What is a function?

Step-by-step explanation:

3 0
3 years ago
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