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2 years ago

1/2r = 7/2. solve for r

Mathematics

2 answers:

Yuri [45]2 years ago

6 0

Answer:

r = 7

Step-by-step explanation:

hope this was helpful let me know you need the steps! :)

kvv77 [185]2 years ago

3 0

Answer: 1.75 or 1 3/4

Step-by-step explanation:

Because first you need to get R by it’s self by dividing it by 1/2 then if you divided it by one side you have to divide it by the other side so you get r=1.75 or 1 3/4.

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What is the value of a1 of the geometric series? Sigma-Summation Underscript n = 1 Overscript infinity EndScripts 12 (negative o

worty [1.4K]

Answer:

Step-by-step explanation:

The given geometric series is

$\sum_{n = 1}^{ \infty} 12( { - \frac{1}{9} })^{n - 1}$

We want to determine the first term of this geometric series.

Recall that the explicit formula is

$a_{n} = 12( { - \frac{1}{9} })^{n - 1}$

To find the first term, we put n=1 to get:

$a_{1} = 12( { - \frac{1}{9} })^{1 - 1}$

This gives us:

$a_{1} = 12( { - \frac{1}{9} })^{0}$

$a_{1} = 12(1) = 12$

Therefore the first term is 12

6 0

3 years ago

Read 2 more answers

Que es un plano cartesiano?

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<h2>Answer: <u>Un sistema de coordenadas cartesianas en un plano es un sistema de coordenadas que especifica cada punto de forma única mediante un par de coordenadas numéricas, que son las distancias con signo al punto desde dos líneas fijas orientadas perpendiculares, medidas en la misma unidad de longitud.</u> </h2><h2 /><h2>Step-by-step explanation:</h2>

5 0

3 years ago

Help if you can???? Please :)

dsp73

Answer:

J = 9

Step-by-step explanation:

12 - J = 3

12 - 3 = J

J = 9

6 0

2 years ago

What is 26.5 rounded to the nearest hundredth??

blagie [28]

Remember your Number system
After the decimal point to the right, the next digit is the TENTH, and next is HUNDREDTH.

So for 26.5 = 26.500.
The tenth digit is 5, and the Hundredth is 0.
After the hundredth digit which is 0, the next digit is also 0.
The second 0 is not up to 5, so we would not add to the first zero.
(Was it 5, or above, we would have added 1 to first zero)

So the answer is 26.50. If the next digit after the hundredth digit was 5 or more the answer would have been 26.51.

But for this question the answer is 26.50 to the nearest hundredth. Cheers.

8 0

2 years ago

PLEASE HELP WILL GIVE BRAINLIEsT

Semmy [17]

n + 4 = 3..............

6 0

3 years ago