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3 years ago

Is 49 a perfect square yes or no

Mathematics

2 answers:

Romashka [77]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

7 x 7 = 49

slega [8]3 years ago

4 0

Yes

(this is me just adding characters so that it accepts it)

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Find the oth term of the geometric sequence 7, 14, 28, ...

yaroslaw [1]

Answer:

The nth term of the geometric sequence 7, 14, 28, ... is:

$a_n=7\cdot \:2^{n-1}$

Step-by-step explanation:

Given the geometric sequence

7, 14, 28, ...

We know that a geometric sequence has a constant ratio 'r' and is defined by

$a_n=a_1\cdot r^{n-1}$

where a₁ is the first term and r is the common ratio

Computing the ratios of all the adjacent terms

$\frac{14}{7}=2,\:\quad \frac{28}{14}=2$

The ratio of all the adjacent terms is the same and equal to

$r=2$

now substituting r = 2 and a₁ = 7 in the nth term

$a_n=a_1\cdot r^{n-1}$

$a_n=7\cdot \:2^{n-1}$

Therefore, the nth term of the geometric sequence 7, 14, 28, ... is:

$a_n=7\cdot \:2^{n-1}$

6 0

3 years ago

A sphere has a radius of 6 meters. A second sphere has a radius of 3 meters. What is the difference of the volumes of the sphere

erica [24]

The volume of the first figure: 904.78 m^3
the volume of the second figure: 113.1 m^3
Difference: 904.78-113.1= 791.68

6 0

3 years ago

Read 2 more answers

Please help: Find the volume of the solid. Use 3.14 for π.

kenny6666 [7]

Answer:

3391.2

Step-by-step explanation:

The formula for the volume of a cylinder is

pi * r^2 * h

Plugging the values in we get

3.14 * 6^2 * 30

= 3.14 * 36 * 30

= 3391.2

6 0

3 years ago

Convert C^w=212 into log form

dsp73

Answer:

C^w=212 into log form

$log_{c}(212) = w$

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3 years ago

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Ymorist [56]

Answer: 2 inch

Step-by-step explanation:

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3 years ago