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3 years ago

Please help ASAP thank u

Mathematics

2 answers:

Dafna1 [17]3 years ago

5 0

Answer:

5 : 6 and 20 : 24

Step-by-step explanation:

Given the ratio

10 : 12 ( divide both parts by 2 )

= 5 : 6

and

10 : 12 ( multiply both parts by 2 )

= 20 : 24

To create equivalent ratios we can divide or multiply the parts by the same value.

Pepsi [2]3 years ago

4 0

Answer:

1. B

Step-by-step explanation:

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3 years ago

Read 2 more answers

Complete the recursive formula of the geometric sequence − 0.6 , 3 , − 15 , 75 , . . .

HACTEHA [7]

<h3> $a_n = -0.6 \times (-5)^{n - 1}$ is the recursive formula of the geometric sequence</h3>

Solution:

Given geometric sequence is:

-0.6, 3 , -15, 75

We have to frame the recursive formula

Find the common ratio

$r = \frac{3}{-0.6} = -5\\\\r = \frac{-15}{3} = -5\\\\r = \frac{75}{-15} = -5$

Thus common ratio is -5

The nth term of geometric sequence is given as:

$a_n = a \times r^{n-1}$

Where,

n is the nth term

a is the first term of sequence

r is common ratio

From sequence,

a = -0.6

r = -5

Therefore,

$a_n = -0.6 \times (-5)^{n - 1}$

Where, n = 1 , 2 , 3 , 4 , .....

Thus the recursive formula is found

3 0

3 years ago

PLEASE ANSWER what is the area of a circle with a radius of 5 inches? use 3.14 for π Enter your answer as a decimal in the box.

Elza [17]

if you times the two questions the answer is 1.5700 I hope this helps because I'm not that good at math! :)

3 0

3 years ago

Is 13.3808315197 a rational number? Need an answer fast!

LenKa [72]

Yes, because it terminates.

3 0

4 years ago

PLEASE HELP!!!!!!!!!!!!!!!!

maksim [4K]

Answer:

Step-by-step explanation:

x+2/x = 3/2

(x + 2)*2 = 3*x {cross multiplication}

2x + 4 =3x

2x-3x = -4

-x = -4

x = 4

5 0

3 years ago