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3 years ago

How does the human body naturally create negative ions?

1 answer:

8 0

Negative ions are oxygen atoms charged with an extra electron. They are created in nature by the effects of water, air, sunlight and the Earth’s inherent radiation. We dont really create them in the human body.

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Two trains are traveling at a constant seed on different tracks Which train is traveling faster

EleoNora [17]

Answer:

Whichever train has the greatest numbers

Step-by-step explanation:

4 0

3 years ago

Find the GCF. 12 and 45 A. 180 B. 3 C. 45 D. 12

marin [14]

The greatest common factor that twelve & forty-five share is three.

7 0

3 years ago

A triangle has angles that measure 46 and 84 what is the third angle?

pentagon [3]

The measure of the third angle is 50 because a triangle has a sum of 180 degrees by angle.

so... 46+84=130 and to get to 180, the last angle has to be worth 50.

5 0

3 years ago

In the morning, Drake practiced his guitar for 65 minutes. Later that afternoon, he practiced for a more minutes, Enter an equat

cricket20 [7]

65+a Is the answer. 65 minutes plus a

6 0

2 years ago

Hello math olzzzzzzz

galben [10]

Answer:

Checkmark:

✓ The sequence is geometric

✓ The recursive formula for the sequence is $An = A_{n-1}(-3)$ ; $A_{1} =-2$

✓ The explicit formula for the sequence is $t_{n} = (-2) (-3)^{n-1}$

Step-by-step explanation:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by -3 gives the next term.

r = -3

$t_{n} = t_{1} r^{n-1}$

$t_{1}$ = -2

Substitute the values in the equation:

$t_{n} = (-2) (-3)^{n-1}$

This is a explicit formula since the next value depends on the position of n (1, 2, 3 .etc)

The recursive formula would be:

$An = A_{n-1}(-3)$

Checkmark:

✓ The sequence is geometric

✓ The recursive formula for the sequence is $An = A_{n-1}(-3)$ ; $A_{1} =-2$

✓ The explicit formula for the sequence is $t_{n} = (-2) (-3)^{n-1}$

6 0

3 years ago