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madreJ [45]
3 years ago
15

Find the Arithmetic mean between 6 and 12​

Mathematics
2 answers:
mafiozo [28]3 years ago
6 0

Step-by-step explanation:

Arithmetic mean

A.M. =  \frac{6 + 12}{2}  =  \frac{18}{2}  = 9 \\

vodka [1.7K]3 years ago
3 0

Answer:

The~arithmetic~mean~between~6~and~12~is:9

Step-by-step explanation:

Greetings!

I'm~Isabelle~Williams~and~I~will~be~answering~your~question!

Compute~the~sum~of~the~data~set:

6+12

=18

Compute~the~number~of~terms~in~the~data~set:

\left[\begin{array}{ccc}6&12\\1&2\\\end{array}\right]

The~number~of~terms~in~the~data~is:

2

Divide~the~sum~by~the~number~of~terms~and~simplify:

\frac{18}{2}

=9

Thus,~the~arithmetic~mean~between~6~and~12~is:9

Hope~my~answer~helps!~Have~an~amazing~day~ahead!

-Isabelle~Williams

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-3/5 + ( - 1/10) simplified fraction
34kurt

Answer:

-1/2

if it's not right let me know

Step-by-step explanation:

5 0
2 years ago
I'm really bad at age chart problems.<br> Can someone help me with this and provide an explanation?
Fed [463]

Answer: 10

Step-by-step explanation:

tony is 5 years younger than Marvin's age 1 year from now.

t = (m+1) - 5

t = m - 4

6 years ago tony was half as old as marvin was then.

t - 6 = 1/2(m - 6)

Get rid of the fraction, multiply both sides by 2

2(t-6) = m - 6

2t - 12 = m - 6

2t = m - 6 + 12

2t = m + 6

from the first statement, replace t with (m-4)

2(m-4) = m + 6

2m - 8 = m + 6

2m - m = 6 + 8

m = 14 is Marvin's present age

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how old is tony now?

t = 14 - 4

t = 10 yrs is tony's age

4 0
2 years ago
Find the intervals on which the function is increasing or decreasing.
Assoli18 [71]
To solve this, you have to know that the first derivative of a function is its slope. When an interval is increasing, it has a positive slope. Thus, we are trying to solve for when the first derivative of a function is positive/negative.

f(x)=2x^3+6x^2-18x+2
f'(x)=6x^2+12x-18
f'(x)=6(x^2+2x-3)
f'(x)=6(x+3)(x-1)
So the zeroes of f'(x) are at x=1, x=-3
Because there is no multiplicity, when the function passes a zero, he y value is changing signs.
Since f'(0)=-18, intervals -3<x<1 is decreasing(because -3<0<1)
Thus, every other portion of the graph is increasing.
Therefore, you get:

Increasing: (negative infinite, -3), (1, infinite)
Decreasing:(-3,1)
6 0
2 years ago
How many dots are in the 4th step?
Mkey [24]

Answer:

32

Step-by-step explanation:

if you look at the diagram the dot goes up 1 each. It also makes another row which makes 4 rows total. Since 3 contains 7 dots and 3 rows we would do 8 in 4 rows. 8 x 4 is 32.

Hope this helped!

7 0
2 years ago
Read 2 more answers
Prove that A is a subset of B if and only if B complement is a subset of A complement.
WITCHER [35]
Please read the attached file

3 0
2 years ago
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