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NARA [144]
3 years ago
14

Answer this qustion plz and if get right i might give you brainlist

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0

Answer:

A

Step-by-step explanation:

SO right off the bat it cannot be c, for they do definatly change.

Next, lets find out how much they change by.

The median would now be 120. Since adding 1 more number would make it just 120. Instead of it being 120+130/2.

This is a decrease of 5. Because we can just subtract normal number by new number: 125-120=5.

Now, the mean is already 500/4. This equals 125.

So lets add 0 to that. So now we must divide it by 1 more number, 4+1=5.

That is 500/5. This equals 100.

This is a decrease of 25. Because we can again subtrasct the normal number by the new number: 125-100=25

That is 5x more of a decrease than the mean.

SO it must be A, since the mean decreased more than the median.

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In 2005, the Summerville Journal had 110,000 subscriptions. The number of subscriptions subsequently decreased by 8% each year.
barxatty [35]

Answer:

The number of subscription will be 26,655 in 2022.

Step-by-step explanation:

In 2005, the number subscription is 110,000 and it is decreased at a rate 8% per year.

After 1 year number of subscription is 110,000- 8% of 110,00

                                                              =110,000(1-8%)

After 2 years  number of subscription is 110,000(1-8%) -8% of 110,000(1-8%)

                                                               =110,000(1-8%)(1-8%)

                                                               =110,000(1-8%)²

After 2 years  number of subscription is 110,000(1-8%)² -8% of 110,000(1-8%)²

                                                               =110,000(1-8%)²(1-8%)

                                                               =110,000(1-8%)³

....

and so on.

After t year the number of subscription is

S(t)=110,000(1-8\%)^t

t= 2022-2005=17 years

\therefore S(t)=110,000(1+0.08)^{17}

          ≈26,655

The number of subscription will be 26,655 in 2022.

6 0
4 years ago
Identify the inverse g(x) of the given relation f(x).
sveta [45]
1)the last one 2) g(x) is function beacause fx is one - to-one
3 0
3 years ago
Read 2 more answers
In ΔMNO, m = 780 inches, o = 760 inches and ∠O=164°. Find all possible values of ∠M, to the nearest degree.
Mademuasel [1]

Answer:

So the answer is both

180 and 328 (but it may or may not show you "not possible, if so, then you got it right)

Step-by-step explanation:

SinA/a= SinB/b

1. SinM/780 = Sin164/760

2. 780sin164/760 = 0.2828909704

3. M = sin^-1 (0.2828909704)= 16.4328229 or 16

Check for possibility

180-16= 164

164 + 16= 180 (not possible)

164 + 164= 328 (not possible)

4 0
3 years ago
Read 2 more answers
An investor has $1100 income from bonds bearing 4% and 5%. If the amounts at 4% and 5% were interchanged, she would earn $50 mor
lions [1.4K]
So, let's set this up:

0.04x+0.05y=1100
0.05x+0.04y=1150

Let's multiply each equation by 100:
4x+5y=110000
5x+4y=115000

Now let's add those together:

9x+9y=225000

And we need to find x+y, so we just divide by 9 and get 25,000
6 0
3 years ago
The standard form of -36/34
shepuryov [24]

Assuming that you mean "simplified form", we have to cancel every common divisor of both numerator and denumerator.

36 is factored as 2^2\cdot 3^2

34 is factored as 2\cdot 17

So, the two numbers only have a factor 2 in common, meaning that the simplified form of this fraction is

-\dfrac{18}{17}

4 0
3 years ago
Read 2 more answers
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