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Rudik [331]
3 years ago
10

Match each expression to its simplified form.

Mathematics
2 answers:
erastovalidia [21]3 years ago
3 0
????? Is there supposed to be an image or something?
Butoxors [25]3 years ago
3 0

Answer: what expression

Step-by-step explanation:

You might be interested in
Please only say something if you really know it
ale4655 [162]

Answer:

y = 100 2^h

Step-by-step explanation:

The formula for growth is given by

y = ab^x

where a is the initial value and b is the growth rate

a = 100

b = 2 since we are doubling

x is the amount of time = h

y = 100 2^h

5 0
3 years ago
Find the MAD {42, 50, 54, 38, 48). Round to nearest hundredth (two
makkiz [27]

Answer:

MAD is 5.12

Step-by-step explanation:

The following data were obtained from the question:

42, 50, 54, 38, 48

Next, we shall determine the mean of the data. This can be obtained as follow:

Mean = summation X / n

n is the number of the data.

Summation X = 42 + 50 + 54 + 38 + 48

Summation X = 232

n = 5

Mean = summation X / n

Mean = 232 / 5

Mean = 46.4

Therefore, the mean of the data is 46.4

Finally, we shall determine the mean absolute deviation (MAD) of the data as follow:

MAD = summation |mean – X| /n

MAD = (|(46.4 – 42) + (46.4 – 50) + (46.4 – 54) + (46.4 – 38) + (46.4 – 48|) /5

MAD = |4.4 + 3.6 + 7.6 + 8.4 + 1.6| /5

MAD = 25.6/5

MAD = 5.12

Therefore, the mean absolute deviation (MAD) is 5.12

5 0
3 years ago
I have a goal of getting exactly $100. But I have to pay a tax of 10%. How much money do I need to get in order to have exactly
frosja888 [35]
<h3>Answer:  $111.11</h3>

=======================================================

Explanation:

Let's say you earn x dollars.

You pay 10% tax on that, which means you pay 0.10x dollars.

This would drop to x-0.10x = 0.90x which is the amount earned after tax.

So you pay 10% of what you earn, and keep 90% of the rest.

Set this equal to the target $100 you want and solve for x.

0.90x = 100

x = 100/0.90

x = 111.11

Notice that 10% of this is 0.10*x = 0.10*111.11 = 1.11 when rounding to the nearest penny. So you'll pay $1.11 in tax. Therefore, you'd have x-0.10x = 111.11 - 1.11 = 100 left over. So the answer checks out.

7 0
3 years ago
(15 Points!)
slava [35]
I would say D) because even though it has a higher ARP but it does have a lower annual fee

3 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Clarge%7B%5Cbold%20%5Cred%7B%20%5Csum%20%5Climits_%7B8%7D%5E%7B4%7D%20%7Bx%7D%5E%7B2%7D%2
kiruha [24]

Answer:

No solution

Step-by-step explanation:

We have

$\sum_{x=8}^{4}x^2 + 9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)$

For the sum it is not correct to assume

$\sum_{x=8}^{4}x^2= 8^2 + 7^2+6^2+5^2+4^2 = 64+49+36+25+16 = 190$

Note that for

$\sum_{x=a}^b f(x)$

it is assumed a\leq x \leq b and in your case \nexists x\in\mathbb{Z}: a\leq x\leq b for a>b

In fact, considering a set S we have

$\sum_{x=a}^b (S \cup \varnothing) = \sum_{x=a}^b S + \sum_{x=a}^b \varnothing $ that satisfy S = S \cup \varnothing

This means that, by definition \sum_{x=a}^b \varnothing = 0

Therefore,

$\sum_{x=8}^{4}x^2 = 0$

because the sum is empty.

For

9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)

we have other problems. Actually, this case is really bad.

Note that \cos^2(\infty) has no value. In fact, if we consider for the case

$\lim_{x \to \infty} \cos^2(x)$, the cosine function oscillates between [-1, 1] , and therefore it is undefined. Thus, we cannot evaluate

9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)

and then

$\sum_{x=8}^{4}x^2 + 9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)$

has no solution

7 0
3 years ago
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