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icang [17]
3 years ago
9

For the following data set, select the best method for summarizing the data.

Mathematics
1 answer:
Rasek [7]3 years ago
6 0

D

Step-by-step explanation:

the mean is the average of the set of numbers, which makes it perfect for summarizing data.

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The surface area of an oil spill gets 131% larger every day, represented by the function s(x) = (1.31)x − 1. On the first day, i
scoray [572]

Answer:

The correct option is B.

Step-by-step explanation:

It is given that the surface area of an oil spill gets 131% larger every day, represented by the function

Where x is number of days.

On the first day, it covered an area of 21 square meters. It means the initial area is 21 square meters.

The function is defined as

Where is initial value and b is growth factor.

It means the function of new area is the product of initial area and increasing area function. The required function is

Therefore option B is correct.

6 0
3 years ago
Algebraaa pleaseeee helppp
Pani-rosa [81]

Answer:

A) The sequence is geometric because the sequence is increasing by a factor of 2 being multiplied to each term, when ascending from left to right.

B) a_{n} = 5(2)^{n-1}

C) a_{n} = a_{n-1} *(2) ;a_{1}= 5

Step-by-step explanation:

The sequence is multiplying each term by a factor of 2.

5*2=10

10*2=20

20*2=40

6 0
2 years ago
Help me<br> This is Geometry
sdas [7]

Step-by-step explanation:

X+3 =2X +1

X= 2

sides,,5,5 ,6 ft

perimeter = 5+5+6 = 16

4 0
3 years ago
I'm genuinely lost in any problems like this and my teachers are no help, I need help doing exponents in general, everything to
Stolb23 [73]

Answer:

See below.

Step-by-step explanation:

4)

So we have the expression:

(-6n^{-3})^2

We can use the power of a product property, where:

(ab)^n=a^n\cdot b^n

So:

=(-6)^2\cdot(n^{-3})^2

For the left, -6 squared is the same as -6 times -6. This equals positive 36.

For the right, we can use the power of a power property. The property says that:

(a^n)^k=a^{nk}

So:

(n^{-3})^2=n^{(-3)(2)}\\=n^{-6}

So, all together, we have:

=(-6)^2\cdot(n^{-3})^2\\=36n^{-6}

6)

We have the expression:

-\frac{3x^0}{x^4}

First, note that anything to the zeroth power (except for 0) is 1, thus, x^0 is also 1. Simplify:

=-\frac{3}{x^4}

And that's the simplest we can do :)

Notes for 6)

We <em>can</em> put the x^4 to the numerator. Recall that when you put an exponent to opposite side, you put a negative. In other words:

x^n=\frac{1}{x^{-n}}

And vice versa:

\frac{1}{x^{-n}}=x^n

So, we can write the above as:

=-\frac{3}{x^4}\\=-\frac{3}{x^{-(-4)}}\\=-3x^{-4}

However, traditionally, we want only positive exponents, so this wouldn't be correct.

4 0
4 years ago
Read 2 more answers
Arun spent 25% of his pocket money and has Rs 125 left how much had he at first​
Nonamiya [84]

Answer:

Rs166.67

Step-by-step explanation:

Let

x -----> amount of money Arun has in his pocket at the beginning

we know that

100%-25%=75%

75%=75/100=0.75

so

The linear equation that represent this situation is

0.75x=125

Solve for x

Divide by 0.75 both sides

x=125/0.75

x=Rs166.67

8 0
3 years ago
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