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Serggg [28]
3 years ago
10

Which expression is equivalent to (10x)^-3?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
4 0
(10x)^ (-3)
= 1/ [(10x)^3]
= 1/ [10^3* x^3]
= 1/ (1000x^3)

The final answer is 1/ (1000x^3), and I don't think there is a correct option to choose from. ( option c would be correct if it were written with round brackets)

Hope this helps~
Reptile [31]3 years ago
4 0

Answer:

The answer is C on edgu

Step-by-step explanation:

I did the quiz

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Find the value of x in the triangle shown below. (khan academy :)
EastWind [94]

Answer:

9.49 units

Step-by-step explanation:

x is the hypotenuse of the triangle.

Using Pythagoras Theorem,

The length of x

=  \sqrt{ {9}^{2}  +  {3}^{2} }

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5 0
3 years ago
Alex invests his money in an account paying 2% interest compounded semiannually. What is the effective annual yield on this acco
Travka [436]

Answer: 2.01%.

Step-by-step explanation:

Suppose Alex invests $1 into the account for one year. The formula is A=P0⋅(1+rk)N⋅k with P0=$1. We know that r=0.02 and k=2 compounding periods per year. Now, N=1 year. Substituting the values we have A=$1⋅(1+0.022)2=$1.0201. Now, to calculate the effective annual yield, we will use the formula rEFF=A−P0P0. rEFF=1.0201−11=0.0201 or 2.01%. When rounded to two decimals, rEFF=2.01%. However, do not include the % in your answer.

3 0
3 years ago
What is the area of the obtuse triangle given below?
Aloiza [94]

Answer:

C. 49 sq units

Step-by-step explanation:

Area of a triangle is

A = 1/2bh

base is 14 and height is 7

14 * 1/2 is 7

7*7 = 49

8 0
4 years ago
The mean and median are two examples of what
wel

Answer:

Mean, median and mode are numbers that represent a whole set of data or information. Mean, median and mode are together called the measures of central tendency.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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