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3 years ago

Jodie read 42 randomly chosen books from each library in her city. Each library is the same size.

Mathematics

1 answer:

ahrayia [7]3 years ago

3 0

Answer:

Yes!

Step-by-step explanation:

The definition of Representative is

A representative sample is a group or set chosen from a larger statistical population or group of factors or instances that adequately replicates the larger group according to whatever characteristic or quality is under study

so your book is whats understudy and with that you'll know that yes, yes it is

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Simplify expression x8y-26/x14y-5 × x-39y-21

koban [17]

The simplified form of the expression is $x^{-45} y^{-42}$

<h3>Simplifying an expression</h3>

From the question, we are to simplify the given expression

The given expression is

$\frac{x^{8}y^{-26} }{x^{14}y^{-5} } \times x^{-39} y^{-21}$

The expression can be simplified as shown below

$\frac{x^{8}y^{-26} }{x^{14}y^{-5} } \times x^{-39} y^{-21}$

$\frac{x^{8} \times x^{-39} \times y^{-26} \times y^{-21} }{x^{14} \times y^{-5} }$

$\frac{x^{8+-39} \times y^{-26+-21} }{x^{14} \times y^{-5} }$

$\frac{x^{8-39} \times y^{-26-21} }{x^{14} \times y^{-5} }$

$\frac{x^{-31} \times y^{-47} }{x^{14} \times y^{-5} }$

Then,

$\frac{x^{-31} }{x^{14} } \times \frac{ y^{-47} }{ y^{-5} }$

$x^{-31-14} \times y^{-47--5}$

$x^{-31-14} \times y^{-47+5}$

$x^{-45} \times y^{-42}$

$x^{-45} y^{-42}$

Hence, the simplified form of the expression is $x^{-45} y^{-42}$

Learn more on Simplifying an expression here: brainly.com/question/2320607

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3 0

2 years ago

Hello I'm Chloe Can you help me, Thank you :)

andrew-mc [135]

Answer:

b is correct

Step-by-step explanation:

3 0

3 years ago

Which of the given values are in the interval (-3,1]?

Vladimir [108]

The values coming in the interval (-3,1] are -2, -1, 0, and 1.

<h3>What is defined as the term interval notations?</h3>

An interval is represented on a number line using interval notation. In all other sayings, it is a method of writing real number line subsets.
An interval is made up of numbers that fall between two specific data set.
Intervals can be categorized according to the numbers in the set.

Interval Open: The endpoints of a inequality are not included in this type of interval.
Interval Closure; The endpoints of a inequality are included in this type of interval.
Interval with Half-Open Doors: This interval contains only one of inequality's endpoints.

The given interval notation is;

(-3,1], it is the case of half open half close.

-3 comes with the open interval, it means its value will not be included in the interval.

1 is with the closed interval, it means its value will be included in the interval.

Thus, the values lying between the interval (-3, 1] are -2, -1, 0, and 1.

To know more about the interval notations, here

brainly.com/question/16768997

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1 year ago

Match the logarithmic functions with their corresponding x-values

cricket20 [7]

We have the following functions:
log2x=5
log10x=3
log4x=2
log3x=1
log5x=4
Let's rewrite each function to solve for x:
x=2^5=32
x=10^3=1000
x=4^2=16
x=3^1=3
x=5^4=625
Answer:
Matching each function with the solution we have:
log2x=5 ----------->32
log10x=3---------->1000
log4x=2------------>16
log5x=4------------>625

3 0

3 years ago

18, 24, 26, 30<br> Mean:<br> Median:<br> Range:

Paha777 [63]

Answer:

mean: 24.5

median:25

range:12

Step-by-step explanation:

i asked alexa...

7 0

2 years ago