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torisob [31]
3 years ago
10

Karen decides to use a random sample to determine her classmates' favorite

Mathematics
1 answer:
Simora [160]3 years ago
8 0
Yes, her question is biased because as she asked, she specifically asks about the color green, not giving the option of the classmate to choose their favorite color.
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A book club has 200 members
nikklg [1K]
So these are decmials of the accutal total so

.32=32%
what makes this question easy is that there are 200 members so to convert the percents into accutall numbers so like .32=32%=64 people (since 200 is 2 times of 100)

A. fiction of 31-40 compared to 21-30
fiction 31-40=.38=38%=76 readers
fiction 21-30=.32=32%=64 readers
76-64=12
A is FALSE

B. so we want to know how many people are 31-40 and prefer fiction
so .38=38% and 38% of 200=76
B is FALSE

C 43 members are 21-30
so we look at the total row for the 21-30 people and see that .43 or 43% or 86 people are in the 21-30 age group
C is FALSE

D. 140 members prefer fiction
look at the total column for fiction and see that .70 like fiction .70=70%=140 people
D is TRUE

so A,B,C are FALSE
D is TRUE
7 0
3 years ago
Find the function !!! 10 points - Help needed!
Arte-miy333 [17]
<h2>Hello!</h2>

The answer is:

The first option,

f^{-1}(x)=\frac{x-2}{4}

<h2>Why?</h2>

To find the inverse of a function, we need to rewrite the variable "x" with "y" and the variable "y" with "x", and then, isolate "y".

We are given the function:

f(x)=4x+2

Write "f(x)" is equal to write "y", so:

y=4x+2

Now, finding the inverse, we have:

y=4x+2\\x=4y+2\\x-2=4y\\y=\frac{x-2}{4}

Hence, we have that the answer is the first option,

f^{-1}(x)=\frac{x-2}{4}

Have a nice day!

4 0
3 years ago
Read 2 more answers
Estimate the unit rate of 12 pairs of socks sell for $5.79 any body knows what the answer is?​
Minchanka [31]

Answer:

About  $0.24 per sock

Step-by-step explanation:

12 pairs = 24 socks

5.79/24 = 0.24125

8 0
3 years ago
Read 2 more answers
BER33333 Solving a word problem with two unknowns using a linear...
garri49 [273]

Answer:

56

Step-by-step explanation:

x+x+8=104

2x=96

x=48

48+8=56

7 0
3 years ago
Can someone please help me
Ede4ka [16]

Answer:

27.4 km

Step-by-step explanation:

vertical line- y

17 km/y= tan 54

y= 17/tan 54= 25.2 km

25.2/x= cos 23

x= 25.2/cos 23= 27.4 km

7 0
3 years ago
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