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Anna71 [15]
3 years ago
13

In a certain town 22 of voters favor a given ballot measure for groups of 21 voters find the variance for the number who favor t

he measure
Mathematics
2 answers:
IceJOKER [234]3 years ago
7 0

Answer:

4.6

Step-by-step explanation:

Allow me to revise your question and hope it will be the same as the original one:

<em>In a certain town 22% of voters favor a given ballot measure for groups of 21 voters find the variance for the number who favor the measure</em>

<em>a. 1.9 </em>

<em>b. 13 </em>

<em>c. 4.6 </em>

<em>d. 3.6</em>

Here is my answer:

Given:

  • 22% of voters favor a given ballot = 0.22
  • Groups of 21 voters

So the variance is: 21*0.22 = 4.6

We choose B

nasty-shy [4]3 years ago
4 0
What is the equation.
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Pls answer this is due in 30 minutes
ziro4ka [17]

Answer:

1a) t = 0.17b

1b) $36.03

2) 51,167.50

Step-by-step explanation:

1a) 17% converted to a decimal (divide by 100) = 0.17. Multiply that by the amount of the bill (before tipping) to get the amount of the tip

1b) The bill of $248 represents the entire bill (100%) plus the tip amount (17%) which makes 117%. As a decimal, this is 1.17.

To find what the cost was without the tip, divide the bill total by 1.17

248/1.17 = 211.97. That was the bill before the tip was added.

248-211.97 = 36.03 was the tip added.

2) 5.5% converted to a decimal is 0.055

0.55 x 48,500 = 2667.50

$2,667.50 + $48,500 = 51,167.50

Or, you can use what we did in 1b, and his new salary is 1.055 times 48,500

1.055 x 48,500 = 51,167.50

6 0
3 years ago
Graph f(x) = 2x^4+3 <br> let x = 0, 1, and 2.<br> please show your work
mestny [16]
Sub those points for x
f(x) is the y

(x,y)

so for x=0
f(0)=2(0)^4+3
f(0)=0+3
f(0)=3
(0,3) is a opint

for x=1
f(1)=2(1)^4+3
f(1)=2(1)+3
f(1)=2+3
f(1)=5
(1,5) is another point

for x=2
f(2)=2(2^4)+3
f(2)=2(16)+3
f(2)=32+3
f(2)=35
(2,35) is another point


points are
(0,3)
(1,5)
(2,35)
3 0
3 years ago
For problem number four on the paper I’m confused I don’t know how to do the table with decimals can someone please explain how
Lostsunrise [7]

Answer:

$7.00

Step-by-step explanation:

2.10 \div 6 = 0.35

4a) 1 oz of coffee is equal to 0.35c, which is consistent with everything in the table.

4b)Knowing this, if we have 20 oz of coffee, and we multiply it by 0.35, we will get how much it costs for this cup.

20*0.35 = 7.00

Hope this makes sense and feel free to ask questions!

6 0
2 years ago
I need help please.
enot [183]

Answer:

The answer is D. 2

Step-by-step explanation:

exponential form

exponents equal

move constant to the right

subtract the number

divide both sides by 2

6 0
4 years ago
Solve the inequality 3(x + 2) &gt; 0.
Murljashka [212]

Answer:

B.) x>-2

Step-by-step explanation

3 0
3 years ago
Read 2 more answers
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