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Elenna [48]
3 years ago
12

I need help please and thank you

Mathematics
2 answers:
NemiM [27]3 years ago
6 0

Answer:

7x-32=3

32+3= 35

7x=35

35/7

x=5

the answer is 5

Plz mark as brainliest

LiRa [457]3 years ago
5 0

Answer:

x=5

Step-by-step explanation:

1. you add 32 to each side of the equation to get 35

your new equation would be 7x=35  

now you divide both sides by 7 to get 5

so therefore x=5

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3 years ago
A polling organization announces that the proportion of American voters who favor congressional term limits is 64 percent, with
kvasek [131]

Answer:

We are 95% confident that the proportion of American voters who favor congressional term limits is 64 percent with a difference of 3% for small sample size.

Step-by-step explanation:

95 % confidence means that we are 95 % confident that the the proportion of American voters who favor congressional term limits is 64 percent.

95 % confidence  means that of all the sample about 95 %  values are within in the given range.

And only 5% sample are not included in the given parameter.

Margin of error is the amount of miscalculation or difference in change of circumstances from the obtained data.

3% margin of error usually occurs when the data size is small.

As the data size increases the margin of error decreases.

So this statement tells us that we are 95% confident that the proportion of American voters who favor congressional term limits is 64 percent with a difference of 3% for small sample size.

Margin of error= z *σ/√n→

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3 0
2 years ago
Please help with answer!
Ghella [55]

Answer:

0.12 x (x + 3000) = 4200

equation for her salary last year : last year's salary = (4200 / 0.12) - 3000

$32,000

Step-by-step explanation:

Let x = last year's salary

this year's salary = 3000 + x

this equation can be used to determine how much she saved this year = 0.12 x (x + 3000) = 4200

to find last year's salary, make x the subject of the formula

4200 / 0.12 - 3000 = x

x = $32,000

8 0
3 years ago
Five teachers and five students want to but ice cream from the cafeteria. The cafeteria sells chocolate,strawberry,cotton candy,
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Answer:

13.75

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First you know there are 5 students and 5 teachers, for each student it costs 6.25 and for every teacher it cost 1.50. So 5 teachers x 1.50= 7.5. 5 students x 1.25 =6.25. 7.5 +6.25= 13.75

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3 years ago
The cube has a volume of 27 in3. Find the volume of a scaled image with a scale factor of 2. in3 Cube with a side length of thre
WINSTONCH [101]
The new size of cube's side is 6. V new cube = 6*6*6 = 216 

7 0
3 years ago
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