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ahrayia [7]
3 years ago
13

180 people or 40% of those surveyed do not want a mall. How many people were surveyed?

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer:

72 people

Step-by-step explanation:

multiply 180 by the decimal form of 40%

180 x 0.40 = 72

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How many solutions does the following equation have?<br> -4(+5) = -4- 20
Rus_ich [418]

Answer:

0

Step-by-step explanation:

Try looking at it in 2 ways- left side and right side. On the left side we have -4*5, which equals -20. On the right we have -4-20, which equals -24. so then when we add it all together (not literally) we get -20=-24. Since -20 and -24 obviously do not equal eachother, there is no solution.

4 0
3 years ago
You work for a consumer advocate agency and want to find the mean repair cost of a washing machine. As part of your study, you r
Alenkasestr [34]

Answer:

90% confidence interval for the population mean is between a lower limit of $92.18 and an upper limit of $107.82.

Step-by-step explanation:

Confidence interval for a population mean is given as mean +/- margin of error (E)

mean = $100

sd = $25.20

n = 30

degree of freedom = n-1 = 30-1 = 29

confidence level (C) = 90% = 0.9

significance level = 1 - C = 1 - 0.9 = 0.1 = 10%

critical value (t) corresponding to 29 degrees of freedom and 10% significance level is 1.699

E = t×sd/√n = 1.699×25.20/√30 = $7.82

Lower limit of population mean = mean - E = 100 - 7.82 = $92.18

Upper limit of population mean = mean + E = 100 + 7.82 = $107.82

90% confidence interval is ($92.18, $107.82)

6 0
3 years ago
Read 2 more answers
When positive integer x is divided by positive integer y, the remainder is 9. If = 96.12, what is the value of y ? 96 75 48 25 1
NeTakaya

Y= 75.

Lets try to solve it,

When positive integer x is divided by positive integer y, the remainder is 9

=> x=qy+9;

=> x/y=96.12

=>x=96y+0.12y (so q above equals to 96);

=>0.12y=9

=> y=75.

Hence the value of y would be 75.

Learn more about Positive Integer on:

brainly.com/question/1367050

#SPJ4

4 0
2 years ago
Which pairs are like terms in the expression below? Select all that apply.
seraphim [82]

9514 1404 393

Answer:

 B, E

Step-by-step explanation:

Like terms are ones that have the same variable, or that have no variable at all.

There are two terms with y as the variable. These are like terms.

There are two constant terms (with no variable). These are like terms.

The like term pairs are ...

  • 25y and -0.2y (B)
  • -6 and -2 (E)
3 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!
pav-90 [236]
Measure of Angle 2 = 100 degrees
measure of Angle 6 = 100 degrees

Since angle 2 and angle 6 are both 100 degrees, this makes them congruent angles. They are also corresponding angles as well.

The fact we have corresponding angles that are congruent leads to AB being parallel to CD. This is using the Converse of Corresponding Angles Theorem.

5 0
3 years ago
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