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Ne4ueva [31]
3 years ago
15

What percent of 99.2 is 91

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
7 0
To find percent, you take 91 and divide it by 99.2 then multiply by 100.

(91/99.2) × 100 = 91.92%
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Using two independent samples, two population means are compared to determine if a difference exists. The population standard de
ANTONII [103]

Answer:

Hence the degrees of freedom are associated with the critical value is 25.

Step-by-step explanation:

Using two independent samples, two population means are  

compared to determine if a difference exists, the population standard deviation is equal.  

sample size 1 = n_{1}= 15 and sample size 2 = n_{2} = 12  

since, population standard deviations are equal, required degrees of freedom              

= n_{1}  + n_{2} - 2 \\= 15 + 12 - 2\\ = 25  

8 0
2 years ago
Kamrynn is looking at her five quiz scores of 96 90 94 93 and 90. Determine the mean rounded to the nearest tenth median mode an
Romashka [77]

Answer:

Mean = 90, Median = 93, Mode = 90, Range = 6

Step-by-step explanation:

Mean:

96 + 90 + 94 + 93 + 90 = 463

463 ÷ 5 = 92.5

92.5 to nearest tenth = 90

Mean = 90

Median:

<em>90, 90</em>, <u>93</u>, <em>94 ,96</em>

Median = 93

Mode

<em>96, </em><u>90</u><em>, 94, 93, </em><u>90</u><em> </em>

Mode = 90

Range:

96 - 90 = 6

Range = 6

8 0
2 years ago
Explain why solving the equation - 3n - 4 = 2 is different from solving the
Klio2033 [76]

Answer:

Step-by-step explanation:

First get the answer to -3n - 4 = 2

-3n - 4 + 4 = 2 + 4

-3n = 6

n = 6/-3

n = -2

That answer is the only one that is permitted. It is the only one that completely satisfies the equation.

Now when you do the inequality, look what happens.

-3n - 4 < 2              Add 4 to both sides.

-3n-4+ 4 < 2+4

-3n < 6                  Now there are a bunch of ways (2) to solve this.  

                            No matter which way you do it, the arrow will change.

-3n/-3 > 6/-3

n > - 2

That means that any number that is greater than - 2 will satisfy the inequality.

So n = 0 will work. Even n = - 1 will work. Anything bigger than -2 will work. The equation does not provide that kind of latitude.

7 0
2 years ago
Find the slope-intercept equation of the line,
netineya [11]

Answer:

slope is 2/4

Step-by-step explanation:

6 0
2 years ago
if my goal is 27,729,350 and i get 150 closer every minute and 15 seconds how long is it going to take me to get to my goal
oksano4ka [1.4K]

Answer: 13,864,675 seconds

Step-by-step explanation:

I minute 15 seconds = 75 seconds

That means it takes 75 seconds to achieve 150 , and it takes x seconds to achieve 27,729,350. Interpreting this in proportion form , we have:

150 ------ 75 seconds

27,729,350 ------- x seconds

Then

150x = 27,729,350 X 75

150x = 2,079,701,250

x =  2,079,701,250 / 150

x = 13,864,675

That means it takes 13,864,675 seconds to achieve the goal , converting this to minutes, we have:

231,077.9 minutes

5 0
2 years ago
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