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Naddik [55]
3 years ago
11

8.8 is 40% of what number ?

Mathematics
1 answer:
kogti [31]3 years ago
4 0
First let’s reword this to, 40% of what number is 8.8.

When we say this, it means that 2/5x=8.8.
Once we solve we get x=22
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The 3 angles of a triangle add up to 180 degrees. If all 3 sides are different in length then the angles are also different.

Its choice 1

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laptop screen sizes are determines by the diagonal measurement rounded to the nearest whole number a laptop screen has a 9 in wi
Delvig [45]
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Formula
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a² + b² = c²

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Find Diagonal
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9² + 7² = c²
c² = 81 + 49
c² = 130
c = 11 in (Nearest whole number)

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Answer: The diagonal measure 11 inches
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Hi can anyone help with this I'm really tired ngl<br><br>What is the area of the hexagon
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371.2

Step-by-step explanation:

5 0
2 years ago
A poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ag
Katyanochek1 [597]

Answer:

At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

Step-by-step explanation:

Given that a poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ago.

Let five years ago be group I X and as of now be group II Y

H_0: p_x =p_y\\H_a: p_x \neq p_y

(Two tailed test at 5% level of significance)

                Group I            Group II              combined p

n                  270                 300                         570

favor            120                  140                          260

p                   0.4444            0.4667                   0.4561

Std error   for differene = \sqrt{\frac{0.4561(1-0.4561)}{570} } \\=0.0209

p difference = -0.0223    

Z statistic = p diff/std error =       -1.066

p value =0.2864

Since p value >0.05, we accept null hypothesis.

        At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

7 0
3 years ago
6. You and your family went to a restaurant and the bill came to $120. You decide to
ivann1987 [24]

Answer:

c

Step-by-step explanation:

18 percent of 120 is 21.6

6 0
2 years ago
Read 2 more answers
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