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ad-work [718]
3 years ago
15

I dont know where these points came from. i d k man, must be the point fairy.

Mathematics
1 answer:
stira [4]3 years ago
6 0

Answer:

Thanks for the free point

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38 points please help I will give bairnleast
Goshia [24]

Answer:

i believe the fist one is a and second is b

Step-by-step explanation:

lol hope it helped u

3 0
3 years ago
Read 2 more answers
Carlos opened an account with 8400 at the end of year it had decreased by 6.5 percent. How is this decrease in dollars
muminat

Step-by-step explanation:

you have to multiply 8400 by .65 to get you the remaining money in his account after a year which is 5460 so Carlos lost 2940 dallors in one year

6 0
4 years ago
Dan built deck that is 5 feet long and 5 feet wide He built another deck that is 5 feet long and 7 wide. He built a third deck t
Elodia [21]
As the width gets larger so does the total area
5 0
4 years ago
An opaque cylindrical tank with an open top has a diameter of 3.25 m and is completely filled with water. When the afternoon Sun
kicyunya [14]

Answer:

10.69

Step-by-step explanation:

We must first know that the angle of refraction is given by the following equation:

n_water * sin (A_water) = n_air * sin (A_air)

where n is the refractive index, for water it is 1.33 and for air it is 1.

The angle (A) in the air is 22.8 °, and that of the water is unknown.

Replacing these values we have to:

1.33 * sin (A_water) = 1 * 0.387

sin (A_water) = 1 * 0.387 / 1.33

A_water = arc sin (0.2907) = 16.9 °

now for the tank depth:

h = D / tan (A_water)

D = 3.25

Replacing

h = 3.25 / tan 16.9 °

h = 10.69

Therefore the depth is 10.69 meters.

6 0
3 years ago
The difference of the range and the interquartile range of the data set represented by the box plot is .
Ivahew [28]
When presented with a box plot, it is better to identify the 5 numbers that are important in the box plot.

5 number summary of the boxplot.
1) minimum number - 16
2) 1st quartile - 21
3) 2nd quartile or median - 26
4) 3rd quartile - 29
5) maximum number - 34

Range is the difference of the maximum value from the minimum value of the data set.
Interquartile range is the difference of the 3rd quartile from the 1st quartile.

Range: 34 - 16 = 18
IQR: 29 - 21 = 7


6 0
4 years ago
Read 2 more answers
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