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Slav-nsk [51]
3 years ago
7

Help pls helpppp me plssssssssssss

Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0
5.C
6.D
I hope you get it correct
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Pi times 54 -78 <br> you cant simplify
AnnyKZ [126]

Answer :91.646

Step-by-step explanation:

sorry if worg

8 0
3 years ago
Find the exact sum of the arithmetic series <br><br> 6+3.8+⋯−29.2
matrenka [14]

Answer:

-197.2

Step-by-step explanation:

Since it is arithmetic series, first find the difference d between the two know series.

3.8 - 6 = - 2.2

d = -2.2

a = 6

Tn = -29.2

Looking for the n term, use the linear method.

Tn = a+( n - 1)d

Substitute all the parameters

-29.2 = 6+( n - 1 ) -2.2

-29.2 = 6 - 2.2n + 2.2

- 29.2 = 8.2 - 2.2n

-29.2 - 8.2 = - 2.2n

-37.4 = -2.2n

n = 37.4/ 2.2

n = 17 terms.

To Find the exact sum of the arithmetic series, use the sum formula below

Sm = n/2( 2a + (n - 1)d)

Sm = 17/2( 2 × 6 + ( 17 - 1 ) -2.2

Sm = 17/2(12 - 35.2)

Sm = 8.5( - 23.2)

Sm = - 197.2

Therefore, the exact sum of the arithmetic series is -197.2

5 0
3 years ago
There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag. What is the theoretical probability of randomly drawing
mestny [16]
The probability of drawing a red marble is 20%
7 0
3 years ago
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An electronics store sells a large flat screen television for $1,699.Last month,the store sold 8 of these television sets. About
lorasvet [3.4K]
1,699*8 = 13,592


If they it’s by two then 27,184
(1699*2=3398 * 8 = 27184
‍♀️
6 0
3 years ago
If the measure of each exterior angle of a regular polygon is 18°, determine how many sides the polygon has.
Sveta_85 [38]

we are given

exterior angle is 18

so,

\theta=18

now, we can use formula

number of sides of regular polygon = 360/(exterior angle)

so, we get

n=\frac{360}{18}

n=20

so, number sides is 20..........Answer

7 0
3 years ago
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