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In-s [12.5K]
3 years ago
10

WELP ME PLZZ THANKSSS

Mathematics
1 answer:
Luden [163]3 years ago
5 0

Answer:

I got 32169.91

Step-by-step explanation:

so I would put D bc it's closest

Hope This Helps!     Have A Nice Day!!

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98. What is the sum of the first 27 terms in the arithmetic series 25 +19+13 + ...?​
jeka57 [31]

Answer:

sum of the first 27 terms = -1431

Step-by-step explanation:

<h3>arithmetic series sum of the first n terms formula:</h3>

s_{n}  =  \frac{n}{2}  (2a + (n - 1)d)

n = 27 terms

first term, a = 25

common difference, d = 19 - 25 = -6

substitute the values into the formula

s_{27} =  \frac{27}{2} (2(25) + (27 - 1)( - 6))

s_{27} = 13.5(50 + 26( - 6))

s_{27} = 13.5(50 - 156)

s_{27} = 13.5( - 106)

s_{27}  =  - 1431

4 0
2 years ago
Find the number that belongs in the green box.<br><br>Round your answer to the nearest tenth​
Umnica [9.8K]

Answer:

134.5 degree

Step-by-step explanation:

first find the remaining side of a triangle

BY using cosine rule

C^2=A^2+B^2-2ABcosx

apply square root both sides

√c^2 =√[4^2+10^2-2(4)(10)cos29]

C=√(116-69.96958)

C=√46.03

C=6.8

Now find angle using cosine rule

C^2=A^2+B^2-2ABcosx

10^2=4^2+6.78^2-2(4)(6.78)cosx

100=16+45.9684-54.24cosx

100=61.9684-54.24cosx

100-61.9684=-54.24cosx

(38.0316)/-54.24=(-54.4cosx)/-54.24

-0.70117=cosx

X= cos inverse of -0.70117

x=134.5 degree

5 0
2 years ago
Read 2 more answers
If snow accumulates at a rate of 2 inches every 3 hours, how many hours will it take to accumulate 2 feet of snow?​
Effectus [21]

Answer:

12hours

Step-by-step explanation:

24inch-2feet

24/2=12

7 0
2 years ago
Read 2 more answers
A man selling computer parts realizes that when he sells 16 computer parts, his earning is $1700. When he sells 56 computer part
natta225 [31]

We need to find the unit rate. To do so, divide the amount of money he makes by the number of parts sold. 1,700 / 16 = 106.25. So, if the man sells one computer part, he gets $106.25. To find the price of 30 parts, multiply 106.25 by 30. 106.25 * 30 = $3,187.50

The man will make $3,187.50 if he sells 30 parts.

4 0
3 years ago
Read 2 more answers
6. (08.02 MC)
MariettaO [177]

Answer:

The percentage change in volume between cylinder A and cylinder B is 50%

Step-by-step explanation:

The volume of a cylinder is given by the formula

V= πr^2h

For cylinder A, where r=7 and h= 5, π=22/7

V= π * 7^2 * 5

V= π * 49 * 5

V= 769.69 cubic inch

For cylinder B

V= 490π

V= 1539.3804 cubic inch

The percentage change in volume between cylinder A and cylinder B

=[ (VA- VB)/VB] *100

=( 1539.3804 - 769.69) / 1539.3804

= 0.5000 * 100

= 50%

8 0
3 years ago
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