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DochEvi [55]
3 years ago
5

I need help with this trig question

Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0
<h3>Answer:  5.6 cm</h3>

===========================================================

Work Shown:

Apply the cosine ratio to find the adjacent side AB

cos(angle) = adjacent/hypotenuse

cos(B) = AB/BC

cos(62) = AB/12

12*cos(62) = AB

AB = 12*cos(62)

AB = 5.6336587534307

AB = 5.6 cm

Make sure your calculator is in degree mode.

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8 0
3 years ago
Find first 4 terms and the 10th term of each question. 1)n2+3 2) 2n2
irina [24]

Answer:

1) 4, 7, 12 and 19

Tenth term = 103

2) 2, 8, 18, 32

Tenth term =200

Step-by-step explanation:

Given the nth term of the sequence

1) f(n)= n²+3

When n = 1

f(1) = 1²+3

f(1) = 4

When n = 2

f(2) = 2²+3

f(2) =4+3

f(2) = 7

When n = 3

f(3) = 3²+3

f(3) = 9+3

f(3)=12

When n =4

f(4) = 4²+3

f(4) = 16+3

f(4) = 19

The first four terms are 4, 7, 12 and 19

f(10)= 10²+3

f(10) = 103

Tenth term is 103

2) f(n) = 2n²

When n = 1

f(1) = 2(1)²

f(1) = 2

When n = 2

f(2) = 2(2)²

f(2) = 2(4)

f(2) = 8

When n= 3

f(3)= 2(3)²

f(3) = 2(9)

f(3) = 18

When n= 4

f(4) = 2(4)²

f(4) = 2(16)

f(4) =32

The first four terms are 2, 8, 18, 32

f(10) = 2(10)²

f(10) =2(100)

f(20) = 200

The tenth term is 200

5 0
3 years ago
3a squared cubed over 9
Arlecino [84]

The question is asking for the number form of this equation. Let's break it down in order.

Given: 3a squared cubed over 9

3a(3a) squared(3a^2) cubed ((3a^2)^3) over 9((3a^2)^3/9)

Written: ((3a^2)^3)/9

Answer: ((3a^2)^3)/9

The parenthesis around the 3a^2 means to do that first. The parenthesis around (3a^2)^3 is to show to divide the whole entire number by nine. If you have any other questions, let me know! I will try to help any way I can :)

5 0
3 years ago
if structural steel installed in 2.75 floors of a building 2 3/8 day , how long will it take to install steel in 11 floors
xeze [42]
I will take 9.5 days, to install steel in 11 floors.
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3 years ago
Find the range of the glven data set.<br> -4,-3,-1,-1, 0, 1
maksim [4K]

Answer:

-4, 1

Step-by-step explanation:

8 0
3 years ago
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