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kiruha [24]
3 years ago
12

Solve for x rounded to the nearest tenth. X 18 cos 70 =x/18

Mathematics
2 answers:
love history [14]3 years ago
5 0

Answer:

6.2 =x

Step-by-step explanation:

cos 70 =x/18

Multiply each side by 18

18cos 70 =x/18 *18

18cos 70 =x

6.15636258 = x

To the nearest tenth

6.2 =x

-BARSIC- [3]3 years ago
3 0

Answer:

x = 1260

Step-by-step explanation:

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3 years ago
Calculate the missing terms of the geometric sequence ...,3072, 7,2,7, 12,.... Select all that apply.
miskamm [114]

Answer:

The missing terms are 768, 192, 48.

Step-by-step explanation:

From the given geometric sequence

First term= a_1=3072

Fifth Term= a_5=12  

The general form of a geometric sequence is:

a_n=ar^(n-1)

here a_nis the nth term, a is the first term and r is the common ratio.

We will use the general form for term 5 to calculate the value of r.

So the general form for term 5 will be

a_5=3072* r^(5-1)

Putting the value of a_5

12=3072* r^4

r^4=  12/3072

r^4=  1/256

r^4=  1/[(4)^4]

Solving for r  

r=  1/4

Now  

a_2= ar^(2-1)

a_2=3072*r

a_2=3072*  1/4

a_2=768

a_3= ar^(3-1)

a_3=3072*r^2

a_3=3072*(1/4)^2

a_3=3072*  1/16

a_3=192

a_4= ar^(4-1)

a_4=3072*r^3

a_4=3072*(1/4)^3

a_4=3072*  1/64

a_4=48

6 0
3 years ago
Can someone help and please make sure it’s right :)
Rufina [12.5K]
-4
Both of those angles should be measured 112 degrees so -4+116=112
6 0
3 years ago
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