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adoni [48]
3 years ago
7

Can you please help me!

Mathematics
1 answer:
enyata [817]3 years ago
4 0
Sin(x) = 31/39
x = Sin^-1 (31/39)
I don’t have a calculator
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-12x + 18y = 21<br>(6x -9 = -9​
Leokris [45]

Answer:

x = 0 , y = 7/6

Step-by-step explanation:

Solve the following system:

{18 y - 12 x = 21

6 x - 9 = -9

In the second equation, look to solve for x:

{18 y - 12 x = 21

6 x - 9 = -9

Add 9 to both sides:

{18 y - 12 x = 21

6 x = 0

Divide both sides by 6:

{18 y - 12 x = 21

x = 0

Substitute x = 0 into the first equation:

{18 y = 21

x = 0

In the first equation, look to solve for y:

{18 y = 21

x = 0

Divide both sides by 18:

{y = 7/6

x = 0

Collect results in alphabetical order:

Answer: {x = 0 , y = 7/6

4 0
3 years ago
A) The ratio 20 minutes to 1 hour can be written in the form 1:n.<br> Find the value of n.<br> n =
Serhud [2]

Answer:

n =3

Step-by-step explanation:

20 minutes to 1 hour can also be written as 20 minutes to 60 minutes.

when simplified, you get 1:3

5 0
3 years ago
BRO PLEASE HELP ASAP
KiRa [710]

Answer:

bro i think its 10

Step-by-step explanation:

3 0
3 years ago
an antique has a price of 269. the sales tax rate for the country is 8.8%.how much sales tax will be due
AnnyKZ [126]
If you are trying to find tax, the answer is $23.67,

But if you are trying to find the total price, the answer is $292.67
3 0
3 years ago
Which linear inequality is represented by the graph?
Butoxors [25]
This answer is B because it’s negative and less thsn
3 0
3 years ago
Read 2 more answers
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