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Valentin [98]
3 years ago
13

Which expression gives the x-coordinate of the solution of the system 3x - y + z = 9?

Mathematics
1 answer:
Zolol [24]3 years ago
8 0
×=y/3-z/3+3 thats the x value in this equation
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Help how you solve this
Anettt [7]
Just add up how much Luna practiced which is 20+30+20 to get 70 and then add another 30 to get 100. So Elsa practiced for 100 minutes or 1hour 40 minutes.
8 0
3 years ago
Real numbers are (closed/not closed) under multiplication.
Sveta_85 [38]

thanks tho

<u>next time use ur head</u> Step-by-step explanation:

7 0
3 years ago
Find the quotient 6/-3/9
Savatey [412]
<h3>I'll teach you how to solve 6 divided by -3/9</h3>

--------------------------------------------------------------

6 divided by -3/9

Apply the fraction rule:

- 6/ 3/9

Apply the fraction rule:

-6*9/3

Multiply the numbers:

- 54/3

Divide the numbers:

-18

Your Answer Is -18

plz mark me as brainliest :)

5 0
3 years ago
Find the coterminal angle between 0 and 360°of the angle -280°
Bond [772]

Answer: So, the coterminal angle of 450° is -90°.

Step-by-step explanation:(i) 395°  

Write 395° in terms of 360°.

395°  =  360° + 35°

So, the coterminal angle of 395° is 35◦

(ii) 525°

Write 525° in terms of 360°.

525°  =  360° + 165°  

So, the coterminal angle of 525° is 165°.

(iii) 1150°

Write 1150° in terms of 360°.

1150°  =  3(360°) + 70°  

So, the coterminal angle of 1150° is 70°.

(iv) -270°

Write -270° in terms of 360°.

-270°  =  -360° + 90°

So, the coterminal angle of 270° is 90°.

(v) -450°

Write -450° in terms of 360°.

-450°  =  -360° - 90°  

So, the coterminal angle of 450° is -90°.

8 0
3 years ago
13/26 = x/24 solve for x <br> PLEASE ANSWER
EastWind [94]

Answer:

x= 12

Step-by-step explanation:

hope this helps!!

3 0
3 years ago
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