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Sergeu [11.5K]
1 year ago
13

Help please fast!!!!!!!!!!!

Mathematics
1 answer:
Oduvanchick [21]1 year ago
3 0

Answer:

Step-by-step explanation:

32 tubes of yellow paint is needed

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Braceleftzf y = 8/7 x − 2/3 <br> 8/3 x + y = 5/9
givi [52]

Answer:

  (x, y) = (77/240, -3/10)

Step-by-step explanation:

It is convenient to write the equations in standard form.

Multiplying the first equation by 21 gives ...

  21y = 24x -14

Multiplying the second equation by 8 gives ...

  24x +9y = 5

Then the system of equations in standard form is ...

  • 24x -21y = 14
  • 24x +9y = 5

Subtracting the first from the second, we get ...

  (24x +9y) -(24x -21y) = (5) -(14)

  30y = -9

  y = -9/30 = -3/10

Substituting this into the second equation, we have ...

  24x +9(-3/10) = 5

  24x = 7.7 . . . . . . . add 27/10

  x = 7.7/24 = 77/240

The solution is (x, y) = (77/240, -3/10).

7 0
3 years ago
Anyone know how to find the length of x using the 30,60,90 method?
QveST [7]

9514 1404 393

Answer:

  2√5

Step-by-step explanation:

The side ratios in a 30-60-90 triangle are ...

  1 : √3 : 2

The longest side (x) is 2 times the length of the shortest side (√5), so ...

  x = 2√5

6 0
3 years ago
Read 2 more answers
Alexis wrote 28 - 8 = 20. Then she
docker41 [41]

Answer:

no this is because 28-8+9=29 and 20-9=11

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Solve and show steps. Thanks!
Angelina_Jolie [31]
On ur calculater do 9/25(x^2 - 49/9
5 0
2 years ago
Mr. Smith launched a rocket that he made with his science
andriy [413]

Answer:

It will take him less then a minute.

Step-by-step explanation:

5 0
3 years ago
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