3 years ago

X- y– 22=-6 3x + 2y = -25 -4x + y - z=12 Please show work for the X, Y and Z values.

Mathematics

1 answer:

Bingel [31]3 years ago

3 0

Answer:2

Step-by-step explanation:just trust me

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ser-zykov [4K]

Answer:

3 students got a perfect score.

Step-by-step explanation:

Total number of students in Mrs. Grape's class = 90

Number of students who earned an A = 3/10 of 90

= $\frac{3}{10}\times 90$

= 27 students

Out of 27 students the number of students who got perfect score

= $\frac{1}{9}\times 27$

= 3 students

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