Answer:
31
Step-by-step explanation:
We need to substitute values of x and y into given formula
40 - (9x) +y² = 40 - (9*2) + 3² = 40 - 18 + 9 = 31
Answer:
40-(9*2)+3^2
= 40 - 18 +9
= 31
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4a + 1v =57
-2a +1v= 9
I will multiply the second by -1 to cancel v variable (elimination method)
4a +1v =57
2a -1v = - 9
add both
6a. = 48
a= 8
4a= 32
32 + v = 57
v= 25
32+25 = 57
-16 +25=9
Answer:
The answer is 7/9 × 7/3 × 1/4 = 49/108
Step-by-step explanation:
7/9 × 7/9 × 3/4
= 7/9 × 7/3 × 1/4