Answer:
-5
Step-by-step explanation:
3x²y + xy²
Let x = -1/2 and y = 4
3(-1/2)^2 (4) + (-1/2) (4)^2
Exponents first
3(1/4) (4) + (-1/2) 16
Multiply
3 - 8
Subtract
-5
Answer:
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Step-by-step explanation:
Answer:
1 litre of milk for 75p
Step-by-step explanation:
1 pint ≈ 473 ml
2 pints = 2×473ml = 946 ml
1 l = 1000 ml
Uhh we need a picture or some more info to help you with that one cheif
Answer:
The final result is 1
Step-by-step explanation:
Remember the following:
And that x^0= 1
We have: 8^7 / 8^7= 8 ^ (7-7)=8^0=1