One number is 2 less than a second number.twice the second number is 37 more than 5 times the first. Find more the two number
1 answer:
Answer:
The numbers are -11 and -9.
Step-by-step explanation:
The two numbers are x and y.
x = y - 2
2y = 5x + 37
2y = 5(y - 2) + 37
2y = 5y - 10 + 37
3y = - 27
y = -9
x = - 11
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<span>When 10 grams of copper and 10 grams of iodine are mixed, what is the
theoretical yield of copper I iodide?</span>
2Cu + I2 → 2CuI
<span>30 g15 g7.5 g20 g</span>
Answer:
16
Step-by-step explanation:
The common ratio is 36/54 = 2/3.
So the next term is 2/3 (24) = 16.
You FOIL
9x^2-15x+21x-35
Combine like terms
9x^2 + 6x - 35
