0.67 kg of flour will be in each batch of scones
Answer:
see explanation
Step-by-step explanation:
Given the 2 equations
A = x² + xy + 2y - 1 → (1)
A + B = 2x² - xy - 4y - 1 → (2)
From (2)
B = 2x² - xy - 4y - 1 - A
= 2x² - xy - 4y - 1 - (x² + xy + 2y - 1) ← distribute parenthesis
= 2x² - xy - 4y - 1 - x² - xy - 2y + 1 ← collect like terms
= x² - 2xy - 6y
Hence
A - B = x² + xy + 2y - 1 - (x² - 2xy - 6y) ← distribute parenthesis
= x² + xy + 2y - 1 - x² + 2xy + 6y ← collect like terms
= 3xy + 8y - 1
(b)
Given A - B = x, then
x = 3xy + 8y - 1 ( add 1 to both sides )
x + 1 = 3xy + 8y ← factor out y from each term
x + 1 = y(3x + 8) ← divide both sides by (3x + 8)
y = 
2.50 / 8 = 0.3125.
8 * 3 = 24
<span>0.3125 * 4 = 1.25</span>
2.50 * 3 = 7.5 + 1.25
= 8.5
8.5 should be final answer.
Answer:
1. C
2. UNKNOWN
3. (x-4)(x-2)
4. 5, -7
5. vertex=(3,4)
minimum value=4
6. UNKNOWN
7. 5/3
8. D
9. C
Step-by-step explanation:
idk may be right
<span><span><span><span>14y+112</span>+2</span>−134y</span>−12</span><span>=
<span><span><span><span><span><span>14y+112</span>+2</span>+</span>−134y</span>+</span>−12
</span></span>Combine Like Terms:
<span>=<span><span><span><span>14y+112</span>+2</span>+<span>−134y</span></span>+−12</span></span><span>=
<span><span>(<span>14y+<span>−134y</span></span>)</span>+<span>(<span>112+2+−12</span>)</span></span></span><span>=
<span><span>−120y</span>+102</span></span><span>
−120y</span>+<span>102
</span>