Answer:
I dont know about you, but my teacher taught me to use MAN
M= 10 (the c value)
A= 7 (the b value)
N= +5, +2 (two numbers that multiply and add to give you 10 and 7. For example, 5 times 2= 10 and 5 plus 2 = 7)
ANSWER: (x+5)(x+2)
if you have any questions let me know.
If it costs 650 per kg then 500g will cost half of that as 500g is half of a kg so the answer is 650/2 = 325
Answer:
The error she made was that she was adding x and 2.75. She should subtract 2.75 from x.
Another mistake that she made was that she sold each for $7 assuming that she would make a profit of 78, but she should see each necklace for $12.5 so that she could make a profit of $78.
Step-by-step explanation:
The error she made was that she was adding x and 2.75.
She should write the equation as 8 (x - 2.75) = 78; as she spends $2.75 to make a necklace.
By using the correct equation: 8 (x - 2.75) = 78
=> 8x - 22 = 78
=> 8x = 78 + 22
=> 8x = 100
=> x = 100/8
=> x = 12.5
Another mistake that she made was that she sold each for $7 assuming that she would make a profit of 78, but she should see each necklace for $12.5 so that she could make a profit of $78.
Hope this helps you.
You have to isolate the (a) so you multiply the 2/3 by 3/2 and you have to do that to the right side. So -24 times 3/2 equals to -36. Therefore, a=-36.
