Answer:
-24.
Step-by-step explanation:
0.8*-23+0.8*-7
Use order of operation. Here we have 2 multiplications and one addition The multiplications are done first:
0.8*-23 + 0.8*-7
= -18.4 + -5.6
= -18.4 - 5.6
= -24.
Step-by-step explanation:
-3x² + 7x + 2 + x³ - x² -9
= x³ -3x² -x² + 7x +2 -9
= x³ -4x² + 7x -7
Answer: Distance = 200 parsec
The Limit = 80 parsec to 320 parsec
Step-by-step explanation: Please find the attached file for the solution
Answer:
4x-12
Step-by-step explanation:
2x-5[2x-7(5)}=2x+2x-7-5
4x-12
negative integers are added to each other
Answer: 25 + 3n
Step-by-step explanation:
Hi, the answer is lacking the last part:
<em>Write an expression for the amount of money he makes this week.
</em>
So, to answer this we have to write an expression:
The fixed amount that he earns per week (25) plus the product of the amount he earns per subscription (3) and the number of subscriptions sold (n) , must be equal to his weekly earnings.
Mathematically speaking:
25 + 3n
Feel free to ask for more if needed or if you did not understand something.