18.
-2(-9)+3
18+3
21
Explanation: -2(-9) When multiplying numbers that have both a negative sign, the answer is positive. Multiply normally.
19.
-6(-4)0
24(0)
0
Explanation: -6(-4) As I explained before, the answer would be positive.
24(0) Every number multiplied by 0 is 0.
20.
56+(-7)
49
Explanation: 56+(-7) Any problem like this is just basically going to be 56-7.
21.
-36+(-4)
-40
Explanation: -36+(-4) You are simply adding normally then adding the sign. This will only work if the signs are the same. (Signs are positive and negative.)
Answer:
It will take half of a day
Step-by-step explanation:
Since 12.5 is roughly half of the day, no matter what temperature is, it will take you this amount of time. You also need to include the time that you will use to take breaks and eat meals.
Tbh idk all I got was 51.496 I’m dumb i just want points ^_^
Answer:
Yes, the point makes the inequality true
Step-by-step explanation:
y < 10x+8
Substitute x =9 and y=8 into the inequality
8 < 10*9+8
8<90+8
8<98
This is true so the point makes the inequality true
