17. Difference between -11 and 17, which is 28.
18. -189 + 56 + 64 = -69, meaning she still owes 69 dollars.
19. -528 * 4 = -2112
20. -6,660 divided by 37 = -180
Meaning it falls 180 meters down every minute.
10*0.2=2 When you are multiplying a decimal by 10 you just take off the decimal and you have the answer 2
Answer:
838.25
Step-by-step explanation:
Hope this helps :)
Answer:
can someone help me with this one
You need a 55% alcohol solution. On hand, you have a 330 mL of a 80% alcohol mixture. How much pure water will you need to add to obtain the desired solution?
Step-by-step explanation:
Answer:
y intercept = -0.93
x intercept = -0.42
Step-by-step explanation:
To get x intercept, substitute y for 0 and solve for x.
To get y intercept, substitute x for 0 and solve for y.
X intercept:
9.3x + 4.2y + 3.9 = 0
9.3x + 4.2(0) + 3.9 = 0
9.3x + 3.9 = 0
Subtract 3.9 to get it on the other side
9.3x + 3.9 - 3.9 = 0 - 3.9
9.3x = -3.9
Divide 9.3 to get x by itself
(9.3x) / (9.3) = (-3.9) / (3.9)
x = -0.419355
Since there are some extra numbers, I will round it to the nearest hundredth to make it easier
-0.419355 = -0.42
Y intercept:
9.3x + 4.2y + 3.9 = 0
9.3(0) + 4.2y + 3.9 = 0
4.2y + 3.9 = 0
Subtract 3.9 to get it on the other side
4.2y + 3.9 - 3.9 = 0 - 3.9
4.2y = -3.9
Divide 4.2 to get y by itself
(4.2x) / (4.2) = (-3.9) / (4.2)
x = -0.928571
Round answer to nearest hundredths
-0.928571 = -0.93
Notes:
If your answer is an extended decimal number, round it to the nearest hundredths to make it easier