Answer:
-36
Step-by-step explanation:
1. Plug -3 into the equation given: -3(15-(-3)+2(-3)^2
2. Use Pemdas and first distribute the negative to negative three then distribute -3 to the rest of the parenthesis (final answer): -45-9 +2(-3)^2
3. Then put -3 to the power of 2 (which is 9) then multiply it by 2 (final answer): -45-9+18
4. Combine all like terms and you get the answer -36!
Answer:
15
Step-by-step explanation:
we know that the boys in total cost 75 dollars and the girls cost 90.
75 and 90 share but one common factor and that is 15.
Therefore, we can conclude that the tickets cost $15.
1) tan 41°= 30cm divide by y cm
y= 30 divide by tan-1 41°
Answer:
-54
Step-by-step explanation:
2/3x=-36
3*2/3=3(-26)
2x=-108
2x/2= -108/2
x=-54
First you can convert 45 miles per hour to feet per hour:
45 × 5,280 = 237,600 feet per hour
Now you must remember that there are 60 minutes in an hour, and 60 seconds in a minute. So you can divide 237,600 feet per hour by 60 to get feet per minute:
237,600 ÷ 60 = 3,960 feet per minute
Now you just have to divide 3,960 by 60 again to get feet per second:
3,960 ÷ 60 = 66 feet per second
Now you know how fast the car can travel (in feet) in a second. So to work out how many feet it travels in 3 seconds, you just have to multiply 66 by 3:
66 × 3 = 198 feet
Therefore your final answer is <em>198 feet</em> :)
