Answer:
I think is scalene and acute
9(7 + 8) = (9 x 7) + (9 x 8) = 63 + 72 = 135
Answer:
7c - 2
Step-by-step explanation:
If you read through what it says carefully, it says that 7 times a number (c) is subtracted by 2.
Answer:
30 miles in the morning and 60 in the afternoon.
Step-by-step explanation:
15+15= 30 or 2 hours
15+15+15+15= 4 hours (60miles)
Answer:
length= 3.7 ft.
Step-by-step explanation:
T= (square root of length) * k
1.8 seconds = (square root of 3) * k
k= 1.8 seconds / (square root of 3)
a.) T= (square root of 11) k
substituting k:
T=(square root of 11) * 1.8 seconds / (square of 3)
T= 3.4 seconds
b.) 2 seconds = (square root of length) k
substituting k:
2 seconds =(square root of length) 1.8 seconds / (square root of 3)
Divide the equation by 1.8 seconds / (square root of 3):
2 seconds / [1.8 seconds / (square root of 3)] = (square root of length)
10(square root of 3) / 9 = (square root of length)
square both sides:
100/7 ft= length
length= 3.7 ft.
Hope this helps.
