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Alex
3 years ago
13

Determine whether the lines l1 and l2 given by the vector equations are parallel, perpendicular, or neither. L1: r(t) = (-4 + 3t

)i + (5 + t)j l2: r(s) = (5 + 2s)i + (1 - 6s)j
Mathematics
1 answer:
Vilka [71]3 years ago
4 0

Over which interval(s) is the function decreasing?

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PLEASE HELP ME! I NEED HELP ASAP! EXPLAIN THE ANSWER!! PLEASEE I WILL MARK BRAINLIEST! HELP ASAP!!
olga55 [171]
A. The formula to find the volume of a cylinder (that's what the first shape is):
pi r^2 h      So, when you plug in the numbers and calculate, you get: 24.5pi

The formula to find the volume of a rectangular prism is: length x width x height.
6 x 9 = 54   54 x 2 = 108   

V of the first pan = 24.5pi    V of the second pan = 108  The second pan has a larger volume.



3 0
3 years ago
Please help a and b, Solve each system of equations algebraically.
Shkiper50 [21]

Answer:

I hope this answer is Wright

4 0
3 years ago
Kenneth's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 63 caffeinated
UNO [17]

Answer:

90%

90% of the teas were caffeinated.

Step-by-step explanation:

Total teas: 63+7= 70

63/70 x 100/1= 90%

90% of the teas were caffeinated.

4 0
3 years ago
11.Combine like terms 12.The length of a rectangle is 4x + 7 and the width is 3x - 1. What is the perimeter of the rectangle? pl
Darya [45]

Answer:

Question 11 would be D) 5x - 4y and Question 12 would be A) 7x + 6

3 0
3 years ago
Find all zeros f(x) = 3x^2+8x+7
Artemon [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
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