Answer:
x+3
Step-by-step explanation:
21=7x3. Hence answer is 3
They use about 26.56 packages of paper in a week.
(a) |AB| = |A| |B| = -1 * 2 = -2.
<span>(b) |B^5| = |B|^5 = 2^5 = 32. </span>
<span>(c) Since A is 4 x 4, </span>
<span>|2A| = 2^4 * |A| = 16 * -1 = -16. </span>
<span>(d) Since determinants are invariant under transposition, </span>
<span>|A^t A| = |A^t| |A| = |A| |A| = (-1)(-1) = 1. </span>
<span>(e) |B^(-1) AB| = |B^(-1)| |A| |B| </span>
<span>.....................= (1/|B|) |A| |B| </span>
<span>.....................= |A| </span>
<span>.....................= -1. </span>
<span>I hope this helps!</span>
Answer:
Hi dear, let's solve it
Step-by-step explanation:
step A: x + (3x-1) + 5x = 180
➡️ x+3x-1+5x=180➡️9x-1=180
9x=180+1➡️9x=181➡️x=181÷9➡️x≈20.1
A angle: 20.1
B angle: 59.3
C angle: 100.5
Answer:
13.6125 kg
Step-by-step explanation:
luggage weight = 9/16 of weight limit
=9/16×24.2 kg
=13.6125 kg
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