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Vinil7 [7]
3 years ago
12

Solve the following system of equations by using the inverse of a matrix.

Mathematics
1 answer:
Zepler [3.9K]3 years ago
6 0

Answer:

(x, y, z) = (-8,4,-2)

Step-by-step explanation:

.......................................

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wariber [46]

Answer:

4.5

Step-by-step explanation:

4 0
2 years ago
Gas costs $2.05 per gallon. You go on a trip of 150 miles and your car gets 25 miles per gallon. How much will you spend on gas?
Inessa05 [86]

Answer: 12.30 dollars will be spent

Step-by-step explanation: If you go on a trip of 150 miles and each mile is 25 miles per gallon, I divided 150 miles from 25 = 6. Then each gallon cost $2.05 dollars, if we want to know how much will they spend on gas you have to multiply how much per mile and how much it cost. So 2.05 times 6 = 12.30.

4 0
2 years ago
L.c.m of 84 ,27,35,45 <br>please help​
den301095 [7]

Answer:

3780

Step-by-step explanation:

84 = 2^2 * 3 * 7

27 = 3^3

35 = 5 * 7

45 = 3^2 * 5

lcm = 2^2 * 3^3 * 5 * 7 = 3780

8 0
3 years ago
In ΔSTU, s = 4.6 inches, t = 1.8 inches and ∠U=118°. Find the length of u, to the nearest 10th of an inch.
IRINA_888 [86]

Answer:

5.7

Step-by-step explanation:

Delta math

8 0
2 years ago
Subtract: (3m2 + 2n) – (m2 + 2n)
maksim [4K]
The negative in front of the second bracket means that it's times by -1 so each of their signs switches: 
3m^2+2n-m^2-2n 
Add like terms 
2m^2 
the 2n cancels out 
8 0
3 years ago
Read 2 more answers
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