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IrinaK [193]
3 years ago
11

1/3(12x-24)=16 answer

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

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Help! I'm a little stumped when it comes to variables in matrices. An explanation would be super rad!
iris [78.8K]

Answer:

30

Step-by-step explanation:

To find the determinant of a 3x3 matrix, you can use this method. (See picture.)

Start with the first number in the top row, and block off the row and column.  A 2x2 matrix will be left.  Find the determinant of this 2x2 matrix, and multiply it by the number in the top row.

Repeat for the other two numbers in the top row.  Add the first result, subtract the second, and add the third.

det A = -2 [(3)(-5) − (a)(0)] − 2 [(0)(-5) − (a)(0)] + b [(0)(0) − (3)(0)]

det A = -2 (3)(-5) − 0 + 0

det A = 30

8 0
2 years ago
Classify the triangle as acute, right, or obtuse based on the side lengths of 8, 11, and 14.
ratelena [41]

Answer:

Obtuse

Step-by-step explanation:

8^2+11^2=14^2\\64+121=196\\185=196

Since the hypotenuse is bigger, the triangle is obtuse

8 0
2 years ago
Read 2 more answers
You’re given side AB with a length of 6 centimeters and side BC with a length of 5 centimeters. The measure of angle A is 30°. H
ch4aika [34]

Answer:

C.2

Step-by-step explanation:

7 0
2 years ago
Allana 3/5 used yard of fabric to make a scarf. Can she make 2 of these scarves with 1 7/10 yards of fabric, and why?
Andreas93 [3]
One scarf takes 3/5 of a yard. Two of these takes 6/5 of a yard.  If we put the 1 7/10 into an improper fraction we would get 17/10. So in order to compare the two fractions, the 6/5 and the 17/10, they have to have the same denominator. 6/5 can be rewritten as 12/10.  12/10 is less that the 17/10 you have, so yes you can make two scarves with that amount of fabric.
5 0
3 years ago
What is this math question answer 48=a+20
jeyben [28]

Answer:

a=28

Step-by-step explanation:

a+20=48

a=48-20

a=28

6 0
3 years ago
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