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Alla [95]
3 years ago
15

3) Tell whether the matrices are inverses of

Mathematics
1 answer:
Anettt [7]3 years ago
8 0
These matrices ARE inverses of each other!
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What two numbers multiply to -32 and add to 4
svetlana [45]

Answer:

9 and also -4

Step-by-step explanation:

5 0
3 years ago
What is the equation of the line that passes through the point (-4,-8)(−4,−8) and has a slope of 4
elena-s [515]

Answer:

y=4x+8

Step-by-step explanation:

8 0
3 years ago
Make r the subject of the formula t= r
Evgen [1.6K]
I hope this helps you



t=r/r-3



t. (r-3)=r



t.r-3t=r


t.r-r=3t



r (t-1)=3t



r=3t/t-1
3 0
3 years ago
so, im t trying to find the original price and sale price of a book for example and the amount of discount is 2.80 dollars and t
aliya0001 [1]

Okay, so since the discount is 60% of the price and it comes out to $2.8, we are going to form the following expression, where x is the original price.

60% of x = 2.8

Simply means: 60/100 * x = 2.8

You solve for x, which comes out to $4, which is your original price.


5 0
3 years ago
What is the missing step in this proof?
garri49 [273]
I'm not really sure what I'm looking at... is it possible for you to take a better picture so I can look at the diagram if there is one + the rest of the steps?
7 0
3 years ago
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