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aliya0001 [1]
3 years ago
9

Outline at least 4 methods of solving linear systems.

Mathematics
2 answers:
timurjin [86]3 years ago
6 0

Answer:

graphing

algebraic methods

using inverse matrices

transforming an augmented matrix to reduced row echelon form

Cramer’s rule

Step-by-step explanation:

edg 2020

MrRissso [65]3 years ago
4 0

Answer:

graphing, algebraic methods, using inverse matrices, transforming an augmented matrix to reduced row echelon form, Cramer's rule

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Ostrovityanka [42]
Given:
1/6 of a crate of potatoes every 
1/18 of an hour

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1/6 ÷ 1/18 ⇒ 1/6 * 18/1 = 18/6 = 3 per hour 

The unit rate is 3 per hour.
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3 years ago
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Could u help me please?
ruslelena [56]

Answer: the answer is b but make sure

Step-by-step explanation:

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3 years ago
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Write an exponential function y=ab^x whose graph passes through the points (2,18) and (4,162)
Alex Ar [27]

Answer:

see explanation

Step-by-step explanation:

Use the points to find a and b, that is

(2, 18)

18 = ab^{2} → (1)

(4, 162)

162 = ab^{4} → (2)

divide (2) by (1)

\frac{ab^4}{ab^2} = \frac{162}{18} = 9

b² = 9 ⇒ b = 3

substitute b = 3 into (1)

18 = 9a ⇒ a = 2

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7 0
3 years ago
Find the center of a circle whose end points of a diameter are A (-5,6) and B (3,4)
victus00 [196]

<u>Answer:</u>

(-1, 5)

<u>Step-by-step explanation:</u>

The center of a circle is the midpoint of the diameter.

So we have to calculate the midpoint of the diameter, using this formula:

midpoint = (  \frac{x_{2 }+x_{1}  }{2}  , \frac{y_{2} + y_{1} }{2} )

               =  (\frac{3 + (-5)}{2}  ,  \frac{4 + 6}{2}  )

               = (-1, 5)            

∴ The center of the circle lies at the point (-1, 5).

7 0
3 years ago
Which trigonometric ratio represents Cosine (cos)?
kotykmax [81]
If you want to remember the trig formulas, I suggest the “SOHCAHTOA” or the “Some old hippie caught another hippie tripping on acid method.” It combines all three principle formulas together. So, SOH means sine equals opposite over hypotenuse, and CAH means cosine equals adjacent over hypotenuse, and TOA means tangent equals opposite over adjacent.

Cosine equals adjacent/hypotenuse.
4 0
4 years ago
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