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3 years ago

Match each system of equations to the inverse of its coefficient matrix, A^-1and the matrix of its solution, X.

Mathematics

1 answer:

Xelga [282]3 years ago

7 0

Answer: Hello the system of equations and other data required are missing attached below are the missing data

answer :

attached below

Step-by-step explanation:

1st system of equations ( top left ) = Image number 8

system of equation ( Image 10 ) = Image 4

system of equation ( Image 9 ) = Image 6

system of equations ( Image 7 ) = Image 2

attached below is a pictorial representation of the solution

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Each pants leg on page 8 has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. How m

lord [1]

Answer:

43 stitches.

Step-by-step explanation:

We have been given that each pant's leg has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. We are asked to find the number of stitches required to make up the circumference.

Let us find stitches needed to make 1 inch by dividing 15 by 3.

$\text{Stitches needed to make 1 inch}=\frac{15}{3}$

$\text{Stitches needed to make 1 inch}=5$

Since 5 stitches make 1 inch, so to find stitches needed to make 8.5 inches, we will multiply 8.5 by 5 as:

$\text{Stitches needed to make 8.5 inches}=5\times 8.5$

$\text{Stitches needed to make 8.5 inches}=42.5$

Upon rounding to nearest stitch, we will get:

$\text{Stitches needed to make 8.5 inches}\approx 43$

Therefore, 43 stitches will make up the circumference.

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3 years ago

A passenger train has tickets available for 12 window seats and 8 aisle seats. The nest person to buy a ticket will be randomly

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The probability of the person be set to sit in an aisle seat is 8/12.

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Write an equation for a circle with center at (–7, 10) and diameter = 6.

postnew [5]

Equation of a circle with center at (h,k) and radius of r is
(x-h)²+(y-k)²=r²

so
center (-7,10) and diameter 6
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so
equation is (x-(-7))²+(y-10)²=3²
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4 years ago

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