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alex41 [277]
3 years ago
7

Xavier performs the elementary row operation represented by Ri - R, on matrix A.​

Mathematics
1 answer:
yaroslaw [1]3 years ago
5 0

Answer:

4   3   0

7  9/2 -6

Step-by-step explanation:

Just took the test

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Please help me!!!!!!!!!!!!!!!
Ainat [17]

r = 7.53 so d = 2r = 2(7.53) = 15.06 cm

Area of square = d^2 / 2 = (15.06)^2 / 2 = 113.41 cm^2

Area of circle = 3.14 (7.53)^2 = 178.04 cm^2

Area of yellow region = Area of circle - Area of square

Area of yellow region = 178.04 cm^2 - 113.41 cm^2

Area of yellow region =64.63 cm^2 = 64.6 cm^2 (nearest tenth)

Answer

64.6 cm^2

7 0
2 years ago
(-4x-2)+1/2(12x-22) simplify
Ierofanga [76]

Answer:

2x - 13

Step-by-step explanation:

Step  1  :

           1

Simplify   —

           2

Equation at the end of step  1  :

               1

 (-4x - 2) +  (— • (12x - 22))

               2

Step  2  : Pulling out like terms :

3.1     Pull out like factors :

  12x - 22  =   2 • (6x - 11)  

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  12x - 22  =   2 • (6x - 11)  

Equation at the end of step  3  :

 (-4x - 2) +  (6x - 11)

6 0
3 years ago
What decimal fraction is between 1.2 and 1.5
Readme [11.4K]
1.2=1\frac{2}{10}=1\frac{2:2}{10:2}=1\frac{1}{5}\\\\1.5=1\frac{5}{10}=1\frac{5:5}{10:5}=1\frac{1}{2}\\\\1\frac{1}{5} < \boxed{1\frac{1}{4} < 1\frac{1}{3}}
7 0
2 years ago
Read 2 more answers
If there are 1000 grams in a kilogram in 454 grams in a pound how many pounds are there in a kilogram?
MaRussiya [10]

Answer:

2.2

Step-by-step explanation:

A kilogram is 2.2lbs so if you weigh yourself and it says you weigh 60k then you multiply 60 times 2.2 you get 132lbs.

6 0
3 years ago
Describe a model that represents 3/3 x 4/4??
Oduvanchick [21]
They are both fractions, but 3/3 is 1 whole and 4/4 is 1 whole also.
so 1 whole times 1 whole equals 1
number form of my explanation:
3/3=1
4/4=1
1x1=1
Describe complete!
4 0
3 years ago
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