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Ray Of Light [21]
3 years ago
6

Select all that apply.

Mathematics
1 answer:
omeli [17]3 years ago
8 0
10:4 15:6 20:6 if those aren’t on there I ain’t ur guy
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Please help, marking brainliest for the best (and correct) answer
soldier1979 [14.2K]

Answer:

i really dont understand is that the whole oimg??

Step-by-step explanation:

8 0
3 years ago
An upper triangular matric is square matrix with all zeros below its daignal. A lower triangular matrix is a square matrix with
AleksandrR [38]

Answer:

U₂₁ and U₂₂ fits in the line of upper triangular

Step-by-step explanation:

As explain in the question

An upper triangular matric is square matrix with all zeros below its daignal. A lower triangular matrix is a square matrix with all zeros above its diagonal.

(as shown in the attached image)

(a)for all 3×3 upper triangular matirices U, verify that U2 is also upper triangular

for a matrices U (having a 3*3 matrix), assuming for example, U is given below:

U = \left[\begin{array}{ccc}1&2&3\\0&5&6\\0&0&9\end{array}\right]

the element in the upper triangular are 1,2,3,5,6,9 (U₁₁, U₁₂, U₁₃; , U₂₂, U₂₃, U₂₂)

while lower triangular are 0,0,0, the element in the lower triangular are (U₂₁, U₃₁,U₃₂)

U₂₁ and U₂₂ fits in the line of upper triangular

8 0
3 years ago
PLEASE HELP
Anastasy [175]

Answer:

the answer is 67 coins are not Nickels

Step-by-step explanation:

29+24+16=67 so there is 27 Nickels in the jar

4 0
2 years ago
F(x) = x²+1<br> What is f(f(x))?
Arte-miy333 [17]

Answer:

f(f(x)) = x⁴ + 2x² + 2

Step-by-step explanation:

if f(x) = x² + 1, then f(f(x)) is equal to:

f(x)² + 1

= (x² + 1)² + 1

= x⁴ + 2x² + 1 + 1

= x⁴ + 2x² + 2

7 0
3 years ago
Solve the following quadratic equation by the square root property of equality. x^2 - 81 = 0
Misha Larkins [42]
X²-81=0,
x²=81,
x=√81,
x=9
6 0
3 years ago
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