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Vikki [24]
3 years ago
12

Select the correct answer.

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

Answer:

The swamp B

Step-by-step explanation:

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What is the answer ?
fgiga [73]

third picture shows cube root of 64=4

7 0
3 years ago
Which of the following statements are true?
lana [24]

Answer:

B, C, E, & F

Step-by-step explanation:

Option A is incorrect because the equation Ax = b is referred to as a matrix equation, not a vector equation.

Option B is correct. If Ax = b has a solution, vector b will a linear combination of columns of matrix A.

Option C is correct. In a matrix equation, product Ax when defined, is a sum of products.

Option D is incorrect. If an augmented matrix [Ab] had a pivot position in every row, there could be a pivot in the last column which would make it inconsistent.

Option E is correct. If the columns of an m×n matrix A spanR^m, then the equation Ax=b is consistent for each b in

Option F is correct. IfA is an m x n matrix whose columns do not span, then the equation Ax = b is inconsistent for some b in R^m

Options B, C, E, and F are correct.

7 0
3 years ago
If m∠ABC = 72°, what is m∠DAB?<br><br> A) 72°<br> B) 108°<br> C) 144°<br> D) 216°
Semmy [17]
∠ABC=∠CDA=72º
∠DAB=∠BCD=x

∠ABC+∠CDA+∠DAB+∠BCD=360º

Therefore:
72º+72º+x+x=360º
144º+2x=360º
2x=360º-144º
2x=216º
x=216º/2
x=108º

So, <span>∠DAB=∠BCD=x=108º

Answer: </span>∠DAB=108º  (B)
8 0
3 years ago
Read 2 more answers
Mr. Budas needs 2 feet of trim molding to put around one of the
const2013 [10]
I would say he can because 1+1 = 2
7 0
3 years ago
What is the coefficient of y3 in 5xy?<br> 3x + 5y3 – 3?
poizon [28]

Answer:

Step-by-step explanation:

it is 5 because 5 is next to y ^3

8 0
4 years ago
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