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mart [117]
3 years ago
12

WILL MARK BRAINLIEST IF ANSWER IS CORRECT

Mathematics
1 answer:
crimeas [40]3 years ago
6 0
The last set (choice D) is a subset of given set B.

The other 3 choices are wrong.
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Find a basis for the orthogonal complement of the subspace of R4 spanned by the vectors. v1 = (1, 4, -5, 3), v2 = (4, 15, 0, 5),
Arlecino [84]

Answer:

W1 =  ( -75, 20, 1 , 0 )

W2 = ( 25, -7 , 0, 1 )

Step-by-step explanation:

attached  below is the remaining part of the solution

for a homogenous system of equation ; Ax = 0

x1 + 4x2 -5x3 + 3x4 = 0

-x2 + 20x3 -7x4 = 0         note: x3 and x4 are free variables

we can take x3 = 0 and x4 = 1 , hence ; x2 = -7

∴ x1 - 28 + 3 = 0 = x1 = 25

W2 = ( x1 ,x2, x3, x4 ) = ( 25, -7 , 0, 1 )

now lets take x3 = 1  and x4 = 0   hence x2 = 20 , x1 = -75

∴ W1 =  ( x1 , x2 , x3, x4 ) = ( -75, 20, 1 , 0 )

7 0
3 years ago
John is 3 years younger than twice Monica's age. If m represents Monica's age, which equation can be used to find j, John's age?
AnnZ [28]

Answer:

J =2m -3

Step-by-step explanation:

2m is twice Monica's age

-3 represents 3 years younger

7 0
3 years ago
Express the following ratios as fractions in their lowest term
ANTONII [103]

Answer:

1/4 is A and 1/20 is B

Step-by-step explanation:

Not much of an explanation needed

7 0
3 years ago
Mark currently works part-time with a salary of $8,000 per year. mark plans to quit working and attend college for 4 years. if h
BARSIC [14]
For the answer to the question above asking <span>how long will it take a mark to recover his investment assuming he has a salary of $32,000 upon graduating?

The answer is </span>Mark will lose:
4 * $ 8,000 = $32,000 ( without salary ) + $64,000 ( college costs ) = 
= $96,000 in total
$96,000 : $32,000 = 3
Answer:
<span>It will take Mark 3 years to recover his investments. Poor Mark</span>
6 0
3 years ago
A cross between two heterozygous pea plants with yellow seeds
MAXImum [283]

Answer:

1719: 573 =   41.46: 23.93

5 0
3 years ago
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