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Paladinen [302]
3 years ago
11

I need help with this question.

Mathematics
1 answer:
Kitty [74]3 years ago
4 0

i'm not sure how to solve the first one but the second is 150

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Can someone plz help me doing this :D
Mars2501 [29]
Ok so the first thing you would do is input the number where The variables are in the equation so 8^2-5(4)/4
6 0
3 years ago
Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 When you eliminate y, what is the resulting equation?
AveGali [126]
4x=8
This is because when you add the two expression together 2x+2x=4x the y values cancel and -4+-4=-8
4x-8=0 is equivalent to 4x=8
6 0
3 years ago
Read 2 more answers
Let V be a vector space of dimension 4. Determine if each statement is true or false. (a) Any set of 5 vectors in V must be line
son4ous [18]

Answer:

a) True

b) False

c) False

d) False

e) True

Step-by-step explanation:

a) Each basis of V has four vectors. Then any set of 5 vectors must be linear dependent (LD).

b) Suppose that \{v_1,v_2,v_3,v_4\} is a basis of V. Considere the set A=\{v_1,\lambda_1v_1,\lambda_2v_1,v_2,v_3\} where \lambda_1, \lambda_2 are scalars. The set has 5 vectors but V\neq span(A) because v_4 is not belong to A and v_4  is linear independent of v_1

c)  Suppose that \{v_1,v_2,v_3,v_4\} is a basis of V. Considere the set A=\{v_1,\lambda_1v_1,\lambda_2v_1,\lambda_3v_1\} where \lambda_1, \lambda_2,\lambda_3 are scalars. A has four nonzero vectors but isn't a basis because is a LD set.

d)  Suppose that \{v_1,v_2,v_3,v_4\} is a basis of V. Considere the set A=\{v_1,\lambda_1v_1,\lambda_2v_1\} where \lambda_1, \lambda_2 are scalars. A has 3 nonzero vectors but isn't a basis because is a LD set.

e)  Since any basis of V must have 4 elements, then a set of three vectors cannot generate V.

4 0
3 years ago
Round 21.24833 to three decimal places
Vsevolod [243]

Answer:

21.248

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
by what precent will a fraction increase if its numerator is decreased by 30% and its denomenator is decreased by 50%
natka813 [3]

Answer:

this might be we wrong but 20

5 0
3 years ago
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