Algebra Solve the system of equations by graphing: y=-x-7 and y=x+1 . First graph each line, then place a dot indicating the solution to the system.

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Q: 11. Find n(A) for the set. A = {300, 301, 302, ..., 3000}

A: We have given set A A={300,301,302,……,3000} First term a1=300 Second term a2=301 Last term an=3000…

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A: Let's find inverse of matrix by using determinant-adjoint method.

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Q: 19. Find the cardinality of the set B = {x E R/T << T + 1}

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A: Answer is y=4/7x - 5/7 or  4x-7y-5=0 ,so option a is correct.

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Q: 1) Given the function F(x)=x² +4x-2), list the x and y intercepts, ifany s of the avach of f. (-))…

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A: We have to find the binary numbers.