Ashley has dollar-sign 120 Number , 000 to invest and decides to put some in a CD that earns 7 % interest per year and the rest in a low-risk stock that earns 2 %. How much did she invest in each...

Ashley has dollar-sign 120 Number , 000 to invest and decides to put some in a CD that earns 7 % interest per year and the rest in a low-risk stock that earns 2 %. How much did she invest in each...

Express the arithmetic sum using summation notation. 13 + 22 + 31 + + 184 k = 1

Find the common difference for the arithmetic sequence provided. {4, 10, 16, 22, 28, ...}

Use the formula for the sum of the first n terms of the arithmetic sequence to find the sum. 16 + 25 + 34 + + 97 S10 =

Find the multiplicative inverse of the matrix, if it exists. 1 0 6 −2 1 8 5 0 2

Find the specified term for the arithmetic sequence given the first term and common difference. First term is 6, common difference is 5, find the 4th term.

Write the first four terms of the sequence. a^n = −(−5)^n−1 (^meaning exponent) a^1= a^2= a^3= a^4=

Find the multiplicative inverse of the matrix, if it exists. A = −5 5 6 4

Solve the system using the inverse of a 2 × 2 matrix. 3x − 2y = 3 −x + 5y = −1

Solve the system of linear equations using matrices with Gaussian elimination with back-substitution

Solve the system of linear equations using matrices with Gaussian elimination with back-substitution. (Enter your answers as a comma-separated list. If there are infinitely many solutions, express...

Use matrices with Gaussian elimination to solve the system of equations. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, enter INFINITELY MANY.) x...

Consider the following system of equations. 3x + 2z = 4 x − y − z = −7 2x + 2y − z = −9 Solve the system of equations by writing the matrix in reduced row-echelon...

(IF there is A Solution) −x2 + y = 8 −x + y = 8

The functions s and t are defined as follow. S(x)=-x-1 t(x)=2x2+2 find the value of t(s(3) thank you so much in advance...

Thank you for the help :- )

Word problem

Final Solution should be written in standard form.

Write the equation for the ellipse in standard form.

when a number is decreased by 10% of itself the result is 45. what is the number?

The car heads east at an average speed of 40 miles per hour, while the truck heads south at an average speed of 70 miles per hour. Find an expression for their distance apart d (in miles) at the end...

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