hey I don't have idea how to calculate this problem. please give me an advice. kx-3y=4 4x-5y=7 x and y are variables,k is a constant . For what value of k will system of equations...

hey I don't have idea how to calculate this problem. please give me an advice. kx-3y=4 4x-5y=7 x and y are variables,k is a constant . For what value of k will system of equations...

A)570 B)513 C)214 D)155

If the polynomial P(x) has factors of 12, (x-5), and (x+4), which of the following must also be afactor of P(x)? Edit: I'm so sorry that...

A landscaper is designing a rectangular fountain with a 4-foot-wide path around it. The equation A = 4p + 64 will relate the area A, in square feet, of the path to the perimeter p, in feet, of...

A value added to a variation that is proportional, is known as a/an _______. A. extra B. addend C. constant D. subtend

A teacher’s salary is modeled by the equation an=48,000(1.0325)t−1 where t represents years of experience. How much should this teacher expect to pay in their 5th year of teaching? A. $52,833...

What is the sum of all values of m that satisfy 2m2 - 16m + 8 = 0?

In the equation y = kx, k represents the ____________________. A. constant of change B. variability quotient C. scalar D. constant of variation

If cos x = a, where π/2 < x < π and cos y = -a, then which of the following could be the value of y?

(-5, 0) (0,-5)

In the United States, 55 million computers, 32 million televisions, and 150 million cellphones were either disposed of or recycled in the past year. If 30% of computers, 20% of televisions, and 10%...

Given that x < 0, which of the following is equivalent to the epxression ((1/(x-1)+(1/(x-2))/(4x-6)? A. 1/(2x2-6x+4) B. 2/(x2-3x+2) C. (8x2-24x+18)/(x2-3x+2) D...

R = F /N + F A website uses the formula above to calculate a seller's rating, R, based on the number of favorable reviews, F, and unfavorable reviews, N...

If the graph of the equation y = ax2+bx+c passes through the points (0,2), (-6,-70, AND (8,-14), what is the value of a+b+c?

If m and n are integers such that m2+n2=40 and m< 0 < n, what is the value of (m+n)2?

For how many values of x between 0 and 2π does sin[3x] = 1/2?

The function g(x) = ax3+bx2+cx+d has zeroes x = -2, 3, 6. If g(0) < 0, which of the following must also be negative? A. g(-3) B. g(-1) C. g(4) D...

If x represents the radian measure of an angle, where 0 < x < π/2, and sin x = 5/13, then what is the value of tan(π/2 -x)? Note: I got so far...

The United States' deer population increases 30% every 20 years. If the deer population is x in the year 2000, wha factor of x will the population be in the year 2080?

y = x2-2x+1 y = -2x + 13/4 If the point (x,y) is a solution to the system of equations above in which x>0, what is the value of y?

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