7x+y=13 y=2x-0.5 elim

Question

10-10-2017
Mathematics

contestada

7x+y=13 y=2x-0.5 elim

Respuesta :

Otras preguntas

The four essential properties that define __________ are that it is symbolic, it has structure, it has meaning, and it is generative.

At the beginning of the school year, representatives of credit card companies and banks flock to college campuses. students are often offered free gifts, studen

To find the area under the standard normal distribution curve between two z values, one first finds the difference between the two z values, then locates the va

Which correctly ranks, from fastest to slowest, the time it will take one wavelength to pass a certain point?

In a circle with a 8 in radius, how long, in inches, is an arc associated with 2.6 radians.

Two zeros of the polynomial p(x)=x^4−4x^3−24x^2+20x+7 are 1 and 7. The other two zeros are real, but irrational. The smaller is _____ , and the larger is _____

Ravi deposits $600 into an account that pays simple interest at a rate of 4% per year. How much interest will he be paid in the first 6 years?

The __________ is the supreme law of the land. united states constitution declaration of independence united states code model law uniform commer

Weather is a term that refers to the conditions in the atmosphere on a ________ basis, whereas climate is a description of ___________weather conditions.

Find the equation of the line that has a slope of 0.5 and y intercept of 6.

koziadam koziadam · Answer 1 · 2017-10-10T02:27:07+02:00

I'm assuming you want to solve using elimination so...

7x + y = 13 ---> 7x + y = 13
y = 2x - 0.5 ---> + 2x - y = 0.5
9x = 13.5
/9 /9
x = 1.5

y = 2x - 0.5
y = 2(1.5) - 0.5
y = 3 - 0.5
y = 2.5

Therefore the solution to the linear system is (1.5, 2.5) or (3/2, 5/2)