Mathematics, 23.08.2019 04:30, neftalirojas14

Rosana used linear combination to solve the system of equations shown. she did so by multiplying the second equation by a certain number to eliminate the y-terms. what number did rosana multiply the second equation by?
x - y= 15
0.5x + 0.2y = 25

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:50, ehensl06

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

Answers: 3

continue

Mathematics, 21.06.2019 21:00, rpmgamer

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Answers: 1

continue

Mathematics, 21.06.2019 21:00, annikafischer

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Answers: 3

continue

Mathematics, 21.06.2019 21:00, mayavue99251

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Answers: 1

continue

Do you know the correct answer?

Rosana used linear combination to solve the system of equations shown. she did so by multiplying the...