Solve the following system using elimination:
{4 x - 3 y = 8 | (equation 1){-10 y = -11 | (equation 2)
Multiply equation 2 by -1:
{4 x - 3 y = 8 | (equation 1)
{0 x+10 y = 11 | (equation 2)
Divide equation 2 by 10:
{4 x - 3 y = 8 | (equation 1)
{0 x+y = 11/10 | (equation 2)
Add 3 × (equation 2) to equation 1:
{4 x+0 y = 113/10 | (equation 1)
{0 x+y = 11/10 | (equation 2)
Divide equation 1 by 4:
{x+0 y = 113/40 | (equation 1)
{0 x+y = 11/10 | (equation 2)
Collect results:
Answer: {x = 113/40
{y = 11/10
Answer:
t=-61.1
Step-by-step explanation:
You first want to isolate t. You have to multiply both sides by 6.5 to make t by itself. 6.5x9.4=61.1. This will make the equation -t=61.1. You wan to make t positive so we have to divide each side by -1. t=-61.1. This means that t=-61.1
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Your answer would be 17.5 I just took the test I got it right
Answer: it’s congruent
Step-by-step explanation:it’s congruent because DCA AND BCA are both triangles that could make a square like a puzzle because they are the same size.
