Answer:
(13/8, -5/4)
Step-by-step explanation:
substitute the value of y
{y=6x-11
2x-3y=7
solve the equation
2x-3(6x-11)=7
Substitute the value of x
x=13/8
Solve the equation
y=6x13/8-11
A possible solution is
y=-5/4
Check the solution
(x,y)=(13/8, -5/4)
Simplify
{-5/4=6x13/8-11
2x13/8-3x(-5/4)=7
The ordered pair is a solution
{-5/4=-5/4
7=7
<em>Solution </em>
(13/8, -5/4)
Answer:
3999
Step-by-step explanation:
<span><span>2<span>x2</span>−9x−5=0</span><span>2<span>x2</span>-9x-5=0</span></span>Factor by grouping.
<span><span><span>(x−5)</span><span>(2x+1)</span>=0</span><span><span>(x-5)</span><span>(2x+1)</span>=0</span></span>Set <span><span>x−5</span><span>x-5</span></span> equal to <span>00</span> and solve for <span>xx</span>.
<span><span>x=5</span><span>x=5</span></span>Set <span><span>2x+1</span><span>2x+1</span></span> equal to <span>00</span> and solve for <span>xx</span>.
<span><span>x=−<span>12</span></span><span>x=-<span>12</span></span></span>The solution is the result of <span><span>x−5=0</span><span>x-5=0</span></span> and <span><span>2x+1=0</span><span>2x+1=0</span></span>.<span>x=5,−<span><span>12</span></span></span>
Answer:
Step-by-step explanation:
1/3+3/4
4/12+9/12
13/12=
If interest is calculated yearly, it will take Time approximately 6 years