Answer:
Step-by-step explanation:
Answer:
y= -1.4x-6.6
Step-by-step explanation:
(1,-8)
7x+5y=-7
Make the equation into standard form
Subtract 7x from both sides
5y=-7x-7
Divide all by 5
y=-1.4x-1.4
Since they are parrallel, we know the slope is -1.4x
y=-1.4x+b
(1,-8) is one of the points it goes through
Replace the x and y in the equation for the x and y in the incomplete equation
-8=-1.4+b
Add 1.4 to both sides
-6.6=b
Thus the equation is
y=-1.4x-6.6
Find the 100% of that. Since plain hot dog is just 26% of total. So $45.50 multiplied by 100/26. Which is $175
Answer:568.58
Step-by-step explanation:
Tan(35)=h/1200
1200tan(35)=h
568.57766=h
568.58
<span><span>y=<span><span>4x</span>−1</span></span>;<span>y=<span><span>2x</span>−5
</span></span></span><span>Step: Solve <span>y=<span><span>4x</span>−1 </span></span>for y:
</span><span>Step: Substitute <span><span>4x</span>−1 </span>for y in <span><span>y=<span><span>2x</span>−5</span></span>:
</span></span><span>y=<span><span>2x</span>−5
</span></span><span><span><span>4x</span>−1</span>=<span><span>2x</span>−5
</span></span><span><span><span><span><span>4x</span>−1</span>+<span>−<span>2x</span></span></span>=<span><span><span>2x</span>−5</span>+<span>−<span>2x</span></span></span></span>(Add -2x to both sides)
</span><span><span><span>2x</span>−1</span>=<span>−5
</span></span><span><span><span><span><span>2x</span>−1</span>+1</span>=<span><span>−5</span>+1</span></span>(Add 1 to both sides)
</span><span><span>2x</span>=<span>−4
</span></span><span><span><span><span>2x/</span>2</span>=<span><span>−4/</span>2</span></span>(Divide both sides by 2)
</span><span>x=<span>−2
</span></span><span>Step: Substitute<span>−2 </span>for x in <span><span>y=<span><span>4x</span>−1</span></span>:
</span></span><span>y=<span><span>4x</span>−1
</span></span><span>y=<span><span><span>(4)</span><span>(<span>−2</span>)</span></span>−1
</span></span><span><span>y=<span>−9</span></span>(Simplify both sides of the equation)
</span><u>Answer:</u><span><span>y=<span>−<span><span>9<span> and </span></span>x</span></span></span>=<span>−<span>2</span></span></span>
