<h2>
<em>Answer:</em></h2><h3>
<em>-</em><em>8</em><em>1</em><em>.</em><em>4</em><em>8</em></h3>
<em>Solution</em><em>,</em>
<em>1</em><em>6</em><em>.</em><em>8</em><em>7</em><em>+</em><em>(</em><em>-</em><em>9</em><em>8</em><em>.</em><em>3</em><em>5</em><em>)</em>
<em>=</em><em>1</em><em>6</em><em>.</em><em>8</em><em>7</em><em>-</em><em>9</em><em>8</em><em>.</em><em>3</em><em>5</em>
<em>=</em><em> </em><em>-</em><em>8</em><em>1</em><em>.</em><em>4</em><em>8</em>
<em>Hope </em><em>it</em><em> helps</em>
<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>
Ok so first we find the equation that equals one variable.
2y = -x + 9
3x - 6y = -15
We solve for y.
2y = -x + 9
y = -x/2 + 9/2
Then we plug in this y value into the other equation to keep only one variable so we can solve for it.
3x - 6y = -15
3(-x + 9/2) - 6y = -15
-3x + 27/2 - 6y = -15
-9y + 27/2 = -15
-9y = 3/2
-y = 3/18
y = -3/18
Then we plug in this numerical y-value into the first equation which we found out by solving an equation for y.
y = -x/2 + 9/2
-3/18 = -x/2 + 9/2
-84/18 = -x/2
-x = 9 1/3
x = -28/3
Your answer would be (-28/3, -3/18)
Hope this helps!
3(4 - x) <= 54
12 - 3x <= 54
-3x <= 42
x >= -14 answer
Its A
Answer:
x = 20
Step-by-step explanation:
Traingle ABC = Traingle DEC
4x-1×4×5 = x+2×4×5
80x-1 = 2×20x
80x-20x = 2+1
60x = 3
60÷3 = x
x = 20
Answer:
A town with 600 people need 10 firefighters
A town with 1500 people will need 1500 x 10/600 = 1500/60
= 25 firefighters
Hope this helps!