Answer:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other.
Step-by-step explanation:
Answer: I think D
Step-by-step explanation:
There is not a equal probability that he will win or loose because there is less of yellow than the other colors.
Step 1: Simplify both sides of the equation.<span><span><span>3x</span>+<span>2<span>(<span>x−9</span>)</span></span></span>=<span><span><span>8x</span>+x</span>−14</span></span><span><span><span><span>3x</span>+<span><span>(2)</span><span>(x)</span></span></span>+<span><span>(2)</span><span>(<span>−9</span>)</span></span></span>=<span><span><span><span>8x</span>+x</span>+</span>−14</span></span>(Distribute)<span><span><span><span><span>3x</span>+<span>2x</span></span>+</span>−18</span>=<span><span><span><span>8x</span>+x</span>+</span>−14</span></span><span><span><span>(<span><span>3x</span>+<span>2x</span></span>)</span>+<span>(<span>−18</span>)</span></span>=<span><span>(<span><span>8x</span>+x</span>)</span>+<span>(<span>−14</span>)</span></span></span>(Combine Like Terms)<span><span><span>5x</span>+<span>−18</span></span>=<span><span>9x</span>+<span>−14</span></span></span><span><span><span>5x</span>−18</span>=<span><span>9x</span>−14</span></span>Step 2: Subtract 9x from both sides.<span><span><span><span>5x</span>−18</span>−<span>9x</span></span>=<span><span><span>9x</span>−14</span>−<span>9x</span></span></span><span><span><span>−<span>4x</span></span>−18</span>=<span>−14</span></span>Step 3: Add 18 to both sides.<span><span><span><span>−<span>4x</span></span>−18</span>+18</span>=<span><span>−14</span>+18</span></span><span><span>−<span>4x</span></span>=4</span>Step 4: Divide both sides by -4.<span><span><span>−<span>4x</span></span><span>−4</span></span>=<span>4<span>−4</span></span></span><span>x=<span>−1</span></span>
STEP 1:
Find percentage. 57 out of 100 is the percentage to multiply by.
57/100= 0.57 (= 57%)
STEP 2:
Multiply percentage by the total gallons ordered (24).
=24 gallons * 0.57
=13.68 gallons
ALTERNATIVE METHOD (use which works best for you)
Set up a proportion. 57 to 100 is x out of 24 gallons.
x= number skim gallons to order
57/100= x/24
cross multiply
(57*24)= (100*x)
1368= 100x
divide both sides by 100
13.68 gallons= x
ANSWER: Since you cannot order a partial gallon of milk, round up to 14 whole gallons
Hope this helps! :)
Answer:
m= 3
Step-by-step explanation: