The answer should be D.
The maximum amount she can add is 7 books and no more, so the first two are wrong. It’s also allowed to be exactly seven, which is why it would be a closed circle.
Hope this helps!
Let's solve your equation step-by-step.<span><span>100−<span>6x</span></span>=<span>160−<span>10x</span></span></span>Step 1: Simplify both sides of the equation.<span><span>100−<span>6x</span></span>=<span>160−<span>10x</span></span></span><span>Simplify: (Show steps)</span><span><span><span>−<span>6x</span></span>+100</span>=<span><span>−<span>10x</span></span>+160</span></span>Step 2: Add 10x to both sides.<span><span><span><span>−<span>6x</span></span>+100</span>+<span>10x</span></span>=<span><span><span>−<span>10x</span></span>+160</span>+<span>10x</span></span></span><span><span><span>4x</span>+100</span>=160</span>Step 3: Subtract 100 from both sides.<span><span><span><span>4x</span>+100</span>−100</span>=<span>160−100</span></span><span><span>4x</span>=60</span>Step 4: Divide both sides by 4.<span><span><span>4x</span>4</span>=<span>604</span></span><span>x=15</span>Answer:<span>x=<span>15
</span></span>
Answer:
b = 2/5 = 0.4
Step-by-step explanation:
We know that:
We want to find the value of b, then we need to isolate b in one side of the equation.
First, let's subtract 15 in both sides of the equation so we get:
Now we can multiply both sides by 3*b, so we get:
Now we can divide both sides by -15:
Then:
b = 6/15 = 2/5
b = 2/5 = 0.4
Your answer would be x=8
4=√2x ( switch the sides )
√2x=4 ( square both sides )
2x=16 ( divide both sides by 2 )
x=8
Answer:
b d e a im not fore sure tho
Step-by-step explanation: