Answer: 4-x^2
explanation:
Divide the equation by 4. 16 divided by 4 is 4. and -4x^2 divided by 4 is -x^2.
Answer:
<span>−84</span>
Explanation:
Let x be the unknown number.
From the queston we can form the equation
<span><span>x<span>(−7)</span></span>−2=10</span>
Move <span>−2</span> to the right hand side
<span><span><span>x<span>(−7)</span></span>=10+2</span><span><span>x<span>(−7)</span></span>=12</span></span>
Multiply both sides by <span>−7</span> to get the unkonwn no.
<span><span><span>−7</span>⋅<span>x<span>(−7)</span></span>=12⋅<span>(−7)</span></span><span>
x=−84</span></span>
Hope this helps
Answer:
Please mark my other question brainliest and I'll answer this.
Step-by-step explanation:
Answer:
The height is
Step-by-step explanation:
we know that
The area of a trapezoid is equal to
we have
substitute in the formula and solve for h