Answer:
surface area≈126.65
Step-by-step explanation:
A=2AB+(a+b+c)h
AB=s(s﹣a)(s﹣b)(s﹣c)
s=a+b+c
2
Solving forA
A=ah+bh+ch+1
2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=5·7+5·7+5·7+1
2·﹣54+2·(5·5)2+2·(5·5)2﹣54+2·(5·5)2﹣54≈126.65064
<span><span>2<span>(<span>1+<span>5x</span></span>)</span></span>=<span>5<span>(<span><span>2x</span>−1</span>)</span></span></span>
Step 1: Simplify both sides of the equation.<span><span>2<span>(<span>1+<span>5x</span></span>)</span></span>=<span>5<span>(<span><span>2x</span>−1</span>)</span></span></span><span><span><span><span>(2)</span><span>(1)</span></span>+<span><span>(2)</span><span>(<span>5x</span>)</span></span></span>=<span><span><span>(5)</span><span>(<span>2x</span>)</span></span>+<span><span>(5)</span><span>(<span>−1</span>)</span></span></span></span>(Distribute)<span><span>2+<span>10x</span></span>=<span><span><span>10x</span>+</span>−5</span></span><span><span><span>10x</span>+2</span>=<span><span>10x</span>−5</span></span>
Step 2: Subtract 10x from both sides.<span><span><span><span>10x</span>+2</span>−<span>10x</span></span>=<span><span><span>10x</span>−5</span>−<span>10x</span></span></span><span>2=<span>−5</span></span>
Step 3: Subtract 2 from both sides.<span><span>2−2</span>=<span><span>−5</span>−2</span></span><span>0=<span>−7</span></span><span>
</span>
Answer:
Step-by-step explanation:
The second expression 5 (x minus 3) the third 4 x + 3 y minus 15 minus 3 y + x
and there is no more
You must convert the percentage to decimal notation and then multiply it by 72.
As the name implies, percentage is a something per one-hundred; so to convert any percentage to decimal notation we divide by one-hundred:
So the 310% of 72 is:
Hello,
Please, see the attached files.
Thanks.