9π/10 = <span>2.82743338823
162 degrees?
</span>
Answer:
<u>Factor</u><u> </u><u>if</u><u> </u><u>necessary</u><u>:</u>
<u>x²-y²</u><u>=</u><u>(</u><u>x</u><u>+</u><u>y</u><u>)</u><u>(</u><u>x-y</u><u>)</u><u> </u><u>use</u><u> </u><u>this</u><u> </u><u>formula</u>
<u>T</u><u>a</u><u>k</u><u>e</u><u> </u><u>l</u><u>c</u><u>m</u><u> </u><u>a</u><u>n</u><u>d</u><u> </u><u>s</u><u>u</u><u>b</u><u>t</u><u>r</u><u>a</u><u>c</u><u>t</u><u>:</u>
<u>=</u><u>0</u>
The formula is right there in the question. Just write '16' in place of 'b' and write '5' in place of 'h', then do the multiplication and you have the area. / / / If you don't get 40 square mm then you have a mistake somewhere.
Answer for question 2:
x= -5
Step-by-step explanation:
0= 6x +30
-6x= 30
x= 30/-6
x= -5