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3 years ago

I am having trouble with question 7 onwards to q10 anyone mind helping/teach me?

Mathematics

1 answer:

zaharov [31]3 years ago

8 0

~7)~
$(3×4×5)
=1.585 + 2 + 2.322
=5.907$
~8)
$(3÷2÷5)
=1.585 - 1 - 2.322
=-1.737$
9) $3log7(2) -2log7(3) + 4log7(3) -2log7(2)
=0.356+2(0.565)
=1.486$
9) $x(x+2)=8
x=2$
10) $x/(2x+3)=1/9
9x=2x+3
x=3/7$

Hope this helps

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