3 years ago

(+1)+(+4) =

Mathematics

2 answers:

marishachu [46]3 years ago

6 0

Answer:

Step-by-step explanation:

Sergeeva-Olga [200]3 years ago

3 0

Answer:

$+ 1 + 4 = 5 \\ + 7 + 1 = 8 \\ + 2 + 1 = 3 \\ + 7 + 8 = 15 \\ + 2 + 6 = 8 \\ + 9 + 7 = 16 \\ + 5 + 1 = 6 \\ + 3 + 3 = 6 \\ + 4 + 6 = 10 \\ + 2 + 1 = 3 \\ + 2 + 1 = 3 \\ + 2 + 7 = 9 \\ + 8 + 6 = 14 \\ + 2 + 4 = 6 \\ + 6 + 3 = 9 \\ + 4 + 5 = 9$

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A portable electronic typewriter cost £180 in 1988. Its price rose by 5% in 1989. What was the new price?

elena-s [515]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5\% of 180}}{\left( \cfrac{5}{100} \right)180}\implies 9~\hfill \stackrel{\textit{new price}}{180+9\implies 189}$