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3 years ago

Find the sum using estimation to the nearest dollar: $72.90+$15.45+$120.99

Mathematics

2 answers:

o-na [289]3 years ago

8 0

Answer: 209

Step-by-step explanation:

lord [1]3 years ago

7 0

Answer:

$209

Step-by-step explanation:

We use addition.

$72.90

$15.45

$120.99

__________

$209.34 (round to nearest dollar) = $209

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Given the function :

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$\begin{gathered} x=-2\rightarrow f(x)=\sqrt[]{-2+2}+1=\sqrt[]{0}+1=0+1=1 \\ \\ x=-1\rightarrow f(x)=\sqrt[]{-1+2}+1=\sqrt[]{1}+1=1+1=2 \\ \\ x=2\rightarrow f(x)=\sqrt[]{2+2}+1=\sqrt[]{4}+1=2+1=3 \\ \\ x=7\rightarrow f(x)=\sqrt[]{7+2}+1=\sqrt[]{9}+1=3+1=4 \end{gathered}$

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