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alexandr1967 [171]
3 years ago
11

The spray from a spinning lawn sprinkler makes

Mathematics
1 answer:
Feliz [49]3 years ago
7 0

Answer: 5027.2\ ft^2

Step-by-step explanation:

Given

The radius of the circle is r=40\ ft

The area of the circle is given by \pi r^2

Insert the value of radius and get the area to play

\Rightarrow \text{Area A=}\pi \times 40^2\\\\\Rightarrow A=3.142\times 1600\Rightarrow A=5027.2\ ft^2

Thus, the area to play is 5027.2\ ft^2

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Answer:

\huge{ \fbox{ \sf{5b + 9}}}

Step-by-step explanation:

\star{ \text{( \: 3b + 5) + (2b + 4)}}

\text{Step \: 1 \:  :  \sf{Remove \: the \: unnecessary \: parentheses}}

\text{When \: there \: is \: a \: ( + ) \: in \: front \: of \: an \: expression \: in \: parentheses \:, there \: is \: no \: need \: to \: change \: the \: sign \: of \: each \: term \: in \: the \: expression.}

\text{That \: means, \: the \: expression \: remains \: the \: same. \: Just \: you \: have \: to \: remove \: the \: parentheses.}

\mapsto{ \sf{3b + 5 + 2b + 4}}

\text{Step \: 2 \:  : Collect \: like \: terms.}

\text{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}

\mapsto{ \sf{3b + 2b + 5 + 4}}

\mapsto{ \sf{5b + 5 + 4}}

\text{ Step \: 3 \:  :  \sf{Add \: the \: numbers : 5 \: and \: 4}}

\mapsto{ \boxed {\sf{ {5b + 9}}}}

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

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3 years ago
If I saved 100 dollars every week from now until June how much money will I have ?
cricket20 [7]

Answer:

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Answer: 1) Let's simplify step-by-step.

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=x23+x22y−y2

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=x4+x2y2+y4

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Step-by-step explanation:

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