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-BARSIC- [3]
3 years ago
14

3. A student measures the time it takes for a sheet of paper to fall to the ground from a marked height. The student then crumpl

es the same piece of paper and drops the paper from the same. What variable did the student change? ​

Mathematics
1 answer:
mars1129 [50]3 years ago
6 0

Answer:

independent variable is the shape of the paper

dependent variable is the time it takes to fall

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Evaluate the expression for b = 0 and c= -11.<br> bc + b
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Answer:

If b = 0 and c = -11, all you have to do is plug in the values into bc + b:

Step-by-step explanation:

(0)(-11) + 0 = 0

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So hmm notice the picture below

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3 years ago
PLS HELP! I WILL TEACH YOU HOW TO SOLVE YOU JUST HAVE TO SOLVE
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Please help with #12 im confused<br> that is the key but i dont get it
Svetllana [295]

Given Equation

\boxed{ \tt \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})}

Step by step expansion:

\dashrightarrow \sf \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})

\\  \\

\dashrightarrow \sf \: (8 \sqrt{3})^{2}  - (2 \sqrt{2}  {)}^{2}

Reason:

(a + b)(a - b) = a²- b²

\\  \\

\dashrightarrow \sf \: (8 {}^{2}  \times  { \sqrt{3} }^{2} )- (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 {}^{2} \times   \sqrt{2}  {}^{2}  {)}

\\  \\

\dashrightarrow \sf \: 192- 8

\\  \\

\dashrightarrow \sf \: 184

\\  \\

~BrainlyVIP ♡

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Explain how to use the combine values strategy to find 223-119
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223
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In stead of doing 3-9 and 2-1 do 23-19 then 2-1
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