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evablogger [386]
3 years ago
8

Factor the expression completely -20x -40

Mathematics
2 answers:
Alenkasestr [34]3 years ago
6 0
X=2
 

its x=2 because you have to divide -20x by -40 so the two negatives cancel out each other and then you get 2.
cricket20 [7]3 years ago
4 0
Hopefully this will help u

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The width of a rectangle is 1 less than one-half its length, and the perimeter is 46.
RideAnS [48]
1)x+1/2x-1=46
2) The length is 94/3(or 31 1/3) and the width is 44/3(or 14 2/3)
6 0
3 years ago
FIRST TO ANSWER GETS BRAINLIEST!
scZoUnD [109]

Answer:

\huge \boxed{ \red{ \boxed{c)78 \: units ^{2} }}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • circle
  • PEMDAS
<h3>tips and formulas:</h3>
  • \rm \:A_{shaded}=  \dfrac{\theta}{360}  \times \pi {r}^{2}
<h3>let's solve:</h3>
  1. \sf sustitute \: the \: value \: of \:  \theta \: and \: r :  \\ A_{shaded} =  \frac{140}{360}  \times \pi \times  {8}^{2}
  2. \sf simpify \: squre :  \\ A_{shaded} =  \frac{140}{360}  \times \pi \times  64
  3. \sf simpify \: fraction:  \\ A_{shaded} =  \frac{7}{18}  \times \pi \times  64
  4. \sf  reduce \: 64:  \\ A_{shaded} =  \frac{7}{ \cancel{ \: 18} \:  ^{9} }  \times \pi \times  \cancel{ 64}  \: ^{32}  \\ A_{shaded} =  \frac{7}{9} \times \pi \times 32\\ A_{shaded} =  \frac{224\pi}{9}

\large A_{shaded}\approx 78 \: square  \: units

8 0
2 years ago
Read 2 more answers
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Step-by-step explanation:

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3 0
3 years ago
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shusha [124]
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Equation has real number solution.
8 0
3 years ago
Show that 5/6 - 3/4 = 1/12
spayn [35]
We have to check if LHS = RHS
First solve LHS
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4 0
3 years ago
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