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vova2212 [387]
3 years ago
14

I need help plz. 10 points

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

1: 4 + 3 - 2 + 1

2: ( 9 x 2 ) ÷ 6 + 1

3: ( 7 + 9 ) ÷ 4 - 3

4: [( 8 ÷ 4 ) x 3 ] - 4

5: ( 1 x 2 ) + 4 + 3

6: im stumped.. sorry

7: 12 x 3 ÷ 9 + 8

8: [( 15 + 3 ) -  4 ] - 7

9: 1 + 4 + 6 - 8

10: 2 x 2 x 2 - 2

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The length of a rectangle is twice the width. An equation that models the perimeter of the rectangle is 2w+4w=36 where w is the
drek231 [11]

Answer: 12

Step-by-step explanation:

Let w = the width of the rectangle

Let 2w = the length

P = 2l + 2w

36 = 2(2w) + 2w

36 = 4w + 2w

36 = 6w

w = 6

l = 2(6)

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4 0
2 years ago
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Write the equation of a line perpendicular to y=-12x+2 going through (0,-1)
DanielleElmas [232]

             \rule{50}{1}\large\blue\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}

          <em>Write the equation of a line perpendicular to y=-12x+2 going </em>

<em>            through (0, -1)</em>

<em />

<em>      </em>\rule{50}{1}\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}

        First, let's take a look at our provided information:-

  • A line \text{y=-12x+2}
  • A point (0, -1)
  • The line \text{y=-12x+2} is perpendicular to the line that goes through (0, -1)

     If two lines are perpendicular to each other, their slopes are opposite reciprocals of each other.

   So we take the slope of the given line, which is -12, change its sign from minus to plus:-

\Large\textit{12}

And now, We flip the number over:-

\Large\text{$\displaystyle\frac{1}{12}$}

Now that we've found the slope of the line, let's find its equation.

     The first step is to write it in point-slope form as follows:-

\longmapsto\sf{y-y_1=m(x-x_1)}

Replace letters with numbers,

\longmapsto\sf{y-(-1)=\displaystyle\frac{1}{12}(x-0)}

On simplification,

\longmapsto\sf{y+1=\displaystyle\frac{1}{12} (x-0)}

On further simplification,

\longmapsto\sf{y+1=\displaystyle\frac{1}{12} x}

Subtracting 1 on both sides,

\longmapsto\sf{y=\displaystyle\frac{1}{12} x-1}

\Uparrow\texttt{Our equation in slope-intercept form}

<h3>Good luck with your studies.</h3>

#TogetherWeGoFar

\rule{300}{1}

5 0
2 years ago
I need help quick I do K12 and this doesn’t make sense to me AT ALL
AleksandrR [38]

Answer:

Step-by-step explanation:

mean

I think.

3 0
2 years ago
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Write a standard form equation...
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I know the answer isnt A
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1. A girl scout troop uses 14 flashlight batteries on a three-night camping trip. If they are planning a seven-night trip, how m
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Answer to 4.
About 106.66
If they ask if a rounded answer it would be 107. You just divide 2560 by 24 because you know 24 balls is 3 pounds.
3 0
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