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Bumek [7]
3 years ago
14

−1.5(4−n)+2.8 how to solve this problem

Mathematics
2 answers:
sineoko [7]3 years ago
7 0
To solve this problem,all you can do is simplify. First use the distributive property:

-1.5 * 4= -6
-1.5* n= -1.5n
now you should have this:

-6-1.5n+2.8

Now combine like terms:

-6+2.8= -3.2

Now you have simplified it as much as you can:

-3.2-1.5n is your answer. 

melisa1 [442]3 years ago
3 0
3.2n is your answer for number of ns
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8 0
3 years ago
CAN SOMEONE PLEASE HELP ME???
nalin [4]
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7 0
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Find the volume of a cylinder with base radius of 3 and height of 2
Lunna [17]

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Volume equals 56.6 when rounded to the nearest tenth

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YOU NEED A CALCULATOR TO SOLVE THIS!

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Now that you have the formula you plug in the radius and the height

V = \pi (3^{2}) (2)

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5 0
3 years ago
The measure of an angle is 15 degrees what is the measure of its supplementary angle?
Phantasy [73]

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165

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6 0
3 years ago
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HELP PLEASE ASAP
Pie

\bold{\huge{\underline{ Solution }}}

<u>We </u><u>have</u><u>, </u>

  • Line segment AB
  • The coordinates of the midpoint of line segment AB is ( -8 , 8 )
  • Coordinates of one of the end point of the line segment is (-2,20)

Let the coordinates of the end point of the line segment AB be ( x1 , y1 ) and (x2 , y2)

<u>Also</u><u>, </u>

Let the coordinates of midpoint of the line segment AB be ( x, y)

<u>We </u><u>know </u><u>that</u><u>, </u>

For finding the midpoints of line segment we use formula :-

\bold{\purple{ M( x,  y) = }}{\bold{\purple{\dfrac{(x1 +x2)}{2}}}}{\bold{\purple{,}}}{\bold{\purple{\dfrac{(y1 + y2)}{2}}}}

<u>According </u><u>to </u><u>the </u><u>question</u><u>, </u>

  • The coordinates of midpoint and one of the end point of line segment AB are ( -8,8) and (-2,-20) .

<u>For </u><u>x </u><u>coordinates </u><u>:</u><u>-</u>

\sf{  -8  = }{\sf{\dfrac{(- 2 +x2)}{2}}}

\sf{2}{\sf{\times{ -8  = - 2 + x2 }}}

\sf{ - 16 = - 2 + x2 }

\sf{ x2 = -16 + 2 }

\bold{ x2 = -14  }

<h3><u>Now</u><u>, </u></h3>

<u>For </u><u>y </u><u>coordinates </u><u>:</u><u>-</u>

\sf{  8  = }{\sf{\dfrac{(- 20 +x2)}{2}}}

\sf{2}{\sf{\times{ 8   = - 20 + x2 }}}

\sf{ 16 = - 20 + x2 }

\sf{ y2 = 16 + 20 }

\bold{ y2 = 36  }

Thus, The coordinates of another end points of line segment AB is ( -14 , 36)

Hence, Option A is correct answer

7 0
3 years ago
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