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Tomtit [17]
2 years ago
8

Pls help me expand this expression

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
7 0

Answer:

just be smart

Step-by-step explanation: (2x)

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Triangles LMN and NWR are right triangles. What is
Sever21 [200]

Answer:

NW = 15.6 cm

Step-by-step explanation:

If ΔLMN ~ ΔNWR then:

\sf LN : LM = RN : RW

\implies \sf \dfrac{LN}{LM}=\dfrac{RN}{RW}

\implies \sf \dfrac{10}{24}=\dfrac{6}{RW}

\implies \sf 10RW=6 \cdot 24

\implies \sf RW = 14.4\:cm

Find NW by using Pythagoras' Theorem:

a^2+b^2=c^2

(where a and b are the legs, and c is the hypotenuse, of a right triangle)

Given:

  • a = RN = 6 cm
  • b = RW = 14.4 cm
  • c = NW

Substituting the given values into the formula and solving for NW:

\implies \sf 6^2+14.4^2=NW^2

\implies \sf NW^2=243.36

\implies \sf NW=\sqrt{243.36}

\implies \sf NW=15.6\:cm

4 0
2 years ago
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Find the area of the regular pentagon below by using the area formula for triangles.
frutty [35]

Answer: D 20in2

Step-by-step explanation:

4 0
3 years ago
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Someone answer this I’ll give you all my points
mote1985 [20]

Answer:

<em>Equation; y = - x + 3</em>

Step-by-step explanation:

To determine the equation, let us first determine the slope of the line, through the equation ( y2 - y1 ) / ( x2 - x1 ), in this case where y2 ⇒ 1, y1 ⇒ 5, x2 ⇒ 2, and x1 ⇒ -2;

( 1 - 5 ) / ( 2 - ( - 2 ) ) ⇒ Simplify,

( - 4 ) / ( 4 ),

<em>Slope; - 1</em>

Now that we have the slope, let us substitute this known value into the point - slope equation in the following form;

y = a * x + b, where a ⇒ slope, and b ⇒ y - intercept,

( So far we have ) y = - x + b,

Let us solve for the value of b in y = - x + b by substituting one of the points, say ( 2 , 1 ) where x ⇒ 2, and y ⇒ 1;

( 1 ) = - ( 2 ) + b,

1 = - 2 + b,

b = 3;

<em>Equation; y = - x + 3</em>

8 0
3 years ago
A line passes through the points (–3, 7) and (6, 4). Which shows the graph of this line? On a coordinate plane, a line goes thro
kotykmax [81]

Answer:

The answer is A.

Step-by-step explanation:

Step by step explanation 8)

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3 years ago
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43 answer: 12m^(17/12)n^(8/3)<br>plz help me with question 43...
ruslelena [56]

4/3* m^21/12* n^8/3

you need to use enough of laws of indices


8 0
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