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spayn [35]
3 years ago
12

Help me with this question plz Solve: 3x + 9 = 4x

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0
9 = x

subtract 3x from both sides of the equation and you're left with 9=x
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An isosceles triangle has an angle that measures 38degrees. What measures are possible for the other two angles? Choose all that
Sphinxa [80]

Answer:

  • 71° and 71°.

⠀

Step-by-step explanation:

The triangle having two sides equal along with one different side is called an isosceles triangle.

⠀

  • So, Let us assume the other sides (two equal sides) of the isosceles triangle as x. As the different side is already given in the question.

⠀

We know that,

  • The sum of all angles of a triangle is 180°

⠀

So, According to the question :

⠀

{\longrightarrow \it\qquad { \ { {  38 \: }^{ \circ}   + x + x  =  180{}^{ \circ} }}}

⠀

{\longrightarrow \it\qquad { \ { {  38 \: }^{ \circ}   + 2x   =  180{}^{ \circ} }}}

⠀

{\longrightarrow \it\qquad { \ {   2x   =  180{}^{ \circ} - {  38 \: }^{ \circ}}}}

⠀

{\longrightarrow \it\qquad { \ {   2x   =  142{}^{ \circ}  }}}

⠀

{\longrightarrow \it\qquad { \ {   x   =    \dfrac{142{}^{ \circ}}{2}   }}}

⠀

{\longrightarrow \it\qquad { \pmb {   x   =  71^{ \circ}  }}}

⠀

Therefore,

  • The measure of the two other angles of the isosceles triangle are 71° and 71°.
3 0
2 years ago
Will give brainliest to correct answer
trapecia [35]

Answer:

30 lamps

Step-by-step explanation:

30*2= 60

3 0
2 years ago
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leva [86]
8x - x + 4 - 3
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6 0
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5/8 and 1/4 is subtracted from the product of 2 3/4 and 1 3/5 what is the difference
olga55 [171]

Answer:

-233/40

Step-by-step explanation:

5/8 + 1/4 - 2(3/4 + 13/5)

5/8 + 2/8 - 6/4 + 26/5

7/8 - 30/20 + 104/20

7/8 - 134/20

35/40 - 268/40

-233/40

3 0
3 years ago
Graph the inequality y &gt; 3x + 3
natita [175]

Answer:

see below

Step-by-step explanation:

7 0
2 years ago
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