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Mariulka [41]
3 years ago
7

Solve this system by elimination 12x-8y=20. -4x+3y=1

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0
I hope this helps you

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PLEASE HELP ME WITH THIS THANKS
stich3 [128]

Answer:

The answer to your question is Volume = 12735.06 cm³

Step-by-step explanation:

Data

a = 11.26 cm

s = 13 cm

h = 29 cm

Formula

V = BH

Process

1.- Calculate the area of the base

Area = B = Pa/2

P = Perimeter

P = 6(13)

P = 78 cm

Area = (78)(11.26)/2

        = 878.28/2

       = 439.14 cm²

2.- Calculate the volume

Volume = BH

             = (439.14)(29)

             = 12735.06 cm³

7 0
3 years ago
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9^4x=81? I need to solve this math problem nd idk how to
Marina CMI [18]
9^{4x}=81\\
9^{4x}=9^2\\
4x=2\\
x=\dfrac{2}{4}=\dfrac{1}{2}
6 0
3 years ago
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Find the slope of the line containing the pair of the points. (-10,9) and (-6,-9)
zlopas [31]

Answer:

-9/4

Step-by-step explanation:

putting these to y/x form it is 9/-10 and -9/-6 which has a difference of -9/4 (hopefully this is correct-)

5 0
3 years ago
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In a village, there was an epidemic and the population decreased by 10%. If there were only 1800 people left in the village, wha
tester [92]

\bold{\boxed{\huge{\blue{\underline{Answer }}}}}

\bold{\underline{ Given :- }}

\sf{The\: population\: is\: decreased \:by\: 10 percent  }

\sf{There\: were \: only \: 1800 \: people \: left}

\bold{\underline{ To\: Find :- }}

\sf{we \: have \: to \: find\: original \: population? }

\bold{\underline{ Let's \: Begin :- }}

\sf{Let \: the \: total \:  population\: be \: x }

\sf{\underline{ Therefore }}

\sf{According \: to \: the \: question }

\sf{ x - 10/100 = 1800 }

\sf{ 100x - 10/100 = 1800}

\sf{ 100x - 10 = 1800 × 100}

\sf{100x - 10 = 180000}

\sf{ 100x = 180000 + 10}

\sf{ x = 180010/100}

\sf{ x = 1800.1 }

\bold{\pink{Hence , The\: original \:population \:of \: the\: village \:is \:1800.1 }}

7 0
2 years ago
Solve the equation by expressing each side as a power of the same base and then equating exponents.
Kitty [74]
I hope this helps. If I need to know explain further let me know.

3 0
3 years ago
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