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lakkis [162]
3 years ago
10

Please solve

Mathematics
1 answer:
mel-nik [20]3 years ago
3 0

Answer:

56

Step-by-step explanation:

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What is the solution to y=6x+25 y=12x-9
prisoha [69]

Answer:

x=17/3, y=59. (17/3, 59).

Step-by-step explanation:

y=6x+25

y=12x-9

--------------

6x+25=12x-9

12x-6x-9=25

6x-9=25

6x=25+9

6x=34

x=34/6=17/3

y=12(17/3)-9=4*17-9=68-9=59

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3 years ago
How many vertices are in a polyhedron with 6 triangular faces?
Bingel [31]
I believe it will be 36 Im sorry if im wrong.
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3 years ago
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Simplify 16 - 12 ÷ 4 +3 (6-2) show working plz ​
ira [324]

Answer:

20

Step-by-step explanation:

16-12/4+3(6-2)      subtract 6 and 2

16-12/4+3+4          divide 12 and 4

16-3+3+4              subtract 16 and 3

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13+7

20

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2 years ago
What does each variable in the Slope-Intercept Form equation represent?
Virty [35]
Y represent the y axis m represents the rate of change x represents the x axis b represents the total
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3 years ago
Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th
DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested \$400

Rate of interest R=6\%

after 1-year amount becomes

A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424

After n years it is

A=400\left (1.06\right)^n

Sum accumulated is \$1200

\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}

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3 years ago
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