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Elis [28]
3 years ago
6

Solve the equation 0.3x-2=0.1(x+20) whats the solution set?

Mathematics
1 answer:
Inga [223]3 years ago
7 0

x = 40/2 = 20 i think thsts the answer if I was wrong you have to right to slap my face

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Rus_ich [418]
Both figures always have four sides

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3 years ago
Could you please show the work for both of them?​
lesantik [10]
7. y=-3/2x+8 (3rd answer choice)

substitute
-4=-3/2(8)+b
-4=-24/2 +b
-4=-12+b
+12 both sides
8=b

so equation would be...

y=-3/2x+8 (3rd answer choice)




8. y=-5x-17 (2nd answer choice)

substitute
-2=-5(-3)+b
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so the equation would be...

y=-5x-17 (2nd answer choice)


check your work by substituting each (x,y) value into the final equations if you want. hope this helps :))
3 0
2 years ago
Select ONE of these problems to solve. STAR the problem and then write the expression first. After you write the expression, sol
Gwar [14]
An expression that represents the total calories for ‘n’ Big Macs is:
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6 0
2 years ago
Read 2 more answers
What is -3(-6+8)^3-2(1-3)^3
marin [14]

Assignment: \bold{Solve \ Equation: \ -3\left(-6+8\right)^3-2\left(1-3\right)^3}

<><><><><>

Answer: \boxed{\bold{-8}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><>

[ Step One ] Follow PEMDAS Order Of Operations; Calculate Within Parenthesis

Note: \bold{PEMDAS: \ Parenthesis, \ Exponents, \ Multiply, \ Divide, \ Add, \ Subtract}

\bold{-6+8: \ 2}

[ Step Two ] Rewrite Equation

\bold{-3\cdot \:2^3-2\left(1-3\right)^3}

[ Step Three ] Calculate Within Parenthesis

\bold{1-3: \ -2}

[ Step Four ] Rewrite Equation

\bold{-3\cdot \:2^3-2\left(-2\right)^3}

[ Step Five ] Calculate Exponents

\bold{2^3: \ 8}

[ Step Six ] Rewrite Equation

\bold{-3\cdot \:8-2\left(-8\right)}

[ Step Seven ] Multiply

\bold{2\left(-8\right): \ -16}

[ Step Eight ] Rewrite Equation

\bold{-24-\left(-16\right)}

[ Step Nine ] Subtract

\bold{-24-\left(-16\right): \ -8}

[ Step Ten ] Rewrite Equation

\bold{-8}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

8 0
3 years ago
X to the 3rd power= 64/343
leva [86]

Answer:

x = 4/7

Step-by-step explanation:

x^3 = 64/ 343 // - 64/ 343

x^3 - ( 64/ 343 ) = 0

x^3 - 64 / 343 = 0

1*x^3 = 64/ 343 // : 1

x^3 = 64/ 343

x^3 = 64/ 343 // ^ 1/3

x = 4/ 7

5 0
2 years ago
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