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melomori [17]
3 years ago
15

What are the steps for this {3x\ -5}{3}=11x\ -5?

Mathematics
2 answers:
amm18123 years ago
8 0

<h2>Question:-</h2>

solve it:-\sf{\dfrac{3x-5}{3}=11x-5   }      

<h2><u>Answer</u><u>:</u></h2>

\dashrightarrow\bold{\dfrac{3x-5}{3}=11x-5   }

\dashrightarrow\bold{3 \times (11x-5)=3x-5   } 

\dashrightarrow\bold{(3 \times 11x)-(3\times 5)=3x-5   } 

\dashrightarrow\bold{33x-15=3x-5   } 

\longrightarrow \bold{33x-3x=-5+15   } 

\longrightarrow \bold{30x=10   } 

\mapsto\bold{x=\dfrac{10}{30}   } 

\mapsto\bold{x=\dfrac{1\cancel{0}}{3\cancel{0}}   } 

\hookrightarrow\tt{x=\dfrac{1}{3}   }

lara31 [8.8K]3 years ago
4 0

Answer:

<u>x = 1/3</u>

Step-by-step explanation:

1. Remove  parenthesis.

3x −5/3 = 11x −5

2. Multiply both sides by 33.

3x -5 = 33x -15

3. Subtract 3x3x from both sides.

-5 = 33x -15 -3x

4. Simplify  33x-15-3x33x−15−3x  to  30x-15.

-5 = 30x - 15

5. Add 15 to both sides.

-5 + 15 = 30x

6. Simplify  -5+15 to  10.

10 = 30x

7. Divide both sides by 30.

10/30 = x

8. Simplify  10/30 to 1/3

1/3 = x

9. Switch sides.

x = <u>1/3</u>

Decimal Form: <u>0.333333</u>

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Need help with 1st question !!! Will mark brainlest!!
hjlf
  1. You would calculate this answer with the Pythagorean theorem. The formula is a² + b² = c², which basically means that the sum of two sides squared would equal the side that is missing.
  2. Currently, we are given 6.5 for side 1. The angle measurments we are given is 45º and 90º [the right angle], which means that if we subtract the sum of 45 and 90 from 180 [the total degree amount of every triangle] we can get the missing angle. With the missing angle, we can calculate the length of the second side.
  3. 45º + 90º = 135º. 180º - 135º = 45º.
  4. Now that we have the angles of all three sides [45º, 90º, 45º] we can find the second length of the triangle. The fact that two angles are the same [45º] means that the length is also the same.
  5. Thus proving that M is also 6.5 in length, we can square 6.5 and add both sides to each other once squared.
  6. 6.5² = 42.25.
  7. 42.25 + 42.25 = 84.5.
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<h2>9.2</h2>
4 0
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Two-fifths of one less than a number is less than three-fifths of one more than that number. What numbers are in the solution se
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Answer:

The initial temperature of the object was 37.6

Step-by-step explanation:

we have

f(t)=Ce^{(-kt)} +20

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

Find the value of the constant C

we have the ordered pair (4,35)

substitute in the equation and solve for C

35=Ce^{(-0.0399*4)} +20\\Ce^{(-0.0399*4)}=15\\C=15/e^{(-0.0399*4)}\\C=17.6

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

so

For t=0

f(0)=(17.6)e^{(-k*0)} +20\\f(0)=17.6 +20\\f(0)=37.6

therefore

The initial temperature of the object was 37.6 (I not include units)

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