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Oxana [17]
3 years ago
6

Solve for x using the distributive property. 9(5 - x) = 81 x = [?]

Mathematics
1 answer:
Ilya [14]3 years ago
8 0

Answer:

\boxed {x = -4}

Step-by-step explanation:

Solve for the value of x:

9(5 - x) = 81

-Use <u>Distributive Property</u>:

9(5 - x) = 81

45 - 9x = 81

-Subtract 45 to both sides:

45 - 45 - 9x = 81 - 45

-9x = 36

-Divide both sides by:

\frac{-9x}{-9} = \frac{36}{-9}

\boxed {x = -4}

So, the value of x is -4.

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Someone help me with example plzz
kati45 [8]

Answer:

Angle JML= 132( given)

Triangle JML= 180( Angle sum property)

2x+ 48= KML( Exterior angle property)

In triangle JML,

76 + ∠L+ ∠KML=180°

∠KML=∠L( angles opposite to equal sides are equal)

76+2(2x+48)=180°

2(2x+48)=104°

2x=104-48=64°

x= 32°

Step-by-step explanation:

Hope it helps : )

5 0
2 years ago
Solve the equation <br> 14(3x-1)=2x-23
irina1246 [14]

Answer:

x=\frac{-9}{40} \\

Step-by-step explanation:

Given Equation:

           14(3x-1)=2x-23

Solving the bracket on L.H.S

        (14)(3x)-1(14)=2x-23

             42x-14=2x-23

Taking the terms of 'x' to one side and the constants to other side

                 42x-2x=-23+14\\\\40x=-9\\\\x=\frac{-9}{40} \\

The value of 'x' after solving the equation is:

                            x=\frac{-9}{40} \\

3 0
3 years ago
A group of students is given a 10 by 10 grid to cut into individual unit squares. The challenge is to create two squares using a
givi [52]

Answer:

8 is the side length of the greater square.  100=x^2+(x-2)^2

Step-by-step explanation:

64+36=100

8 squared plus 6 squared equals 10 squared

8 is 2 more than 6

100=x^2 +y^2

x-y=2

100=x^2+(x-2)^2

7 0
3 years ago
Beth read a total of 12 books over 7 months.
givi [52]

She has been with her book club for 49 months.

Step-by-step explanation:

Books read = 12 books

Time period = 7 months

Therefore,

12 books = 7 months

1 book = \frac{7}{12}\ months    

Books read so far = 84 books

Total time period = x

84 books = x months

1 book = \frac{x}{84}\ months

Using both unit rates;

\frac{x}{84}=\frac{7}{12}\\x=\frac{7}{12}*84\\x=\frac{588}{12}\\x=49\ months

She has been with her book club for 49 months.

Keywords: Unit rates, multiplication

Learn more about multiplication at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

8 0
3 years ago
What is p^m ÷ p^n equal to?
Alex Ar [27]

Answer:pm*pn = p^2mn. But if p=1, then it would just be pm*n

Step-by-step explanation:

7 0
3 years ago
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