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Yuri [45]
3 years ago
15

8(-b-4) Simpif the expression

Mathematics
2 answers:
nadezda [96]3 years ago
7 0

Answer:

-8b - 32

Step-by-step explanation:

Distribute the 8 to each term in the parentheses:

8(-b) = -8b

8(-4) = -32

Add these two terms together:

-8b - 32 is the simplified expression

kkurt [141]3 years ago
6 0

Hey there!

<h2>ANSWER: -8b-32</h2><h2>EXPLANATION:</h2>

8(-b-4)

Separate 8 and -b-4 with parenthesis and also add (-b+-4)

(8)(-b+-4)\\(8)(-b)+(8)(-4)=-8b-32\\-8b-32

-8b-32 is your answer.

Hope this helps :)

\text{-TestedHyperr}

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Graph the system of equations. {4x+4y=16 x+6y=−6 Use the Line tool to graph the lines.
tatiyna

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

4x+4y=16 -----> equation A

x+6y=-6 -----> equation B

we know that

The solution of the system of equations is the intersection point both graphs

In this problem

The intersection point is (6,-2)

therefore

The solution is the point (6,-2)

using a graphing tool

see the attached figure

5 0
4 years ago
Y - 6 = 4(1 - 4)
klasskru [66]

y - 6 = 4(1 - 4)

y - 6 = 4 - 16

y - 6 = -12

y = -12 + 6

y = -6

This is a horizontal line through the point (0, -6). See below.

4 0
3 years ago
Solve the system of equation by the addition method x-2y=11 and -x+6y =-31
Sonbull [250]

Answer: x = 1, y = - 5

Step-by-step explanation:

The given system of linear equations is expressed as

x - 2y = 11- - - - - - - - - - - - -1

- x + 6y = - 31- - - - - - - - - - - -2

We would eliminate x by adding equation 1 to equation 2. It becomes

- 2y + 6y = 11 - 31

4y = - 20

Dividing the the left hand side and the right hand side of the equation by 4, it becomes

4y/4 = - 20/4

y = - 5

Substituting y = - 5 into equation 1, it becomes

x - 2 × - 5 = 11

x + 10 = 11

Subtracting 10 from the left hand side and the right hand side of the equation, it becomes

x + 10 - 10 = 11 - 10

x = 1

3 0
4 years ago
What is the sum (Two-fifths x + StartFraction 5 over 8 EndFraction) + (one-fifth x minus one-fourth)?
liubo4ka [24]

The sum of  ( \frac{2}{5} x + \frac{5}{8} ) + ( \frac{1}{5} x - \frac{1}{4} ) is  \frac{3}{5} x +  \frac{3}{8}

Step-by-step explanation:

To add or subtract 2 fractions, they must have same denominators, if they not do that

  • Find the Lowest common multiple of the two denominators (LCM)
  • Replace each denominator by it
  • Divide The LCM by each denominator and multiply the numerator of each fraction by its quotient

∵ ( \frac{2}{5} x + \frac{5}{8} ) + ( \frac{1}{5} x - \frac{1}{4} )

- Let us start with adding the like terms

∴  ( \frac{2}{5} x + \frac{5}{8} ) + ( \frac{1}{5} x - \frac{1}{4} ) = (

∵ ( \frac{2}{5} x + \frac{1}{5} x ) have same denominators, then we can add them

∴ ( \frac{2}{5} x + \frac{1}{5} x ) = \frac{3}{5} x

∵  ( \frac{5}{8}  - \frac{1}{4} ) do not have the same denominators, then we must find

    LCM of 8 and 4

- The LCM of 8 and 4 is 8 because 8 is the first common multiple

   of 8 and 4

∵ LCM of 8 and 4 is 8

- Divide 8 by the denominator 4

∵ 8 ÷ 4 = 2

- Multiply the numerator of the fraction by 2

∴ \frac{1}{4}=\frac{2}{8}

∴  ( \frac{5}{8}  - \frac{1}{4} ) = ( \frac{5}{8} - \frac{2}{8} ) = \frac{3}{8}

∴  ( \frac{2}{5} x + \frac{5}{8} ) + ( \frac{1}{5} x - \frac{1}{4} ) = \frac{3}{5} x +  \frac{3}{8}

The sum of  ( \frac{2}{5} x + \frac{5}{8} ) + ( \frac{1}{5} x - \frac{1}{4} ) is  \frac{3}{5} x +  \frac{3}{8}

Learn more:

You can learn more about the fractions in brainly.com/question/2456302

#LearnwithBrainly

7 0
3 years ago
Read 2 more answers
In a department store he finds a square rug that has an area of 9 m2. How many of those rugs are needed to cover an area of 36 s
Svet_ta [14]

Answer:

4

Step-by-step explanation:

Divide the total area by the area of a rug to find the number of rugs.

The total area is 36 m²

The area of a rug is 9m²

36m² ÷ 9m² = 4

Therefore 4 rugs are needed to cover an area of 36 square metres.

8 0
3 years ago
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