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mixas84 [53]
3 years ago
11

8(-8x – 6) = -6x - 22 solve for x

Mathematics
2 answers:
rusak2 [61]3 years ago
7 0

Answer:

x = - 13/29 OR x = - -0.44827586

Step-by-step explanation:

We use PEMDAS to evaluate the equation.

P stands for parenthesis. In this case we distribute the 8 to the equation in parenthesis.

8(-8x - 6)

-64x - 48 = -6x - 22 we will move the terms to their proportional sides

-64x + 6x = 22 + 48 (remember we do the opposite equation to move to the other side of the equals to sign)

-58x = 70 we divide both sides by -58 to isolate x

x = - 13/29 OR x = - -0.44827586

Gnoma [55]3 years ago
3 0

Answer: I got 3.18 repeating

Step-by-step explanation:

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^lets start off easy☺️^
butalik [34]

Answer:

mary=10 jack=15

Step-by-step explanation:

After 4 years Mary (x+4), Jack's age (x+5) + 4.

sum of the ages after 4 years :(x+4) + (x+5) +4=33 

Simplifying the equation:

2x+13 = 33 ----->> 2x=20----->>>>x = 10 Mary's age

10 + 5 = 15 which is Jack's age. 

7 0
3 years ago
Solve by completing the square 4x^2-30=12+10x
natali 33 [55]
16x - 30 = 12 + 10

6x = 42

x = 7
5 0
4 years ago
Una diseñadora de modas que confecciona trajes de noche, tarda 3 horas en cortar y 2 horas en coser cada vestido de fiesta. Para
ella [17]

For this case we define the following variables:

x: Number of party dresses

y: Number of suits

You have 30 hours per week to cut, that is, the first equation is given by:

3x + 3y = 30\\

It is also known that 25 hours per week are available for sewing, that is:

2x + 3y = 25\\

It has a system of two equations with two unknowns, solving we have:

3x + 3y = 30\\\\2x + 3y = 25\\

Multiplying the second equation by -1:

3x + 3y = 30\\\\-2x-3y = -25\\

Adding up:

x + 0 = 5\\\\x = 5\\

Substituting x in the first equation:

3 * 5 + 3y = 30\\\\15 + 3y = 30\\

Clearing and:

3y = 30-15\\\\3y = 15\\

y = \frac{15}{3}\\\\y = 5\\

Thus, per week, the designer can produce 5 party dresses and 5 suits working at her maximum capacity.

Answer:

5 Party dresses

5 Suits


5 0
3 years ago
How many solutions does the equation <br> |x+7|=0 <br> have?
Daniel [21]

The equation has one solution, x = -7.

3 0
3 years ago
Read 2 more answers
Sylvia has a piece of material that is 668.36 square inches. She marked the material into 4 equal pieces and then cut out one of
sveta [45]

The whole magic jug had 668.36 ounces of mysterious elixir in it.
Sylvia came along and marked it into 4 equal amounts, so each
amount was  (1/4)  of  (668.36 ounces).

Now, you would have us believe, she tucked the magic jug under her cloak,
walked quickly and quietly down the hall into the shadows, pulled the jug out,
and quaffed one of the equal amounts from it, all in one slug.

The quantity remaining in the jug was then 

                     (3/4) of (668.36 ounces)  =  501.27 ounces.

The same process works for length, volume, area, stones, money, anything.
If you divide up what you have into 4 equal parts, then each part is 1/4 .
If you eat, sell, lose, or give away  1/4  of it, you have  3/4  left.

8 0
3 years ago
Read 2 more answers
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