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anyanavicka [17]
2 years ago
8

2x-7/3-5x+4/5=-x-4/30

Mathematics
1 answer:
Strike441 [17]2 years ago
5 0

Answer:

Exact form: -7/10

Decimal form: -0.7

Step-by-step explanation:

Isolate the variable by dividing each side by by factors that don't contain the variable.

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The correct factorization is
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A 10 metre length of Wood is marked out into 10 equal lengths. How many metres from one end is the third mark?
Eduardwww [97]

3 metres from one end to the third mark

Solution:

Total length of wood = 10 metre

Wood is marked into 10 equal length.

$\text{Length of each marking}=\frac{\text{Total length}}{\text{Number of marking}}

                                     $=\frac{10}{10}

                                     = 1 metre

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The image of the marking is attached below.

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3 years ago
Simplify by combining like terms -5a-4a+b
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3 years ago
How do I solve w+ 4 = 16​
UkoKoshka [18]

Answer:

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8 0
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(x^3−7x−6) : (x−4)<br> Kan someone solve this for me, and show how to get it?
Vladimir79 [104]

Answer:

x = 3 or x = -1 or x = -2

Step-by-step explanation:

Solve for x:

(x^3 - 7 x - 6)/(x - 4) = 0

Hint: | Multiply both sides by a polynomial to clear fractions.

Multiply both sides by x - 4:

x^3 - 7 x - 6 = 0

Hint: | Factor the left hand side.

The left hand side factors into a product with three terms:

(x - 3) (x + 1) (x + 2) = 0

Hint: | Find the roots of each term in the product separately.

Split into three equations:

x - 3 = 0 or x + 1 = 0 or x + 2 = 0

Hint: | Look at the first equation: Solve for x.

Add 3 to both sides:

x = 3 or x + 1 = 0 or x + 2 = 0

Hint: | Look at the second equation: Solve for x.

Subtract 1 from both sides:

x = 3 or x = -1 or x + 2 = 0

Hint: | Look at the third equation: Solve for x.

Subtract 2 from both sides:

Answer:  x = 3 or x = -1 or x = -2

3 0
3 years ago
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