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-Dominant- [34]
3 years ago
15

42 divided by 6 in repeated subtraction

Mathematics
2 answers:
RSB [31]3 years ago
6 0
42-6=36
36-6=30
30-6=24
24-6=18
18-6=12
12-6=6
6-6=0
Wittaler [7]3 years ago
4 0
42 - 6 = 36 - 1 36 - 6 = 30 - 2 30 - 6 = 24 - 3 24 - 6 = 18 - 4 18 - 6 = 12 - 5 12 - 6 = 6 - 6 6 - 6 = 0 - 7 42/6 = 7
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Determine where the real zeros of f(x)=x^4-2x^3+x-2 are located.
siniylev [52]

Answer:

a. at -1 & 2

Step-by-step explanation:

The given function is

f(x)=x^4-2x^3+x-2.

Equate the function to zero.

x^4-2x^3+x-2=0.

Factor by grouping;

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

Factor further;

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

Apply the zero product property;

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

Solve for x;

x=2,x^3=-1

\Rightarrow x=2,x=\sqrt[3]{-1}

\therefore x=2,x=-1

4 0
3 years ago
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Please fill in the blanks! Picture attached
Nostrana [21]

Answer:

4√3 + 13√5

Step-by-step explanation:

11√5 + 4√3 + √20. ,(20= 2√5)

= 11√5 + 4√3 + 2√5

= 4√3 + 13√5

6 0
2 years ago
Write an expression for the area and perimeter for the figure shown
nikklg [1K]

Answer:

Area = 3x² + 7x + 3

Perimeter = 8x + 8

Step-by-step explanation:

The figure can be decomposed into two: a large rectangle and a smaller rectangle.

✍️Dimensions of the large rectangle:

Length = (x + 1) + x = x + 1 + x = (2x + 1)

Width = (x + 3)

Area = length × width

Area = (2x + 1)(x + 3)

Expand

2x(x + 3) +1(x + 3)

2x² + 6x + x + 3

Area = 2x² + 7x + 3

✍️Dimensions of the large rectangle:

Length = x

Width = x

Area = length × width

Area = x × x = x²

✍️Area of the figure = area of the large rectangle + area of the smaller rectangle

Area of the figure = (2x² + 7x + 3) + x²

Area of the figure = 2x² + x² + 7x + 3

✅Area = 3x² + 7x + 3

✍️ Perimeter of the figure = sum of the length of all sides of the figure = (x + 3) + x + x + x + (x + 1) + (x + 3) + (x + 1) + x

✅Perimeter = 8x + 8

4 0
3 years ago
N is an integer such that 3n + 4 < 19 and
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

3n+4<19

3n<19-4

3n<15

n<5

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combining

(-∞,-16)U(16/9,5)

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ArbitrLikvidat [17]

Answer:

Positive

Step-by-step explanation:

Looking for - r/2

Having that negative in front is basically saying

-1 * r/2

Based on where r is it is negative.

-1 × -r thus making the answer going to be positive due to negative × negative = positive

6 0
3 years ago
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