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Natali5045456 [20]
3 years ago
5

What is the slope of the line the contains the points (-1,-1) and (3,15)?

Mathematics
2 answers:
attashe74 [19]3 years ago
7 0
The answer to this question is A
Nastasia [14]3 years ago
7 0
A.4
Hope it helps, good luck
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Without the use of a calculator, calculate 77^2−23^2.
stepan [7]

Answer:

5400

Step-by-step explanation:

4 0
3 years ago
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Simplify : (√x + √y ) (√x − √y) (x + y)(x2 + y2)
Ivan

Solution, \mathrm{Expand}\::\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right)\left(x+y\right)\left(x^2+y^2\right):\quad :x^4-:y^4

Steps:

\mathrm{Expand}\:\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right):\quad x-y, =\left(x-y\right)\left(x+y\right)\left(x^2+y^2\right)

\mathrm{Expand}\:\left(x-y\right)\left(x+y\right):\quad x^2-y^2, =:\left(x^2-y^2\right)\left(x^2+y^2\right)

\mathrm{Expand}\:\left(x^2-y^2\right)\left(x^2+y^2\right):\quad x^4-y^4, =:\left(x^4-y^4\right)

\mathrm{Expand}\::\left(x^4-y^4\right):\quad :x^4-:y^4, =:x^4-:y^4

The correct answer is <u><em>x^4-y^4</em></u>

Hope this helps!!!

4 0
3 years ago
A random walk on the 2-dimensional integer lattice begins at the origin. At each step, the walker moves one unit either left, ri
NNADVOKAT [17]
The 9 combinations that exist for two movements:

R,R
R,L
R,U *
L,R
L,L
L,U
U,R *
U,L
U,U

Walker would only be able to make it to (1,1) with only 2 of these combinations.

So if he were only allowed to make two movements, his chances of arriving at (1,1) would be 2/9.
7 0
3 years ago
Giving 20 points please get it right
AVprozaik [17]

Answer:

10

Step-by-step explanation:

Leave the 5 , change division to multiplication and turn the fraction upside down.

5 × \frac{2}{1} = 5 × 2 = 10

6 0
3 years ago
109+(2x-3)+x+(x+32)+164+x+(x-7)=740 find x
tatyana61 [14]

Answer:

x = \frac{445}{6} or 74\frac{1}{6}

Step-by-step explanation:

5 0
3 years ago
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