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Temka [501]
3 years ago
12

Find the slope of each line. 1) y=5/2x-5

Mathematics
2 answers:
Paul [167]3 years ago
5 0
The slope of each line

y= 5/2x-5
natali 33 [55]3 years ago
3 0

Answer:

The slope of this equation is 5/2.

Step-by-step explanation:

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W + 15 = 29 <br> w=___ ?? HELP
kykrilka [37]

Answer:

w=14

Step-by-step explanation:

29-15=14

7 0
3 years ago
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If a polynomial has one root in the form a+√b , it has a second root in the form of a_√b
gulaghasi [49]
When roots of polynomials occur in radical form, they occur as two conjugates.
That is,
The conjugate of (a + √b) is (a - √b) and vice versa.
To show that the given conjugates come from a polynomial, we should create the polynomial from the given factors.

The first factor is x - (a + √b).
The second factor is x - (a - √b).

The polynomial is
f(x) = [x - (a + √b)]*[x - (a - √b)]
      = x² - x(a - √b) - x(a + √b) + (a + √b)(a - √b)
      = x² - 2ax + x√b - x√b + a² - b
      = x² - 2ax + a² - b

This is a quadratic polynomial, as expected.

If you solve the quadratic equation x² - 2ax + a² - b = 0 with the quadratic formula, it should yield the pair of conjugate radical roots.
x = (1/2) [ 2a +/- √(4a² - 4(a² - b)]
   = a +/- (1/2)*√(4b)
   = a +/- √b
x = a + √b, or x = a - √b, as expected.
3 0
3 years ago
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5x+3(x-1) = 8(x + 2) - 10
Levart [38]

Answer:

9

Step-by-step explanation:

5x+3x-3= 8x+16-10

5x+3x-8x=16-10+3

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= 9

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3 years ago
The area, A, of a square whose side length is n​
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Step-by-step explanation:

the area of a square is the length multiplied the breadth

in a square, all sides are equal so:

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A=n²

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3 years ago
What of the following are parts of a sphere ?
Tamiku [17]
I believe it’s just the base, radius, and maybe the total surface
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3 years ago
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