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prisoha [69]
3 years ago
11

Slope= -1/2, y-intercept = 4​

Mathematics
1 answer:
navik [9.2K]3 years ago
5 0

Answer:

y=-1/2x+4

Step-by-step explanation:

y=mx+b

where m=slope and b=y-intercept

so

y=-1/2x+4

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Which equation has the solutions x=1+/- 5?
nikitadnepr [17]

Answer:

x^{2} -2x-4=0

Solving Steps

Use the quadratic formula

x=\frac{-(-2)(+/-)\sqrt{(-2)^2-4*1*(-4)} }{2*1}

Multiply / Remove the parentheses / Evaluate

x=\frac{2(+/-)\sqrt{4+16} }{2}

Calculate

x=\frac{2(+/-)\sqrt{20} }{2}

Separate the solutions

x=\frac{2(+/-)2\sqrt{5} }{2} \\x=\frac{2-2\sqrt{5} }2}

Simplify

x=1+\sqrt{5} \\x=1-\sqrt{5}

4 0
2 years ago
I need help on it pls
Jobisdone [24]

Answer:

300 necklaces

Step-by-step explanation:

8,400 divided by 28 equals 300

4 0
3 years ago
A series of tile patterns is shown below. Consider the function that represents the number of white tiles in each figure. Figure
mr_godi [17]
No one can answer this there is no picture for me or anyone else to look at
7 0
3 years ago
The radius of a circle is 3 yards. What is the circle's area?
Yakvenalex [24]

Answer:

28.26 Yards

Step-by-step explanation:

Step One: Square Radius

r = 3

3² = 9

Step Two: Multiply 9 by π

π = 3.14

9 · 3.14

= 28.26

4 0
2 years ago
So confused pls help me
Gala2k [10]

Answer:

a=49

Step-by-step explanation:

The angle having value (a+49)\textdegree is the exterior angle.

<em><u>Exterior angle of a triangle is equal to the sum of the other two opposite angles.</u></em>

Hence

a+49=a+a\\\\a+49=2a\\\\2a=a+49\\\\2a-a=49\\\\a=49

7 0
3 years ago
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