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Usimov [2.4K]
3 years ago
7

Write an equation in slope-intercept form for the line that passes through (–1, –2) and (3, 4)

Mathematics
2 answers:
nalin [4]3 years ago
7 0

Answer:

3/2x and unknown

Step-by-step explanation:

y2-y1/X2-x1

4--2/3--1

6/4 or 3/2

so 3/2x + or - B, b is where the line intersects on the y axis

USPshnik [31]3 years ago
4 0

Answer:

y = 3/2x - 1/2

Step-by-step explanation:

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A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?
Amanda [17]

Option C

The radius of circle is 13 units

<em><u>Solution:</u></em>

<em><u>The equation of circle is given by formula:</u></em>

(x-h)^2+(y-k)^2 = r^2

Where, the center being at the point (h, k) and the radius being "r"

<em><u>Given that circle has its center at the origin</u></em>

(h, k) = (0, 0)

<em><u>(5, -12) is a point on the circle</u></em>

(x, y) = (5, 12)

<em><u>Substituting in equation we get,</u></em>

(5-0)^2+(12-0)^2 = r^2\\\\5^2+12^2 = r^2\\\\r^2 = 5^2+12^2\\\\r^2 = 25 + 144\\\\r^2 = 169\\\\Taking\ square\ root\ on\ both\ sides\\\\r = \sqrt{169}\\\\r = \pm 13\\\\Since\ radius\ cannot\ be\ negative\ ignore\ r = -13\\\\Thus\ the\ solution\ is:\\\\ \r = 13

Thus radius of circle is 13 units

4 0
4 years ago
Solve 12(x - 1) = 40
nalin [4]

Answer:

x = 13/3

Step-by-step explanation:

12(x - 1) = 40

Distribute

12x -12 = 40

Add 12 to each side

12x-12+12 = 40+12

12x = 52

Divide each side by 12

12x/12 =52/12

x =13/3

6 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINLY PLEASE HELP!!
Studentka2010 [4]

Step-by-step explanation:

1) f(x) =2x -3

y=2x - 3

x= 2y -3

2y =x + 3

y = x+3 over 2

f(x)^-1 = x+3 over 2

2) f(x) = x /x+2

y= x / x+2

y / y+2 = x

y = (y+2)x

y= xy +2x

y -xy = 2x

y( -x +1) = 2x

y= 2x over -x + 1

f(x)^1 = 2x over -x + 1

4 0
3 years ago
What is the value of m in this proportion? 1/2/3/5= 1/3m
Maurinko [17]

Answer:

1/10

Step-by-step explanation:

The Formula for Percent Proportion is Parts /whole = percent/100. This formula can be used to find the percent of a given ratio and to find the missing value of a part or a whole.

4 0
3 years ago
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Please help I'll mark brainliest ​
laiz [17]

Answer:

you would be correct in the second option, <u>unknown</u>

Step-by-step explanation:

anonymous is another word for unknown, i learned this in gamer talk ;P

5 0
2 years ago
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