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Andrews [41]
3 years ago
7

Write the equation of a secant line? Screenshot of the question is attached

Mathematics
1 answer:
murzikaleks [220]3 years ago
5 0

Answer:

y = 12x - 13

Step-by-step explanation:

The two points you want the line through are ...

... (-4, h(-4)) = (-4, -61)

and

... (2, h(2)) = (2, 11)

The 2-point form of the equation of a line is applicable. For (x1, y1) and (x2, y2), the equation is

... y = (y2-y1)/(x2-x1)·(x-x1) +y1

... y = (-61-11)/(-4-2)·(x -2) + 11 . . . . putting in the point values

... y = 12(x -2) + 11 . . . . . . . . . . . . . simplify

... y = 12x -13 . . . . . . . . . . . . . . . . . eliminate parentheses, collect terms

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Janey bought a used bicycle for $640. the bike was 3 years old when she bought it, and cost $850 new. assuming it decreases in v
Radda [10]
The first thing we must do in this case is to define the variables.
 We have then:
 v: the value of the bicycle
 t: years
 The standard equation of the line is:
 v-vo = m (t-to)
 The slope is:
 m = (v2-v1) / (t2-t1)
 Substituting values:
 m = (640-850) / (3-0)
 m = -70
 We choose an ordered pair:
 (to, vo) = (0, 850)
 Substituting values:
 v-850 = -70 (t-0)
 Rewriting:
 v = -70t + 850
 Answer:
 
assuming it decreases in value by the same amount each year, a linear equation for the value of the bicycle, v, when it is t years old is:
 
v = -70t + 850
6 0
3 years ago
Help me I WILL GIVE BRAINLEST
pashok25 [27]

Answer:

OPTION B IS CORRECT COZ DISTANCE OF TWO POINTS ARE ALWAYED SUBTRACTED

6 0
3 years ago
What the equation of the line
Ganezh [65]

Answer:

y = 0

Step-by-step explanation:

5 0
3 years ago
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A box contains 4 black shirts, 8 blue shirts, 4 black pants, and 10 blue pants. Determine the probability of randomly selecting
Rashid [163]
<h3>Answer:  11/13</h3>

============================================================

Explanation:

Add up the four numbers given: 4+8+4+10 = 26 items total

Kick out the 4 black shirts since they are neither blue, nor are they pants.

So we have 26-4 = 22 items that are blue or a pair of pants (or both).

Divide that over the total (26) to get the probability we're after:

22/26 = (11*2)/(13*2) = 11/13

Side note: 11/13 = 0.8462 = 84.62% approximately

7 0
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Stels [109]

-9 is the answer

your welcome

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3 years ago
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