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Xelga [282]
2 years ago
8

What is the slope-intercept form equation of the line that passes through (1, 3) and (3, 7)? (1 point) y = −2x + 1 y = −2x − 1 y

= 2x + 1 y = 2x − 1
Mathematics
1 answer:
Stolb23 [73]2 years ago
3 0

Answer: y=2x+1

Step-by-step explanation:

The slope of the line is \frac{7-3}{3-1}=\frac{4}{2}=2

Using the point (1,3) to substitute into point-slope form,

y-3=2(x-1)\\\\y-3=2x-2\\\\\boxed{y-2x+1}

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Charlie bought 25 shares of stock at $10.50 per share and sold them
frutty [35]

Answer:

$18.75

Step-by-step explanation:

11.25 - 10.50 = 0.75

0.75 • 25 = 18.75

3 0
2 years ago
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation
Alexxx [7]
Ok

y=-0.04x^2+8.3x+4.3
when the rocket reaches the ground (when height=0, ie when y=0), then the rocket will land, find the x coordinate

set y=0
0=-0.04x^2+8.3x+4.3
use quadratic formula
if you have ax^2+bx+c=0, then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
a=-0.04
b=8.3
c=4.3
x=\frac{-8.3+/- \sqrt{8.3^{2}-4(-0.04)(8.3)} }{2(-0.04)}
x=208.017 or -0.516785
xrepresents horizontal distance
you cannot have a negative horizontal distance unless you fired and theh wind blew it backwards
therefor x=280.017 is the answer
208.02 m


7 0
3 years ago
Cannnn iiii please get helpppp
Feliz [49]

Answer:

what is this

Step-by-step explanation:

5 0
3 years ago
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A baseball hat for $22.90 at 5% sales tax
Alexus [3.1K]
22.90*1.05=24.045
sales tax is 5% added to 100% of the original cost making the actaul cost including tax $24.045 
8 0
3 years ago
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A rectangular prism has a length of 3/8 a width of 5/8 and height of 7/8, what is the volume
Allisa [31]
L x w x h
3/8=0.375
5/8=0.625
7/8=0.875
0.375x0.625x0.875 =
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6 0
3 years ago
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