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vlada-n [284]
3 years ago
8

Please need help ASAP Many solutions exist for the system of equations graft below

Mathematics
1 answer:
just olya [345]3 years ago
4 0

Answer:

Zero

Step-by-step explanation:

The solutions to a system of equations are where the lines intersect. These lines have the same slope meaning they are parallel. Parallel lines never intersect, therefore there are zero solutions.

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Given right triangle ABC with right angle C, and sin A = ¼. Which of the following expressions are also equal to ¼?
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Step-by-step explanation:

5 0
3 years ago
What is the equation for each parabola in y=a(x-r)(x-s) form?<br><br>Please explain it step by step
ozzi
1. first parabola is up, so a are going to be positive
y = a(x-r)(x-s), 
roots -7,-3, so we can write y=a(x+7)(x+3)   [1]
we can take point (-5,-2), substitute into equation [1], and find value of a
-2=a(-5+7)(-5+3)
-2=a*2*(-2)
a=1/2
so first parabola has an equation 
y=1/2(x+7)(x+3) 

2. second parabola
y=a(x-r)(x-s)      roots are 2 and 4 so we ca write
y=a(x-2)(x-4) take point (3,4) and substitute into this equation
4 =a(3-2)(3-4)
4=-a
a=-4, and it will look down
y=-4(x-2)(x-4)

6 0
3 years ago
From the diagram below, find the length of AC. Round your answer to the nearest hundredth.
Anastaziya [24]

Answer:

D 11.61

Step-by-step explanation:

Arc length is

2\pi r(\frac{angle}{360} )

r=5 and angle measure is 133

2\pi 5(\frac{133}{360} )\\10\pi (\frac{133}{360} )=11.61\\\\

6 0
3 years ago
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