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KatRina [158]
4 years ago
13

(-1,-4) 9x+3y=8 Write an equation in slope-intercept form for the line that passes through the given point and is parallel to th

e graph
Mathematics
1 answer:
jekas [21]4 years ago
5 0
9x+3y=8\ \ \ | subtract\ 9x\\\\
3y=8-9x\ \ \ | divide\ by\ 3\\\\
y=-3x+\frac{8}{3}\\\\new\ line:\y=ax+b\\\\line\ is\ parallel\ when\ a=-3\\\\
y=-3x+b\ \ \ | substitute\ point \ (-1,-4)\\\\
-4=-3*(-1)+b\\\\
-4=3+b\ \ \ | subtract\ 3\\\\
b=-7\\\\Line\ : \ y=-3x-7
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Which of the following ratios is not equivalent to the ratio 5/6  Explain
uranmaximum [27]
10/12 = 2*5 / 2*6 = 5/6
15/18 = 3*5 /3*6 = 5/6
25/30 = 5*5 /5*6 = 5/6

But what's the 13/14 :(. You can't simplify it to 5/6 or something else.
8 0
3 years ago
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Can you show me how to do this problem 12x=36 <br> make sure to show your work plz
Studentka2010 [4]

Answer: 3

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x = 3

4 0
3 years ago
Find the circumference of the circle.Use 3.14 for pi<br> 14 ft
Ber [7]
<h2>circumference = 87.92ft</h2>

Step-by-step explanation:

radius (r) = 14ft

circumference = 2π×r

= 2 × 3.12 × 14

= 87.92ft

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4 0
3 years ago
Find the exact value of csc 5pi/6
Leona [35]

Answer:

csc 2 (csc \frac{5\pi}{6} = csc 150 = csc 30 = csc 2)

Step-by-step explanation:

csc \frac{5\pi}{6} is in the 2nd Quadrant where only sin, and csc are positive.

csc (\frac{5\pi}{6})=csc (\pi -(\frac{5\pi}{6}))=csc(\frac{5\pi}{6})

but csc \frac{5\pi}{6} = \frac{1}{sin (\pi/6)} = \frac{1}{sin 30} = \frac{1}{1/2} =2

7 0
3 years ago
Help please it's for my math class and an extra boost will be so great
Evgesh-ka [11]
Use the formula for the area of a circle, which is pi*r^2
 
r=2, so pi*2^2=12.56
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:)
4 0
3 years ago
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