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9966 [12]
2 years ago
12

Determine if y=5/4x +1 and y=5/4x-7 are parallel, perpendicular, or neither

Mathematics
1 answer:
GalinKa [24]2 years ago
5 0

Answer:

they are parallel

Step-by-step explanation:

they have the same slope

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If you answer this you're HOT!!!!!
belka [17]

Answer:

Yes, 1:3.

Step-by-step explanation:

Each of the numbers on figure 2 are 3 times the number on figure 1.

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3 years ago
How do you solve sin (5pi/3) without a calculator?
Savatey [412]

very simple, we use the formula sin(a+b)=sinacosb + sinbcosa and sin(20)=2sinacosa

5pi = 2pi/3+3pi/3,

First, we use sin(a+b)=sinacosb + sinbcosa

sin(5pi/3)=sin(2pi/3+3pi/3)= sin(2pi/3+pi)= sin(2pi/3)cos(pi) +sin(pi)cos(2pi/3)

but we know that sin(pi)= 0, and cos (pi) = -1, so sin(5pi/3)= - sin(2pi/3)

now, use sin(2a)=2sinacosa, sin(5pi/3)= - sin(2pi/3)= -2sin(pi/3)cos(pi/3)

sin<span>(5pi/3)=  -2sin(pi/3)cos(pi/3)</span>

<span>sin(pi/3)= 0.86, cos(pi/3)=0.5, finally we have   </span>sin<span>(5pi/3)=  -0.86 x 0.5= -0.43</span>

5 0
3 years ago
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A linear function has a slope of 8/3 and passes through the point (0,5). What is the equation of the line?
MArishka [77]

This problem already gave us the slope and y-intercept, so all that's left to do is plug those two values into slope-intercept form.

Slope-Intercept Form: y = mx + b

---m is the slope

---b is the y-intercept

y = 8/3x + 5

Hope this helps!! :)

3 0
2 years ago
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ludmilkaskok [199]

Answer: travis can afford the compact car but not the coupe



Step-by-step explanation:


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Area of 4, 13, and 12
SCORPION-xisa [38]

Answer:

area =4*13*12=624

Therefore the area is 626 units square

7 0
2 years ago
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