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3 years ago

What is the slope, and what is the y-intercept of the line?

1 answer:

4 0

$General\ equation\ for\ line\ in\ slope\ intercept\ form:
\\\\y=ax+b\\
 a-slope\\ 
b-intercept\\\\ 
y=\frac{5}{4}x+9\\\\
slope=\frac{5}{4}\\\\intercept=9$

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Alenkasestr [34]

Answer:

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Step-by-step explanation:

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2 years ago

Y= 16t (squared) +120 what is t

Zina [86]

Answer:

Step-by-step explanation:

hello :

16t²+120 = y

16t² = y -120 so : t² = (y-120)/16

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3 years ago

Three more than twice a number r

sukhopar [10]

Answer:

2r + 3

Step-by-step explanation:

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3 years ago

Solve x2 + 1/2x +1/16=4/9

kolezko [41]

Answer:

x = 0.417 or x = -0.917

Step-by-step explanation:

We are given the following expression and we are to solve it for the variable x:

$x ^2 + \frac { 1 } { 2 } x + \frac { 1 } { 1 6 } = \frac { 4 } { 9 }$

We will find the least common multiple of 2. 6 and 9:

$x^2 \times 144 +\frac{1}{2}x \times 144 +\frac{1}{16} \times 144 = \frac{4}{9} \times 144$

Simplifying it to get:

$144x^2+72x+9=64$

$144x^2+72x+9-64=0$

$144x^2+72x-55=0$

Using the quadratic formula to solve for x:

$x=\frac{-b \pm\sqrt{b^2-4ac} }{2a}$

$x=\frac{-72 \pm\sqrt{72^2-4(144)(-55)} }{2a}$

$x=\frac{5}{12}$ or $0.417$

$x=-\frac{11}{12}$ or $-0.917$

3 0

3 years ago

Solve for r r=c/2π c=15

givi [52]

In getting the value of R in the formula of the circumference that you give where as the circumference is equals to 15, the derived formula is R=C/2pi and the answer would be that R is equals to 2.39. I hope you are satisfied with my answer and feel free to ask for more if you have more questions and further clarifications

4 0

3 years ago