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natima [27]
3 years ago
9

Write the point-slope form of the equation of the line that passes through the point (1, 3) and has a slope of 2. Include your w

ork in your final answer. Type your answer in the box provided or use the upload option to submit your solution.
Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0
Y = mx + b, m is the slope and b is the vertical intercept. When given 2 points and the slope, enter the info into the equation, 3 = 2(1) + b and solve for b. 1×2=1. divide two from both sides cancelling out two and dividing 2 from 3. So then b = 3/2. Re-enter the info back into the equation. y = 2x + 3/2. Some assignments may ask you to put into a decimal. Otherwise keep it as a fraction
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A telephone pole were fixed 50m apart.how many poles were there in 26km??​
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Answer:

There are 430 poles in a distance of 26km

3 0
3 years ago
Sarah drives 1 2/3 hours on Monday. She drives 2 1/6 hours on Tuesday. How far does Sarah drive in those two days?​
WINSTONCH [101]

Answer:

3 5/6

Step-by-step explanation:

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6 0
2 years ago
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Find the greatest solution for x+y when x^2+y^2 = 7, x^3+y^3=10
damaskus [11]

Answer:

4

Step-by-step explanation:

set

f(x,y)=x+y\\

constrain:

g(x,y)=x^2+y^2 = 7\\h(x,y)=x^3+y^3=10

Partial derivatives:

f_{x}=1\\f_{y} =1 \\g_{x}=2x \\g_{y}=2y\\h_{x}=3x^2 \\h_{y}=3y^2

Lagrange multiplier:

grad(f)=a*grad(g)+b*grad(h)\\

\left[\begin{array}{ccc}1\\1\end{array}\right]=a\left[\begin{array}{ccc}2x\\2y\end{array}\right]+b\left[\begin{array}{ccc}3x^2\\3y^2\end{array}\right]

4 equations:

1=2ax+3bx^2\\1=2ay+3by^2\\x^2+y^2=7\\x^3+y^3=10

By solving:

a=4/9\\b=-2/27\\x+y=4

Second mathod:

Solve for x^2+y^2 = 7, x^3+y^3=10 first:

x=\frac{1}{2} -\frac{\sqrt{13}}{2} \ or \ y=\frac{1}{2} +\frac{\sqrt{13}}{2} \\x=\frac{1}{2} +\frac{\sqrt{13}}{2} \ or \ y=\frac{1}{2} -\frac{\sqrt{13}}{2} \\x+y=-5\ or\ 1 \or\ 4

The maximum is 4

6 0
3 years ago
-2(4h+6)/-6+h for h=-5
satela [25.4K]

Answer:

I can you GIVE ME BRAINLEIST PLEASE

Step-by-step explanation:

<h2>DOWNLOAD PHOTOMATH</h2>

6 0
2 years ago
How do you complete this One-Step equation?<br>5 1/2 + p = 6
dalvyx [7]

5 1/2 + p = 6

subtract 5 /12 from each side

5 1/2  - 5 1/2+ p = 6 - 5 1/2

p = 6 - 5 1/2

borrow from the 6

p = 5 2/2 - 5 1/2

p = 1/2

8 0
2 years ago
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