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Shalnov [3]
3 years ago
10

The slope of the lawn and passing through the points (1,3) and (5,13)

Mathematics
1 answer:
Natalija [7]3 years ago
8 0
(13-3)/(5-1)=10/4=5/2
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Find the sum of (1-1/n) + (1-2/n) + (1 - 3/n)....upto n terms
bija089 [108]

Answer:

<em> (n - 1)/2</em>

Step-by-step explanation:

F = (1 - 1/n) + (1 - 2/n) + (1 - 3/n) + ...(1 - n/n)

  = (1 + 1 ... + 1) - (1/n + 2/n + 3/n + ...n/n)

     (there are n terms of 1)

  = n - (1 + 2 + 3 + ... + n)/n

  = n - [n x (n + 1)/2]/n

  = n - [n x (n + 1)]/[2 x n]

  = n - (n+1)/2

  = (2n - n - 1)/2

  = (n - 1)/2

Hope this helps!

4 0
2 years ago
Twenty Percent of the 4000 acres were plowed. how many acres were not plowed
Daniel [21]
20% was, so 100%-20%=80% was not
80%=0.8
0.8*4000=3200 acres was not
5 0
3 years ago
Which system of equations can you use to find the roots of the equation?<br> x3 – 10x = x2 – 6
vivado [14]

\bf \stackrel{y}{x^3-10x}=\stackrel{y}{x^2-6}\implies  \begin{cases} y=x^3-10x\\ y=x^2-6 \end{cases}

3 0
3 years ago
Read 2 more answers
-104=-8(k+8) <br><br> K = ?<br> Solution please if can?
maksim [4K]

Let's solve this question by step by step.

Layout equation.

−104=−8(k+8)

Step 1: Simplify both sides of the equation.

−104=−8(k+8)

−104=(−8)(k)+(−8)(8)(Distribute)

−104=−8k+−64

−104=−8k−64

Step 2: Flip the equation.

−8k−64=−104

Step 3: Add 64 to both sides.

−8k−64+64=−104+64

−8k=−40

Step 4: Divide both sides by -8.

-8k/-8=-40/-8

The answer for this problem is k=5.

5 0
3 years ago
Please  help ill mark brainliest!!
kompoz [17]
If sides are congruent then the angles ACROSS from them are also congruent.
Since WV and VU are congruent, angle U is congruent to angle W.
Set up an equation and solve.
See attachment.
x = 8
Angle w = 63

7 0
3 years ago
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