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patriot [66]
2 years ago
5

What is the sum?

Formula1" title=" \binom{3}{5} + \binom{1}{5} " alt=" \binom{3}{5} + \binom{1}{5} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
tigry1 [53]2 years ago
3 0

Answer:

4/5

Step-by-step explanation:

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Pawan is 10 years older than Arav. 5 years ago one seventh of pawan's age was equal to one fifth of Arav's age. Find their prese
Marat540 [252]

Answer:

Arav is 30 and Pawan is 40

Step-by-step explanation:

We can call Arav's age x and Pawan's age x + 10, therefore we can write the following equation:

1/7((x + 10) - 5) = 1/5(x - 5)

1/7(x + 5) = 1/5(x - 5)

5(x + 5) = 7(x - 5)

5x + 25 = 7x - 35

-2x = -60

x = 30 so x + 10 = 40

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What number is 20 less than 6% of 840
igomit [66]
The answer is 19.496
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3 years ago
Find the equation of the line passing through (4,1) and perpendicular to the line whose equation is 1x-3y-4=0
Verizon [17]

9514 1404 393

Answer:

  3x +y -13 = 0

Step-by-step explanation:

The perpendicular line will have the variable coefficients swapped and one of them negated. The new constant will be appropriate to the given point.

  3(x -4) +1(y -1) = -0

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_____

<em>Additional comment</em>

The given equation is in "general form", so that is the form of the equation we have given as the answer. This form is convenient in that the general form equation for a line through the origin, ax+by=0, is easily translated to make it pass through a point (h, k): a(x -h) +b(y -k) = 0. Eliminating parentheses puts the equation back into general form.

8 0
2 years ago
S 41/50 closer to 9/11 or 10/11 ? Verify your answer.
Tresset [83]
Use ur calculator ..........
5 0
3 years ago
Read 2 more answers
NEED HELP PLEASE.....WILL GIVE 5 STARS!.... It is EASY BUT I DO NOT GET HOW TO DO IT!
zmey [24]
7.
irt = simple Interest we can fill in what we know so  $500 * I * 20 = $250 than we solve for I so $250 / 500 = 0.5 than 0.5 / 20 = 0.025

8. Irt = simple interest  fill it in 850 * I * 10 = $255 and then solve for I 255 / 850 = 0.3 than 0.3 / 10 = 0.03

9. Irt = simple interest 1200 * I * 15 = $720 and than solve for I  so 720 / 1200 = 0.6 and then 0.6 / 15 = 0.04

7 0
3 years ago
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