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EastWind [94]
3 years ago
7

What are three ratios equivalent to 9/2

Mathematics
1 answer:
Scilla [17]3 years ago
6 0

Answer:

18 : 427 : 636

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Step-by-step explanation:


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34. Is this polygon it is convex or concave.
kotykmax [81]

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Convex, since none of the angles are greater than 180°

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What’s a number that multiplies to four but adds to three
d1i1m1o1n [39]

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The answer is clearly 4 and 1. If we change the sign on 1 (making it -1), then you have the answer to your original question. 4 and -1 multiply to -4 and add up to 3.

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A straight line passes through the points P (1, 2) and Q (5, - 14). What is the gradient of the the line PQ?
ddd [48]

Answer:

D

Step-by-step explanation:

gradient= change in y

__________

change in x

m= y2_ y1

______

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5 0
2 years ago
What polynomial should be subtracted from the polynomial y^2-5y+1 to get the difference equivalent to: 5
yuradex [85]

Answer:

y^2-5y-4

Step-by-step explanation:

Let y^2-5y+1 =A

Required polynomial=B

A-B=5

B=A-5

B=y^2-5y+1 -5

B=y^2-5y-4

Hence,Required polynomial=y^2-5y-4

8 0
3 years ago
One positive integer is 5 less than twice another. The sum of their squares is 725. Find the integers.
finlep [7]
Let the numbers are a and b; a - 5 = 2b, and -------------- (1)a2 + b2 = 250 ----------------(2) rewriting and squaring of (1) is given as; a2 = 4b2 + 20b + 25 -------- (3) substituting (3) into (2) (4b2 + 20b + 25) + b2 = 250, thus 5b2 + 20b - 225 = 0 by dividing both sides by 5 b2 + 4b - 45 = 0 solving the quadratic for b, we will get b = -9 or 5, substituting these for b in (1), we will get a asa = -13 or 15 However, if a and b must be positive integer, then a = 15 and b = 5 is the answer
4 0
3 years ago
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