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myrzilka [38]
2 years ago
9

19. A(-2,5), B(4, 9), C(8, 3); BC

Mathematics
1 answer:
charle [14.2K]2 years ago
3 0
The coordinates of the vertical of a triangle is B) 4,9
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. Find their present ages. 6 years ago a man's age was six times the age of his son. 4 years hence, thrice his age will be equal
ddd [48]

<u>The present age of the man is 36 years and his son is 11 years.</u>

Answer:

Solution given:

let the age of man be x.

and his son be y.

By question

x-6=6(y-6)

x=6y-36+6

x=6y-30. ......(1)

and

3(x+4)=8(y+4)

3x+12=8y+32

3x=8y+32-12

3x=8y+20. ...(2)

substituting value of x in equation 2 ,we get

3(6y-30)=8y+20

18y-90=8y+20

18y-8y=90+20

10y=110

y=110/10

y=11 years

again substituting value of y in equation 1 we get

x=6*11-30

x=66-30

x=36 years

5 0
1 year ago
Factor by grouping 20p³+15p²+24p+18​
ivolga24 [154]
(4p +3)(5p2 + 6) is your answer
7 0
3 years ago
During a movie, Tanvi ate 4/5 of a handful of snack mix, and Wyatt ate 2/5 of a handful. How much more did Tanvi eat?
skelet666 [1.2K]
2/5 more i believe!
basically just subtract 4/5 and 2/5 and you get 2/5
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4 0
2 years ago
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Q: An experiment was conducted to study the effect of increasing the dosage of a certain barbiturate on sleeping
aleksklad [387]

Answer:

Step-by-step explanation:

5 0
2 years ago
217x + 99 = 25 what is the answer
EleoNora [17]

217x+99=25 217x=25-99 217x= -74 X=-74/217

4 0
3 years ago
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