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Solnce55 [7]
3 years ago
5

bob is twice as old as alice at the moment in 4 years time their total age they will be 71 what is alice's age now?

Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0

Answer:

Alice is 34

Step-by-step explanation:

71 - 4 = 68

68 ÷ 2 = 34

Alice is 34 :)

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HELP ME PLZ
GarryVolchara [31]

Answer:

(-1,3)

Step-by-step explanation:

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<h3>Calculations</h3>

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5 0
2 years ago
Line h contains the points (3,0) and (0,4). which point lies on a line that is perpendicular to line h and passes through point
Iteru [2.4K]
(3,0)(0,4)
slope = (4 - 0) / (0 - 3) = -4/3
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y = mx + b
slope(m) = 3/4
(-6,-5)....x = -6 and y = -5
now sub into the formula and find b, the y int
-5 = 3/4(-6) + b
-5 = -18/4 + b
-5 + 18/4 = b
-20/4 + 18/4 = b
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so ur perpendicular line is : y = 3/4x - 2/4....or 3x - 4y = 2

and ur point (6,4) lies on the perpendicular line <===


6 0
3 years ago
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