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Solnce55 [7]
3 years ago
12

Mr Tan is 53 years old and his granddaughter is 5 years old in how many years will he be 4 times as old as his granddaughter

Mathematics
1 answer:
quester [9]3 years ago
8 0
It will me in 20 years that he'll be 4x 
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A map uses a scale of 0.5 cm = 75 km<br> 50 km=__cm<br> 280 km =__cm<br> 142.5 km=__cm
SpyIntel [72]

Answer:

50km = 0.33cm

280km = 1.87cm

142.5km = 0.95cm

Step-by-step explanation:

Ratio is 0.5/75 = 1/150 cm per km

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3 years ago
Work out the circumference of this circle.
tigry1 [53]
C=pid
Since d=9m and pi=3.142, C=3.142*9m=28.278
Rounded to 1 decimal point =28.3
3 0
3 years ago
When completely factored x²-x-12 is equivalent to which of the following
QveST [7]

Answer:

→{x}^{2}  - x - 12 \\  =  {x}^{2} - 4x + 3x - 12 \\  = x(x - 4) + 3(x - 4) \\  = \boxed{ (x - 4)(x + 3)}✓

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4 0
3 years ago
What is the arc measure of AB on circle P in degrees?<br> WA<br> 286 PM
I am Lyosha [343]

Answer: 74 Degrees

Step-by-step explanation: We know that a circle is 360 degrees, so take 360 minus measure of AB, which we know is 286, so we get 74 degrees. (ONLY if ABC from a circle.)

7 0
3 years ago
Is this correct? I've done the answer just need to know if it's right?
kotegsom [21]
Yes your answer is correct
6 0
3 years ago
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