Answer:
x = 12.
Step-by-step explanation:
If P(5,4),Q(8,10) and R(x,18) are collinear
then the slope of PQ equals the slope of QR
hence:
(10 - 4)/(8 - 5) = (18 - 10)/(x - 8)
6/3= 8/(x - 8)
2 = 8/(x - 8)
multiplying both sides by (x - 8) gives:
2(x - 8) = 8
2x - 16 = 8
2x = 8 + 16 = 24
hence x = 12
Answer:
Y= x + x-2
Step-by-step explanation:
X represents large tshirts
Answer:
4/9 or four out of nine
Step-by-step explanation:
There are nine pencils total, and 4 of them are orange
Answer:
a = 5
Step-by-step explanation:
a +a+4 + 2a-3 = 21
4a +1 =21
4a = 20
a = 5
The formula for area of triangle is -
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So, the area of first triangle =
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Area of second triangle =
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Area of second triangle - Area of first triangle