Area of a triangle: (1/2)bh, where b = base and h = height
(1/2) x 4 x (11/2)
= (4/2) x (11/2)
= 2 x (11/2)
= 11
Equations:
m = k + 5
k = s + 2
m + k + s = 30
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Substitute for "m" and for "s"::
k+5 + k + k-2 = 30
3k +3 = 30
3k = 27
Kirsty has 9 marbles
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Mina has 9+5 = 14 marbles
Seb has 9-2 = 7 marbles
Answer: 3y
Step-by-step explanation: hope this helps :)
Answer:
B
Step-by-step explanation:
(c - 2d) (3c - 2d) = c*(3c -2d) - 2d(3c - 2d)
Answer:
70
Step-by-step explanation:
"75% more customers than last week" means (100% + 75%) of 40, or
1.75(40 customers) = 70 customers this week
