Answer:
The circumference is 44 in.
Step-by-step explanation:
C = 2πr Use this equation to find the circumference
C = 2π(7) Multiply
C = 14π Multiply
C = 43.98 ≈ 44 in
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Answer:
a) 62
b) 31/45
Step-by-step explanation:
a) The table tells you there are 42 males, and 20 more females that study biology.
42 +20 = 62 . . . are male or study biology or both
__
b) Of the total of 90 people, 62 are male or study biology (or both). The probability that any person is in that category is ...
62/90 = 31/45 = P(male or biology)
I used my calculator and got x=1 y=3
solve for y to put them in your calculator
2.1x+4.2y=14.7
y = (14.7 -2.1x)/4.2
−5.7x−1.9y=−11.4
y=(-11.4 +5.7x)/(-1.9)
then using the ploting tool I plotted them and found where they intersected
Step-by-step explanation:
the answer is 94206584 kk
So i guess the question is how much red gravel can they buy?
Red gravel: 3000 pounds
Black gravel: 2000 pounds
x+y=5000
0.80x+0.55y=3500
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