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sp2606 [1]
3 years ago
12

Among the licensed drivers in the same age group, what is the probability that

Mathematics
1 answer:
dexar [7]3 years ago
8 0

Answer:

the answer is a

Step-by-step explanation:

17246/3800

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Steve had 7 more than twice as many quarters as dimes. if the total value of her coins was $10.15, how many of each kind of coin
NemiM [27]
X=quarters, y=dimes
7+2x=y
0.25x+0.1y=10.15
we substitute the first equation into the second equation
0.25x+0.1(7+2x)=10.15
0.25x+0.7+0.2x=10.15
0.45x+0.7-0.7=10.15-0.7
0.45x=9.45
0.45x/0.45=9.45/0.45
x=21 quarters
7+2x=y, x=21
7+2(21)=y
7+42=y
y=49 dimes
check: 0.25x+0.1y=10.15 when x=21, y=49
21(0.25)=5.25 in quarters
49(0.1)=4.90 in dimes 
5.25+4.90=10.15
3 0
3 years ago
7.6375 correct to 2 d.p.
disa [49]
7.6375 =

1 Decimal Place = 7.6
<span>2 Decimal Place = 7.64
</span><span>3 Decimal Place = 7.638
</span><span>4 Decimal Place = 7.6375
</span>
So the answer is 7.64   .
The 3 rounds up because 7 is bigger than 5... 

5 0
3 years ago
In the circle above, the length of AO is 1, and x = 88º. What is the area of sector AOB?
max2010maxim [7]
The complete question in the attached figure

we know that
[area of a circle]=pi*r²
for r=1 unit
[area of a circle]=pi*1²---------> pi units²

if the area a full circle of 360°--------------> is pi
the area of sector 88°------------------------> X
X=88*pi/360--------> 0.77 units²

the answer is
<span> the area of sector AOB is 0.77 units</span>²

3 0
3 years ago
Read 2 more answers
Communicate Due to global climate changes, more hurricanes are expected to hit the Gulf Coast. What might happen to gas and oil
nasty-shy [4]
Oil and gas production would most likely stop because it is very dangerous to be outside in a hurricane.
8 0
2 years ago
Mr. Kaplan bought 11 tickets to the circus and spent $50. He bought child tickets for $4 each and bought adult tickets for $7 ea
NNADVOKAT [17]
Adult - 2 tickets . child- 9 tickets.
7 0
3 years ago
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