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Goryan [66]
2 years ago
5

At an intersection, the red light times are normally distributed with a mean time of 3 minutes and a standard deviation of 0.25

minutes. Approximately what percent of red lights last between 2.5 and 3.5 minutes? (2 points)
Mathematics
1 answer:
VladimirAG [237]2 years ago
3 0

Answer:

95.4%

Step-by-step explanation:

Z(low)=-2 0.022750132

Z(upper)=2 0.977249868

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UkoKoshka [18]

Answer:

7.04*4=x

x/3=how much the tickets cost

Step-by-step explanation:

If each of the four friends pays $7.04, the equation would be set up like this: 7.04*4=28.16. This means the total cost for tickets is 28.16. If the total cost for three tickets is 28.16, just divide the total cost by how many tickets were purchased. 28.16/3=9.39. This means one ticket cost 9.39.

4 0
2 years ago
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The local high school is hosting an ice cream social for new students. They record the ice cream choices of the students through
Step2247 [10]
Apex Students Answer is 3/7
7 0
3 years ago
Write an absolute value equation that satisfies the following condition.
lawyer [7]

Answer:

x=-17.......................

Step-by-step explanation:

x+17=0

3 0
3 years ago
Find each function value 1. f(2) if f(x) = x + 4
nevsk [136]

Answer:

The function value would be 6

Step-by-step explanation:

If f(2) then....

f(x) = x + 4

f(2) = 2 + 4

f(2) = 6

5 0
3 years ago
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25 POINTS I WILL GIVE BRAINLIEST
Nutka1998 [239]

Answer:

$10.01

where x = 4.1/10 x=14.11

Step-by-step explanation:

-7x^2 + 32x + 240

-7x^2 +32x

-49x+32 +240

240/17x = 17/240

240/49x = 4 9/10

          x = 14.11 - 4. 10 9/10

          x = -4.01

rounded to 2dp

x = 14.11

x = -4.01

Tacos should be priced at $10.01

5 0
3 years ago
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