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dusya [7]
3 years ago
10

When Lucas goes to school, he passes two traffic lights. The probability of showing red is 70% and 80%. How likely is it that at

least one of them shows green on the way to school?
Mathematics
1 answer:
Flauer [41]3 years ago
8 0

Answer:

0.44

Step-by-step explanation:

the probability the first one she's green(0.3) plus the probability the second shows green(0.2) minus the probability both occur(0.06) equals 0.44.

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What is the total surface are when the radius is 2 and the height is 9.5
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Answer:

Total surface area = 73.56506

Step-by-step explanation:

I do not know what shape you are trying to find the total surface area for, but I hope this is correct & helpful.

8 0
2 years ago
When a volcano​ erupts, the height of the peak is reduced and the upper portion is removed. The height of a volcano after it eru
ANTONII [103]

Answer:

9670 feet

Step-by-step explanation:

The height given (8219.5 ft) is 85% OF ORIGINAL, hence original is much higher. But how do we figure this out?

we translate word problem to equation.

8219.5 IS 85% of TOTAL

Firstly, 85% = 85/100 = 0.85

Remember, is means =

of means multiplication

So we have:

8219.5 = 0.85 * Total

Hence, total = [let total be 7]

8219.5 = 0.85 * t

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4 0
3 years ago
PLEASE HELP!!!!!!!!!!! I SUCK AT MATH AND I CAN'T FIGURE THIS OUT!
nikdorinn [45]

Answer:

$25.97

Step-by-step explanation:

2.50+8.75+3+10.25 = 24.50    This is the items be bought and now needs to pay 6% tax.

24.50/100*106 = 25.97

8 0
3 years ago
Read 2 more answers
Help! what is the right answer?​
egoroff_w [7]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
Can you help me please?
noname [10]

Answer:

the answer is 2.620

Step-by-step explanation:

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8 0
3 years ago
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