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inessss [21]
3 years ago
6

What is the radius and diameter of the following circle?

Mathematics
2 answers:
Elenna [48]3 years ago
5 0
Think you forgot mate
siniylev [52]3 years ago
3 0

Answer:

?

Step-by-step explanation:

Where's the circle?

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Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same ro
nydimaria [60]
The key is Esther travelled the same distance - x - in both her morning and evening commute.

45(time she took in the morning, or p) = x
30(time she took in the evening, or q) = x

Therefore 45(p) = 30(q), or divide both sides by 5 and get 9(p) = 6(q). I know you can divide it further, but these numbers are small enough and it's not worth the time.

Since the whole trip took an hour, (p + q) = 60min, and so, p = 60-q.

Therefore 9(60-q) = 6q or 540-9q = 6q. So 540 = 15q, which makes q = 36. If q = 36, then by (p+q)=60, p (the time she took in the morning) must equal 24.

45 miles per hour, her speed in the morning, times (24/60) hours, her time, makes 18 miles travelled in the morning. If you check, 30 miles per hour times (36/60) hours also makes 18 miles in the evening.

<span>Hope that makes a little sense. And I also hope it's right</span>
7 0
3 years ago
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A hippopotamus can run at the speed of about 24.9 miles per hour. At this rate, how far can the hippo run in 30 minutes? Use the
tigry1 [53]
24.9 miles/hour = 24.9/60 miles/minute = .415 miles/minute 

<span>distance = speed * time </span>
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4 0
3 years ago
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Chips suppose a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing.
Artyom0805 [142]
(a) P( fifth one is bad)  = P( first 4 are OK) * P(5th is bad)

= (0.98)^4 * 0.02 =  0.0184   or 1.84%

(b)  this will be (0.98)^10 =  81.70%



4 0
3 years ago
What is the distance between points A and B? (Use only digits 0-9 to write the distance.)
qwelly [4]

Answer:

8

Step-by-step explanation:

A is on the negative side so you count the distanse as -6 -5 -4 so on and then you get to 0 and then its 12345678

3 0
3 years ago
Marc practiced guitar 25 minutes each day in July.In august,he practiced 60 mins per day.Which is the percent increase in Marc’s
monitta

The percent increase from July to August is 140%.

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3 years ago
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