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Norma-Jean [14]
3 years ago
10

F the radius of a flying disc is 7.6 centimeters, what is the approximate area of the disc?

Mathematics
1 answer:
hoa [83]3 years ago
8 0

Answer:

3.14x7.6=23.864 because raidus is the disctance around  one circle

Step-by-step explanation:

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A bus covers a distance of 90km at a uniform speed. Had the speed been 15km/hour it would have taken 30 minutes less for the jou
Brrunno [24]

Answer:

Step-by-step explanation

Let's say d = distance, r = speed and t = time

We know the distance formula is :

distance = speed x time

d = r multiplied by t

d = rt

If the speed is 15km/hr, the time would be 30 minutes shorter.

Since d = rt,

90 = 15t

t = 6,

This means the time taken for the bus to complete the journey at 15km/hr would be 6hrs.

Originally though, the journey takes 30 minutes longer.

So we can say t = 6.5 hrs , and we know d = 90

Now we use the distance formula:

d = rt, since we want to find the original speed, we want to find r.

Speed = distance/time

r = d/t

r = 90/6.5

r = 180/13

Therefore the original speed is 180/13 km/hr

4 0
3 years ago
Find the missing symbol: 1/6 ? 1/2<br>&lt;<br>&gt;<br>=<br>please help​
Amanda [17]

Answer:

1/6 < 1/2

Step-by-step explanation:

The larger the denominator, the smaller that fraction would be. Both of the numerators are equal, so we don't have to worry about that. Since 6 is larger than 2, we know that 1/2 is larger than 1/6. hope I helped:))

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2 years ago
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Two hundred people attended the history museum exhibit on Monday. Twenty-five of the people who attended the exhibit were survey
galben [10]

Answer:

96

Step-by-step explanation:

Total number of people attending the history museum is 200

Surveyed people are 25

Out of the 25, 12 people said yes

Therefore; the fraction which said yes = 12/25

To find the total number of people expected to say yes out of those that attended the history museum;

Fraction of the sampled that said yes × total number of people that attended.

= 12/25 × 200

=  96

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2 years ago
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Masja [62]
Answer is D if you subtract the two numbers 
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3 years ago
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