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nataly862011 [7]
2 years ago
8

Pls help I can’t solve this

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
8 0

Answer:

61.6 - 31.4 - 8 - 138. So, A to F, F to J, J to K, and K to Escape

Step-by-step explanation:

To find circumference:

C=2πr

To find Area:

A=πr2

:)

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The faster you drive the less time it takes to reach your destination (a driver's speed is inversely proportional to the drive t
ziro4ka [17]

Answer:

The time the trip takes Kelly is approximately 34 minutes

Step-by-step explanation:

The topic examined by the question is the relationship between speed, distance traveled, and time which is presented here as follows;

Speed, \ S = \dfrac{Distance \ travelled \ 'd'}{Time \ taken \ 't'}

The given parameters of the journey are;

The time it takes Mike to travel from point 'a' to point 'b' = 45 minutes

The speed with which Mike travels = 60 miles an hour

The speed with which Kelly travels the same trip = 80 miles an hour

Let 'd' represent the distance from point 'a' to point 'b', and let 't' represent the time the trip takes Kelly

For Mike, we have;

S = d/t

∴ d = S × t

Where;

S = 60 miles per hour

t = 45 minutes = 0.75 hour

d = 60 miles/hour × 0.75 hour = 45 miles

The distance from point 'a' to point 'b' = d = 45 miles

Similarly, from S = d/t, we have for Kelly the time 't' given as follows;

t = d/S

Where;

S = 80 miles/hour

d = 45 miles

∴ t = 45 miles/(80 miles/hour) = 9/16 hour = 9/16 hour × 60 min/hour = 33.75 minutes

The time the trip takes Kelly = 33.75 minutes ≈ 34 minutes.

3 0
2 years ago
Find the value of b.<br> A 57<br> B 50 <br> C 123<br> D 61.5
pychu [463]

Answer: The answer is 50

Step-by-step explanation:

I did the test

4 0
2 years ago
Mr. Capildeo's salary sfter a 5% increase was $6255 (a) calculage his salary if a 3% incrwae had been given instead (b) Calculat
n200080 [17]

Answer:

Original Salary: 5,957.14

Increase in 3%: 6,135.85

Step-by-step explanation:

So when something increases by x%, the new value is (100+x)% the original value. So 6255, is 105% the original value. This means to find the original value, we have to find the number that has 6255 as 105% of it's value. Whenever you try to find x% of a number, you multiply it by the decimal value of the percentage, which is found by dividing by 100. So to find x%, you do: o*\frac{x}{100} where o = original value, x=percent. In this case the percent is 105%, which when divided by 100 is 1.05. So this gives us the equation: o*1.05=6255 \implies o = \frac{6255}{1.05} = 5,957.14. This is his original salary. You need to do this process, do not make the mistake of subtracting 5% from 6255. This is because 5% of 6255 does not equal the 5% of the original value. 5% of 6255 should be greater than 5% of the original value, since the new value is an increase of 5%. So since we have his original salary, we can calculate the salary increase had it been 3%. to do this we multiply by 1.03 (103% divided by 100). This gives us the equation: 5,957.14*1.03=6,135.85

5 0
1 year ago
Abby has a begging of $720 in her checking acount. she rites a checks for $250 and $350 respetivly and diposite $500. what is he
Andreas93 [3]

720 - 350 - 250 = 120
120 + 500 = 620
her new total is $620
3 0
3 years ago
Suppose you are doing a 11,632 piece puzzle. You have already placed 1,949 pieces. You have an average rate of 12 pieces per min
kondaur [170]

Answer:

2,213

Step-by-step explanation:

12 × 22 = 264

1,949 + 264 = 2,213

Answer: In total, you have placed 2,213 pieces.

6 0
3 years ago
Read 2 more answers
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