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2 years ago

The park in springtown has a 2.13 KM hiking trail, how many miles long is the trail?

Mathematics

2 answers:

andrew11 [14]2 years ago

8 0

Answer:

3.427903

Step-by-step explanation:

Ivanshal [37]2 years ago

3 0

Answer:

1.323521 miles

Step-by-step explanation:

To convert km to m, divide the length value by 1.609.

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Find the sum or difference. (3 – 7m) + 2(3.5m +1)

ad-work [718]

Answer: = 5

Step-by-step explanation:

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2 years ago

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Enter the next 3 terms from the geometric sequence below. 5, 10, 20, …

Artyom0805 [142]

Answer:

5, 10, 20, 40, 80, 160

Step-by-step explanation:

5-10 is double 5. 10-20 is double 10 meaning you double each time

Double 20 is 40

Double 40 is 80

Double 80 is 160

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2 years ago

75 of 90 is what percent?

N76 [4]

83% cause you just divide 75 by 90 X's 100

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3 years ago

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Need help please answering this problem!!

Paul [167]

NR = NS + SR = 18 + 45 = 63 m

If NPS~NQR then we can find QR:
$\frac{PS}{QR}= \frac{NS}{NR} \ \to \ \frac{7.2}{QR}= \frac{18}{63} \ \to \ \\ QR= \frac{63*7.2}{18}= 25.2 \ m$

$\text{Area}_{PQRS} = \text{Area}_{NQR}-\text{Area}_{NPS} \\ \\ \text{Area}_{NQR}= \frac{NR*QR}{2} = \frac{63*25.2}{2}= 793.8 \ m^2 \\ \\ \text{Area}_{NPS}= \frac{NS*PS}{2} = \frac{18*7.2}{2}= 64.8 \ m^2 \\ \\ \text{Area}_{PQRS} =793.8 - 64.8 = 729 \ m^2$

Answer: C.

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2 years ago

Find the sum of the given series: (1) + (1+2) + (1+2+3) + ... + (1+2+3+...+10)

adoni [48]

Answer:

220

Step-by-step explanation:

we want to figure out Sum of the following series:

$\rm(1) + (1+2) + (1+2+3) + { \dots}+ (1+2+3+{\dots}+10)$

notice that, the nth term is equal to the sum of all the previous and the nth term , therefore the nth term of the sequence is 10 . The sum of the sequence is equal to

$\displaystyle S _{n} = \frac{n(n + 1)(n + 2)}{6}$