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kumpel [21]
3 years ago
14

Billy runs a miles in seven minutes and 30 seconds. For every mile Billy runs, he adds 30 seconds to his mile time. If Billy run

s EIGHT miles, how many minutes will it take him?
Mathematics
2 answers:
Whitepunk [10]3 years ago
6 0

Answer:

After the last lap it will take him 11 min to complete the lap and over all his time was 1 hour 14 min.

Step-by-step explanation:

Lap 1: 7:30

Lap 2: 8:00

Lap 3: 8:30

Lap 4: 9:00

Lap 5: 9:30

Lap 6: 10:00

Lap 7: 10:30

Lap 8: 11:00

= 74:00 = 1 hour 14 min

PLZ THANK AND 5 STAR AND GIVE BRAINLIEST :)

Tresset [83]3 years ago
5 0

Answer I don't know the answer but I just want to say I hope you do well!

Step-by-step explanation:

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Which figure has two pairs of congruent sides and more than two lines of symmetry?
Advocard [28]
C. trapezoid

a trapezoid's legs are congruent, while the bases are symmetrical

a square is the answer you would want, because it is always true, while a trapezoid is only "sometimes" true

thanks Kaikers :D


5 0
3 years ago
Read 2 more answers
In a particular country, there are two types of currency: Kabuls and Carumpts. 8 Kabuls and 2 Carumpts are worth $61.70. 3 Kabul
Misha Larkins [42]

Answer:

Kabuls = 7.5

Carumpts= 0.85

Step-by-step explanation:

Let x represent the price of kabuls

Let y represent the price of carumpts

8x + 2y= 61.70......equation 1

3x + 10y= 31.........equation 2

Multiply equation 1 by 3 and equation 2 by 8

24x + 6y= 185.1

24x + 80y= 248

-74y = -62.9

y= 62.9/74

y= 0.85

Substitute 0.85 for y in equation 1

8x + 2(0.85) = 61.70

8x + 1.7= 61.70

8x = 61.70-1.7

8x = 60

x= 60/8

x= 7.5

Hence the dollar value for kabuls is 7.5 and carumpts is 0.85

3 0
2 years ago
Solve this quadratic equation by completing the square x^2+8x=10
AURORKA [14]

Answer:

1.1 ,-9.1

Step-by-step explanation:

6 0
3 years ago
Solve 2x^4/7 x 3/2x
Paha777 [63]
The answer is =3x^6/7
6 0
3 years ago
What is the value of f(x) = 2/3 x + 1/4 when x = 6?
11Alexandr11 [23.1K]

Answer:

4 1/4

Step-by-step explanation:

f(x) = 2/3(6) + 1/4

f(x) = 4 + 1/4

f(x) = 4 1/4(4.25)

4 0
3 years ago
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