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Simora [160]
3 years ago
6

Molly spent 1 hour and 30 minutes swimming 5 laps in the river. If it took her the same time to swim each lap, how long would it

take her to swim 7 laps?
Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0

Answer:

126 minutes or 2 hours and 6 minutes

Step-by-step explanation:

Find how long it took her to swim one lap

1 hour and 30 minutes = 90 minutes

90/5 = 18

This means it took her 18 mins to swim each lap

18 · 7 = 126

It took her 126 minutes/2 hours and 6 minutes to swim 7 laps

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Ok, let's find how much does 1 yard of ribbon cost. Let's divide!

6 / 4 = 1.5

Each yard costs $1.50, so let's multiply that by 101.5 * 10 = 15

Marci will pay $15 for 10 yards of the ribbon.
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3 years ago
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Ann [662]

Answer:

Step-by-step explanation:

y + 4 = -6(x - 7)

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y = -6x + 38

4 0
3 years ago
Help please! I know I'm supposed to calculate how many hours she worked then multiply it by 6.75$ but I cannot get any answers t
MrMuchimi

Marcia started work at 7.32 and finished work at 3.43. In total she worked 8 hours and 11 minutes.


Convert the 11 minutes into decimal form: 

11 minutes / 60 minutes in an hour = 0.18 (rounded)


Multiply her hourly rate by her hours worked:

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3 0
3 years ago
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<img src="https://tex.z-dn.net/?f=%281.345%2A%5Cfrac%7B1%7D%7B24%7D%20%29%5E%7B24%7D" id="TexFormula1" title="(1.345*\frac{1}{24
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.......................

6 0
3 years ago
Someone please help me answer this!!
earnstyle [38]

Answer:

c = 8.4m is the answer.

Step-by-step explanation:

a = 6m

b = 6m

c = ?

According to the Pythagorean theorem,

a² + b² = c²

6² + 6² = c²

36 + 36 = c²

c² = 72

c = 8.4m

∴ The mouse runs 8.4 m from the opposite corners of the room.

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