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Vlada [557]
3 years ago
15

How many groups of 15 minutes are there in 1 3/4 hours​

Mathematics
1 answer:
gulaghasi [49]3 years ago
8 0

Answer:

7 groups

Step-by-step explanation:

1 hour = 60 minutes

3/4 of an hour = 3/4(60) = 45 minutes

therefore, 1 3/4 hours is 105 minutes

105 divided by 15 is 7

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3 years ago
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Lisa wrote the expression (3x + 6x) - 2(x + 1) + 5. She simplified the expression using the following steps:
Ivanshal [37]

Answer:

Step 1. Should be 3(x +2x) -2(x +1) +5 . . .

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Step-by-step explanation:

Lisa apparently failed to realize that both terms inside the first set of parentheses have 3x as a factor. They are like terms, so could be combined directly. If Lisa really wants to factor out 3 or 3x, she could do so and then combine the remaining factors at another step.

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3 years ago
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What is the median for this set of numbers 10,9,23,68,70,4,12,4​
vesna_86 [32]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
If an equation has one solution, what will the variable terms be<br>a. the same<br>b. different ​
Alik [6]

Answer:

If an equation has one solution, what will the variable terms be

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8 0
2 years ago
chelsea takes the bus to school,but she walks home. the bus travels to the school at an average speed of 45 miles per hour. whil
jekas [21]
For this case, the first thing you should know is:
 d: v * t
 Where,
 d: distance
 v: speed
 t: time
 To go to school by bus we have:
 d = 45 * t
 To return from school we have:
 d = 2.5 * (1-t)
 how the distance is the same:45 * t = 2.5 * (1-t)
 Answer:
 the equation that will help find the time it takes chelsea to get to school on the bus is:
 45 * t = 2.5 * (1-t)
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4 0
3 years ago
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