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EastWind [94]
3 years ago
11

8. On a trip, a student drove 40 miles per hour for 2 hours and then drove 30 miles per hour for 3

Mathematics
2 answers:
skad [1K]3 years ago
8 0

Answer:

34

Step-by-step explanation:

MrRa [10]3 years ago
3 0
I have been trying but i am pretty sure it is 36 i think
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Find the probability that in a family of 6 children there will be at least 2 boys​
artcher [175]

Answer:

25%

Step-by-step explanation:

Assuming that each child can only be a boy or a girl, then each child will have a probability of 0.5 or 50% of being either gender. Therefore, since we need to find the probability of at least 2 being boys then we simply need to multiply this probability twice.

0.50 * 0.50 = 0.25 or 25%

Using this data we can say that there is a 25% probability of there being at least 2 boys in the family.

8 0
3 years ago
The distance Train A travels is represented by y=70x, where y is the distance in kilometers and x is the time in hours. What is
s344n2d4d5 [400]

Answer:

the unit rate is 70 miles per 1 hour

Step-by-step explanation:

7 0
2 years ago
1. a type of bamboo holds a Guinness world record for the fastest growing plant.is can grow 91cm a day. how fast in inches per h
nikdorinn [45]

1-

Given length is 91 cm

1 cm = 0.3937 inch

so, 91 cm = 91* 0.3937 = 35.826 inches

1 day = 24 hours

In 24 hours the bamboo grows = 35.826 inches

In one hour it will grow = \frac{35.826}{24}

= 1.492 inches per hour. Hence the bamboo grows 1.492 inches per hour.


2-

We have to convert hours and seconds in minutes.

1 hour = 60 minutes

so 10 hours = 60 * 10 = 600 minutes.

60 seconds = 1 minute

so 24 seconds = \frac{24}{60} = 0.4 minutes.

Now we have been given the total time as 10 hours, 39 minutes and 24 seconds

So adding all values in minutes, we get

600 + 39 + 0.4 = 639.4 minutes

So Saturn takes 639.4 minutes to complete one rotation

3-

Given equation is 0.4(30h)+30h

0.4(30h) represents the amount of tax Kimberly has to pay.





8 0
3 years ago
What is greater than 40 but less than 20
Paladinen [302]
I've already been complemented twice on my previous answer, but then I discovered that I mis-read the question.  My entire original answer was wrong, and I have to delete it.

I don't believe that any number can satisfy both of those conditions.
I'll say the question has no answer.
3 0
3 years ago
Twelve diminished by six times a number
Vilka [71]

<span>Twelve diminished by six times a number</span>

<span> </span>

<span>12 - 6x </span>

3 0
3 years ago
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