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Zepler [3.9K]
1 year ago
10

Justin traveled 70 miles from Boston to Hyannis in 1 hr and 45 minutes. He then traveled 10 more miles from Hyannis to Dennispor

t in 30 minutes. What was Justin's average speed on his way from Hyannis to Dennisport, and what was Justin's average speed on his trip from Boston to Dennisport?
Mathematics
1 answer:
Veseljchak [2.6K]1 year ago
4 0

Answer:

40 mph first one

Step-by-step explanation:

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horrorfan [7]

71-5= 66

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1 year ago
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Find the volume of a pyramid with a square base, where the perimeter of the base is 5.1 in 5.1 in and the height of the pyramid
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Step-by-step explanation:

PARA ENCONTRAR CUÁNTO MIDE CAD LADO SE DIVIDE EL PERÍMETRO

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<em>r</em> = 2.55 in

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Juan builds this pedestal for a trophy. What is the volume of the pedestal? Enter your answer in the box. in³ Three-dimensional
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1 year ago
josh is 6 years older than 4 times Kim's age. The sum of their ages is less than 31. what is the oldest Kim could be? show all y
Mice21 [21]

Answer:

4 years old.

Step-by-step explanation:

Lets say that Josh's age is j and Kim's age is k. As Josh is 6 years older than 4 times Kim's age, we can write this as an equation:

j = 4k + 6

This is, John's age is equal to four times Kim's plus 6 years.

We then know that, when summed their ages is less than 31, so:

k + j < 31

Replace John's age by our first equation:

k + 4k + 6 < 31

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5k + 6 - 6 < 31 - 6

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Dividing both sides by 5:

5k/5 < 25/5

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So, Kim's age MUST be less than 5.

If we talk about discrete values, this is 1, 2, 3, 4, 5, 6...., we will say than the oldest Kim could be is 4. If Kim is 5 years old, the sum of ages is 31 and we need it ti be LESS than 31. (we are not considering fractional numbers as 4.5 years old).

So, Kim can be, at maximum, 4 years old.

7 0
1 year ago
Two identical decks of 52 cards are mixed together, yielding a stack of 104 cards. How many different ways are there to order th
kumpel [21]

Answer:

here the order will be 104! =1.029e^{166}

Step-by-step explanation:

since the cards are to arranged in  no particular order that is why we used combination to find the result.

Combination can simply be explained as the method of selecting items from a collection of items where the order of the selections does not matter.

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