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xxMikexx [17]
3 years ago
9

Jeffrey biked to the store at 12 mi/hr but took his time on the way home, going 8 mi/hr. If it took him 20 mins to get to the st

ore, how many did it take him to get back?
Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
40 Minutes To Get Back Home
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Find cosx if tanx cscx=2<br><br> A)2<br> B)square root 2<br> C)square root 2/2<br> D)1/2
zhenek [66]
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
↓↓↓↓↓↓↓

3 0
3 years ago
Read 2 more answers
on the last night of scout camp Chris his wife Joe and the 11 other adults sit down for supper along one side of a long rectangu
yawa3891 [41]

Based on the information provided, it follows that there are 1,728 possible seating arrangements.

<h3>How can we find the number of possible arrangements?</h3>

To find the number of arrangements in this problem situation we must take into account the following key factors:

  • Chris only has 1 possible seat.
  • Jo has 2 possible seats.
  • Dave, Alex, and Barb have 3 possible seats.
  • Gareth, Fred, and Eddie have 3 possible seats.
  • There are 4 other adults who do not have a preference in seats but have the possibility of using 4 seats.

According to the above, we must use the factorization of these numbers to find out the number of possibilities we have to seat them.

<h3>What is factoring?</h3>

A factorial function is a mathematical tool that is characterized by using the exclamation mark “!” behind a number. The factorial function is used to express that the number accompanied by the symbol must be multiplied by all positive integers between that number and 1.

In accordance with the above, in the problem situation that we must solve, we must use the factorial function with the possibilities of:

  • Dave, Alex and Barb: 3! = 3 × 2 × 1 = 6
  • Gareth, Fred and Eddie: 3! = 3 × 2 × 1 = 6
  • Other 4 adults: 4! = 4 × 3 × 2 × 1 = 24

Subsequently, to calculate the number of total possibilities of the entire group we must multiply the possibilities of each group and individual as shown below:

  • Number of possibilities = 1 × 2 × 6 × 6 × 24
  • Number of possibilities = 1728

Learn more about the factorial function in: brainly.com/question/16674303

4 0
3 years ago
What is the solution to 3.2x = 6.4?
jeyben [28]
A. X = 2 
what you do is divide each side by the coefficient of x (3.2) to get rid of it on the left, and simplify the right: 2.

6 0
4 years ago
Someone pllss help me
dusya [7]

Answer:

I= 1,600

B= 9,600

Step-by-step explanation:

Interest is 8,000 x 0.04(4%) x 5

when you multiply all three (PRT) you end up with 1,600 as your interest.

then your balance is when you add the original borrowed amount ($8,000) with your interest ($1,600).

8,000+1,600= 9,600

6 0
3 years ago
Read 2 more answers
Does the addition problem show a way to add 27 + 38?
Dmitry [639]

Answer:

a. yes

b. no

c. yes

d. yes

Step-by-step explanation:

For a, 27 + 38 can be broken apart. 27 is broken up by adding smaller numbers (20 + 7 = 27) and the same is done with 38 (30 + 8 = 38), so A and C shows a way to add 27 and 38. In C, the numbers are just put into a different order. B is not a way to add 27 and 38, because the sum is different.

27 + 38 = 65, however 20 + 70 + 38 = 128. The addition problem for D is a way to solve for 27 + 38, because it is broken up differently than A and C. They instead added the 20 and 30 together first, then split up 15 (from 8+7) into 10 and 5. So D is a way to solve, because it gets the same answer as 27 and 38 :D

8 0
4 years ago
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