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Komok [63]
2 years ago
11

Samuel was preparing for the triathlon. He did 3 activities every morning: Ran for 30 minutes, covering 4.5 miles. Swam for 20 m

inutes, covering 2/3 mi. biked for 45 min, covering 9 miles. What was Samuel's average speed during his morning training?
Mathematics
2 answers:
alex41 [277]2 years ago
4 0

Answer:

for running his avarage was 9 miles an hour

for swimming his speed was 2 miles an hour

for biking his avarage was 12 miles an hour

this means if we added all of this it would be 23/3 hours and 23/3 simplified into a decimal is 7.6 so his avarage time was 7.6 miles per hour

Brrunno [24]2 years ago
4 0

Answer:

7.6

Step-by-step explanation:

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Answer:

a

Step-by-step explanation:

4 0
2 years ago
Pls answer 2 people or more
fredd [130]
I believe it’s B . Not 100 percent sure but yeah
6 0
2 years ago
Match each function formula with the corresponding transformation of the parent function y = (x - 1)2 1. y = - (x - 1)2 Reflecte
lawyer [7]

Answer:

  1. y = -(x-1)² . . . . reflected over the x-axis
  2. y = (x-1)² +1 . . . . translated up by 1 unit
  3. y = (x+1)² . . . . reflected over the y-axis
  4. y = (x-2)² . . . . translated right by 1 unit
  5. y = (x-1)² -3 . . . . translated down by 3 units
  6. y = (x+3)² . . . . translated left by 4 units

Step-by-step explanation:

Since you have studied transformations, you are familiar with the effect of different modifications of the parent function:

  • f(x-a) . . . translates right by "a" units
  • f(x) +a . . . translates up by "a" units
  • a·f(x) . . . vertically scales by a factor of "a". When a < 0, reflects across the x-axis
  • f(ax) . . . horizontally compresses by a factor of "a". When a < 0, reflects across the y-axis.

Note that in the given list of transformed functions, there is one that is (x+1)². This is equivalent to both f(x+2) and to f(-x). The latter is a little harder to see, until we realize that (-x-1)² = (x+1)². That is, this transformed function can be considered to be either a translation of (x-1)² left by 2 units, or a reflection over the y-axis.

8 0
3 years ago
In n + 10 =40, then what is the value of the expression n - 25?
damaskus [11]
Find n first.


n+10= 40

Subtract 10.

n= 30

Plug in n.

30-25= 5

The answer is 5.

I hope this helps!
~cupcake
8 0
2 years ago
Read 2 more answers
Please please answer .
maksim [4K]

Answer:

1025

Step-by-step explanation:

5 0
2 years ago
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