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zheka24 [161]
2 years ago
12

Please help!!!

Mathematics
2 answers:
Olegator [25]2 years ago
8 0

Answer:B

Step-by-step explanation:

make 8 become k

you have f(x)= -x+k

now change -x+k to x-k because x is a negative

now you have f(x)=x-k

now make f(x) f(x-k) because you have to subtract k from both sides

now make x-k f(x)-k because you need to show work i can't explain this part online.

sasho [114]2 years ago
4 0

Answer:

B!

Step-by-step explanation:

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He would play 4 games.
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La altura de una portería de futbol reglamentaria es de 2.4m y la distancia desde el punto de penalti hasta la raya de gol es de
mihalych1998 [28]

Answer:

11.06 meters

Step-by-step explanation:

Given that

The height of a regulation soccer goal is 2.4 meters

And, the distance is 10.8 meters

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Here we applied the pythagoreans theorem

So,

= √ (2.4m) ^2 + (10.8 m) ^2

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3 0
2 years ago
Suppose Samantha is walking at a constant speed of 0.5 miles every 6 minutes from her house to a coffee shop located 1.3 miles a
Effectus [21]

Answer:

a) It takes Samantha 12 minutes to walk 1 mile

b) It takes Tina 6 minutes to bike 1 mile

c) k(t) = 0.083t

d) m(t) = 0.167t

e) Tina arrives befora Samantha

Step-by-step explanation:

a) How many minutes does it take Samantha to walk 1 mile?

This is a direct rule of three problem. So:

6 minutes - 0.5 miles

x minutes - 1 mile

x = 6/0.5 = 12 minutes

It takes Samantha 12 minutes to walk 1 mile

b) How many minutes does it take Tina to bike 1 mile?

Quite similar to a)

1.5 minutes - 0.25 miles

x minutes - 1 mile

x = 1.5/0.25 = 6 minutes

It takes Tina 6 minutes to bike 1 mile

c) Write a function k that determines the number of miles Samantha has walked in terms of the number of minutes.

We know that it takes 6 minutes for Samantha to walk 0.5miles. To build our function k, we need to know how many miles Samantha walks a minute.

So

6 minutes - 0.5 miles

1 - minutes - x miles

x = 0.5/6 = 0.083 miles

So the number of miles in function of t is

k(t) = 0.083t

d) Write a function m that determines the number of miles Tina has biked in terms of the number of minutes since she started biking

Same logic as c). So:

1.5 minutes - 0.25 miles

1 minute - x miles

x = 0.25/1.5

x = 0.167

So the number of miles in function of t is:

m(t) = 0.167t

e)

Samantha will arrive when k = 1.3, so:

0.083t = 1.3

t = 15.66 minutes

Tina will aririve when m = 2.5, so:

0.167t = 2.5

t = 14.9 minutes

Tina arrives befora Samantha

4 0
3 years ago
I SHALL GIVE THEE THE TITLE OF BRAINLIEST! -5X + 8X - 4 -5Y + 3 - 6Y + 2Y + 4 6 + X - 5 + 2X + 8 3B - B + 7 + 4B
dexar [7]

Answer:

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Step-by-step explanation:

is this the answer you were looking for? please let me know if this is not what you were trying to find:)

6 0
3 years ago
I need help ASAP!!!!!
storchak [24]

{21m}^{7}  -  {7m}^{5}  + 49m \\  = 7m( {3m}^{6}  -  {m}^{4}  + 7)

Hope this helps. - M
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3 years ago
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