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solong [7]
2 years ago
14

If a biker travels 20 miles in 1 hour how many minutes does it take per miled traveled

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
8 0

1 hour = 60

60min/20miles=3

3 minutes per mile

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Hello there!
otez555 [7]

Answer:

24  Domain: s>=2  or s<=-2

25. 3x^2 +14x +10

26. x^2 -2x+5  

Step-by-step explanation:

24.  Domain is the input or s values

square roots must be greater than or equal to zero

s^2-4 >=0

Add 4 to each side

s^2 >=4

Take the square root

s>=2  or s<=-2


25.  f(g(x))  stick g(x) into f(u) every place you see a u

f(u) = 3u^2 +2u-6

g(x) = x+2

f(g(x) = 3(x+2)^2 +2(x+2) -6

Foil the squared term

       = 3(x^2 +4x+4) +2x+4-6

Distribute

       = 3x^2 +12x+12 +2x+4-6

Combine like terms

   =3x^2 +14x +10


26 f(g(x))  stick g(x) into f(u) every place you see a u

f(u) = u^2+4

g(x) = x-1

f(g(x) = (x-1)^2 +4

Foil the squared term

         = (x^2 -2x+1) +4

         = x^2 -2x+5  

7 0
3 years ago
PLZ I need help showing work and solving
svetoff [14.1K]
Where is the table. We need a table. We also need to type 20 words to ask...
4 0
3 years ago
Given the replacement set {2, 3, 4, 5}, solve 7x – 4 = 3x + 8.
Ludmilka [50]
7x-4=3x+ 8

-3x of both sides 4x-4=8
plus 4 to both sides 4x=12

12 divide by 4 = 3
hopeful that helps
5 0
3 years ago
Read 2 more answers
Mr Wallace sells appliances in receives a weekly salary of $275 plus a 3% Commission on all of his self last week is sells total
Greeley [361]

Answer:

The total earning of Mr Wallace for the week is $310.37  

Step-by-step explanation:

Given as :

The fixed weekly salary of Mr Wallace = $275

And The commission of 3% on his total sell

Last week Mr Wallace total sells amount= $1179

I.e 3% of total sells amount = 3% of $1179 = .03 × $1179 = $35.37

∴The total earning = $275 + $35.37 = $310.37

Hence The total earning of Mr Wallace for the week is $310.37    Answer

8 0
3 years ago
Please help me ☺️☺️☺️
MatroZZZ [7]
BT=TD
BD=2*8=16
AB=BD
AB=16
5 0
2 years ago
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