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FinnZ [79.3K]
3 years ago
10

I just need the final answer (aberage velocity over entire trip). Thanks! :)

Mathematics
1 answer:
Julli [10]3 years ago
6 0

Answer:

it should be 4.5

Step-by-step explanation:

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Consider the function represented by 9x + 3y = 12 with x as the independent variable. How can this function be written using
yarga [219]

Answer: Second choice; f(x) = -3x + 4

Step-by-step explanation:

You pretty much want to isolate y, f(x) is also acceptable as y. The term f(x) means the value of the function when you input the x value.

Subtract 9x from both sides to get 3y = 12 - 9x, then divide everything by 3 in order to get y completely alone. You get y = 4 - 3x or f(x) = 4 - 3x

Different way you could potentially write this answer:

y = 4 - 3x

y = -3x + 4

f(x) = 4 - 3x

f(x) = -3x + 4

Each one equals each other and are all perfectly acceptable

3 0
3 years ago
If five men working at the same hourly rate are paid a total of $72.10 for a day's work, how much should be paid to three men at
sdas [7]
The ratio is 72.10:5
Which is when divided by 5, 14.42 per person
That times 3 is 43.26
Hope this helps
8 0
3 years ago
Read 2 more answers
$5000 is placed in a bank account with an annual interest rate of 5.5%. The function represents the balance in the account, f(x)
strojnjashka [21]
The bank account got 8,000
8 0
3 years ago
Two numbers are in the ratio 7:9 if the sum of the number is 112 then the lrger number is?
nordsb [41]

Answer:

63

Step-by-step explanation:

the numbers are in ratio 7 : 9 = 7x : 9x ( x is a multiplier )

given the sum of the numbers = 112 , then

7x + 9x = 112 , that is

16x = 112 ( divide both sides by 16 )

x = 7 , then

9x = 9 × 7 = 63 ← value of larger number

7 0
2 years ago
Auditoriums are often designed so that are fewer seats per row for rows closer to the stage. Suppose you are sitting in row 18 i
zhannawk [14.2K]

Answer:

(a) 22 (b) 109

Step-by-step explanation:

GIVEN: Auditoriums are often designed so that are fewer seats per row for rows closer to the stage. Suppose you are sitting in row 18 in an auditorium and notice that there are 73 seats in your row. It appears the row in front of you has 70 seats and the row behind you has 76 seats. Suppose this pattern continues throughout the auditorium.

TO FIND: a) How many seats are in the first row b) How many seats are in the 30th row?

SOLUTION:

total seats in row_{19}=76

total seats in row_{18} =73

total seats in row_{17}=70

as it clearly form an A.P. with d=76-73=3

(a)

let total seat in first row be a

as total seats in row_{18}=73

row_{18}=a+(n-1)d

73=a+17\times3

a=22

total seats in first row are 22

(b)

total seats in 30th be x

x=row_{1}+(30-1)3

x=22+29\times3

x=109

total seats in 30th row  are 109

4 0
3 years ago
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