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Nina [5.8K]
3 years ago
13

The total cost c a painter charges to paint a house depends on the number h of hours it takes to paint the house. This situation

can be represented by the function rule c = 15h + 245. What is the total cost if the painter works for 30.25 hours?
A. $245.00
B. $453.75
C. $572.75
D. $698.75
Mathematics
1 answer:
spin [16.1K]3 years ago
4 0
H = 30.25 hours

c = 15(30.25) = 453.75
c = 453.75 + 245 
c = 698.75
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Find the general term of the sequence<br>c.1 { 10, 5, 0, -5, -10 }<br>c.2 { 1, 4, 9, 16, 25 }​
Ivan

Answer:

1. 15 - 5n where n>=1

2. n² where n>=1

Step-by-step explanation:

1. {10, 5, 0, -5, -10} is an Arithmetic Progression

nth term is a + (n - 1)d

where a = first term, n= nth term, d= common difference.

a = 10, d = -5 (5-10, 0-5, -5-0, -10-(-5))

Therefore, nth(General) term of the sequence:

= 10 + (n - 1)-5

= 10 + (-5n) + 5

= 10 + 5 - 5n

= 15 - 5n

Test:

if n = 1; 15 - 5(1) = 10

if n = 2; 15 - 5(2) = 5

if n = 3; 15 - 5(3) = 0 and so on.

2. {1, 4, 9, 16, 25}

The general term of the sequence is n²

Test:

if n = 1; 1² = 1

if n = 2; 2² = 4

if n = 3; 3² = 9 and so on.

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2 years ago
Paula is training take part in a fun run fir charity. Paula weighed 65.5 kilogram before she started her training. She has list
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We can convert grams to kilograms by dividing by 1000.
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3.1 degrees celcius

Step-by-step explanation:

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