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goldenfox [79]
4 years ago
9

A painter uses the expression 35 h + 30 c to determine how much he charges a customer for a job that takes h hours and c cans of

paint. His last job required 3 cans of paint and took 15 hours to complete. How much did the painter charge?
Mathematics
1 answer:
ira [324]4 years ago
4 0

Answer:

615

Step-by-step explanation:

Here, there is an equation that determine the amount charged by a painter for a paint job. The equation takes into cognizance the number of hours used and also the number of paints used.

To actually get the amount he charged, we need to substitute the number of cans and number of paints he used.

Now to get that amount, we work as follows:

Let’s say the amount is A.

For 3 paint cans and 15 hours of work, we substitute c with 3 and h with 15

A = 35h + 30c

A = 35(15) + 30(3)

A = 525 + 90 = 615

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Write expression as sum or difference of logarithm log [x^3 square root x 1/(x-2)^2
Aliun [14]

The expression as a sum or difference of logarithm is log(x^3) + log(√x + 1) - 2log(x - 2)

<h3>How to write the expression as a sum or difference of logarithm?</h3>

The expression is given as:

log [x^3 square root x 1/(x-2)^2

Rewrite properly as:

log [x^3 √x + 1/(x-2)^2]

Express the above expression as products and quotients

log [x^3 * √x + 1/(x-2)^2]

Apply the product and quotient of logarithm

log(x^3) + log(√x + 1) - log(x - 2)^2

Rewrite  as:

log(x^3) + log(√x + 1) - 2log(x - 2)

Hence, the expression as a sum or difference of logarithm is log(x^3) + log(√x + 1) - 2log(x - 2)

Read more about logarithmic expression at

brainly.com/question/247340

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6 0
2 years ago
a board is 75 cm in length and must be cut so that one piece is 25 cm longer than the other piece find the.length of each piece
RoseWind [281]

Answer:

Length of the pieces are 25 and 50 cms.

Step-by-step explanation:

If one piece is x cm long then the other is 75-x cm.

Difference is 25 cm , so:

75 - x - x = 25

-2x = -50

2x = 50

x = 25.

7 0
2 years ago
A cylinder has a volume of 288pie cubic meters and a height of 9 meters. What is the area of the base?
Butoxors [25]
      V = πr²h
  288 = 3.14(r²)(9)
  288 = 3.14(9r²)
  288 = 28.26r²
28.26   28.26
10.19 ≈ r²
  3.19 ≈ r

B = πr²
B = 3.14(3.19)²
B = 3.14(10.19)
B = 31.9966
7 0
3 years ago
Read 2 more answers
I don't get # 2 please help and fast
Neporo4naja [7]
I wouldn't say that.  It looks to me like you've absolutely got it ... almost.

A).  Your fraction is correct.  But it's not in simplest form like they want it.
Reduce  18/45  to simplest form.  Hint:  Divide top and bottom by 9 .

B).  They want the percentage that's the same as  18/45 .
Do you remember how to change a fraction to percent ?
A fraction is just a short way to say "division".
" 18/45 " means " 18 divided by 45 ".
Do the division.  To change the quotient into percent, multiply it by 100 .
(Same as moving the decimal point 2 places to the right.)
Round it the nearest whole number, if it isn't already a whole number.

C).  Again, your fraction is correct, but it isn't in simplest form.
Reduce  27/45  to simplest form.   Hint: Divide top and bottom by 9 again.

D).  Change this fraction to percent, just like you did for the female fraction.
(Do the division that the fraction says, and multiply the quotient by 100.) 
(Round to the nearest whole number percent if it isn't already.)

You already did the technical stuff.  I just added some mechanical things.
5 0
4 years ago
Can ratios be reduced
Whitepunk [10]

Answer:

Yes

Step-by-step explanation:

5 0
3 years ago
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