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Iteru [2.4K]
3 years ago
7

WORTH 20

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

(2·3.5 + 4·3.25 + 2·1.9 + 1·1.2)·(1 - 0.05) = $23.75

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You are a contractor and charge $45 for a site visit plus an additional $24 per hour for each hour you spend working at the site
tino4ka555 [31]

Answer:

Equation: 810= (90 + 24y)

y = 30 hours

Step-by-step explanation:

Given:

Site visit = $45 per site

cost per hour worked = $24

for <u>each </u>work site, the total amount of money earned

= site visit fee + cost for working

But the question mentions TWO sites, hence there will be two site visits. Therefore for TWO sites, we have to account for TWO site visit fee.

Therefore for TWO sites, the total amount of money earned

= site 1 visit fee + site 2 visit fee + cost for working

= (2 x site visit fee) +  cost for working  ------ Equation 1

We are further given that we worked y hours at the hourly work rate of $24 per hour.

Hence the cost for working

= y hours x hourly rate

= y   x   $24

= $24y   (substituting this into equation 1 above)

for TWO sites, the total amount of money earned

= (2 x site visit fee) +  cost for working

= (2 x $45) +  $24y

= $90 + $24y

= $(90 + 24y)

We are also given that we have to earn $810 for two sites, hence

810 = 90 + 24y    

810 - 90 = 24y

24y = 720

y = 720/24

y = 30 hours

8 0
3 years ago
The equation of a circle is x^2 + y^2 - 12x + 6y + 20 = 0. What is the radius of the circle?
Lady bird [3.3K]
The radius of the circle is 5.
3 0
3 years ago
(Please Help Asap)<br> Evaluate 1/6 + 2/3 <br> A. 1/5<br> B. 3/18<br> C. 5/6<br> D. 1 1/6
sertanlavr [38]

Answer:

5/6

Step-by-step explanation:

3 0
3 years ago
How would you scale down by a factor of 1/10?
slavikrds [6]

Answer:

See example below.

Step-by-step explanation:

To scale down by a factor of 1/10, multiply the side length or distance by 1/10.

Example:

If the distance was 5 then 5*1/10 = 5/10 = 1/2 is the scaled down version.

6 0
3 years ago
Here someone help me is this correct or no someone reported me saying it was wrong
Neko [114]
-2^{4} = 16

You're right.
8 0
3 years ago
Read 2 more answers
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