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inna [77]
2 years ago
11

A $250 item is reduced to $205. Find the percent discount

Mathematics
2 answers:
geniusboy [140]2 years ago
7 0

Answer:

18% is your answer

SOVA2 [1]2 years ago
5 0

Answer:

18%

Step-by-step explanation:

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Christopher works at the power plant for the southwest part of his home state. For peak operational performance, his department
Licemer1 [7]

Answer:

B) To maintain peak performance for every 50 generators, there are 10 inspectors.

Step-by-step explanation:

For peak operational:

3 electricians for each generator.  ⇒  1 Generator : 3 Electricians

4 inspectors for every 60 electricians. ⇒  60 Electricians : 4 Inspectors

Now, the number of generators the state has now = 50

Let us assume the number of  inspectors  required by the power plant  = m

Now, from the given ratios:

For, 3 electrician there  is 1 generator

⇒ For, 3 x 20 Electrician  there is 1  x 20 Generators.

or, for 60 Electrician there are 20 Generators.   (1)

Also, for 60 Electrician there are 4 inspectors.    (2)

⇒From (1) and (2), we get:

For every 20 generators, there are 4 inspectors.

And, from what we have assumed  For every 50 generators, there are m inspectors.

So, by the RATIO OF PROPORTION:

\frac{20}{4}  = \frac{50}{m}\\ \implies  m = 50 \times\frac{4}{20}  = 10

or, m = 10

Hence, to maintain peak performance for every 50 generators, there are 10 inspectors.

3 0
3 years ago
Find the solution of this system of equations.
solmaris [256]
X=5+y

Substitute the value of x in second equation
28x – 9y= -12
28 (5+y)-9y =-12
140 +28y -9y =-12
140 +19y= -12
19y = - 152
y= -8



Now let's find the value of x using y

x= 5+y
x= 5 + (-8)
= -3

So,
x= -3
y=-8
3 0
3 years ago
What type of function is y=7(5/4)^x
spayn [35]

Answer:

Exponential Growth

Step-by-step explanation:

4 0
3 years ago
Graph g(x), where f(x) = 4x − 2 and g(x) = f(x + 1).
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Can someone help me with my recent question
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I think EY I don't know on these stuff but it's my guess

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