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luda_lava [24]
2 years ago
10

Given:f(x)=x-7 and h(x)=2x+3 write the rule for f(h(x))

Mathematics
1 answer:
OLEGan [10]2 years ago
4 0

Answer:

Step-by-step explanation:

h(x) = 2x + 3

f(2x+3)

2x+3 - 7

2x - 4

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The price of a fan is $15. This price is 27% lower than last week.
Goshia [24]

The price of fan was 20 Dollars 55 cents last week.

Step-by-step explanation:

Let,

The price last week = x

As the price is 27% lower than last week, therefore

(100%-27%) * Price last week = $15

73% * x = 15

Solving the percentage;

\frac{73}{100}*x=15\\ Multiplying\ both\ sides\ by\ 100\\100*\frac{73x}{100} = 15*100\\73x=1500\\Dividing\ both\ sides\ by\ 73\\\frac{73x}{73} = \frac{1500}{73} \\x= 20.55

The price of fan was 20 Dollars 55 cents last week.

Keywords: Percentage, multiplication.

Learn more about percentages at:

  • brainly.com/question/2140933
  • brainly.com/question/2142762

#LearnwithBrainly

5 0
2 years ago
a train travels 304 miles in 4 hours if it continues to travel at the same rate how many miles will it travel in seven and a hal
svlad2 [7]

Answer:

570 miles

Step-by-step explanation:

304/4 is how many miles it travels in each hour and if its 7.5 hours then you multiply that by each mile it takes each hour.

304/4 = 76

76 x 7.5 = 570

5 0
3 years ago
If rain is falling at 0.5 inches per hour and 1.5 inches have already accumulated, how many hours must have passed if there are
zavuch27 [327]

Given :

Rain is falling at 0.5 inches per hour and 1.5 inches have already accumulated.

To Find :

How many hours must have passed if there are 5 inches of rain .

Solution :

Let , after x hours rain accumulated is 5 inches .

We know , general equation of line :

y = mx +c

Here , m = 0.5 and c = 1 .

So , equation of rain accumulated is :

y=0.5x+1

Now , putting value of x = 5 hours .

We get :

y=0.5\times 5+1\\\\y=2.5+1=3.5\ inches

Hence , this is the required solution .

7 0
3 years ago
2x^2-5x+6 divided by x-3
hichkok12 [17]

Answer:

2

Step-by-step explanation:


8 0
2 years ago
1. Express 14/100 as a negative exponent.
Jet001 [13]

Step-by-step explanation:

Number 1

=  \frac{14}{100}

=  \frac{14}{ {10}^{2} }

= 14 \times  {10}^{ - 2}

\:

Number 2

=  {100 }^{ - 1}

=  \frac{1}{ {100}^{1} }

=  \frac{1}{100}

6 0
2 years ago
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