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Sauron [17]
3 years ago
15

Simplify.

Mathematics
2 answers:
sp2606 [1]3 years ago
4 0
Answer: I think 40



Explain : I’m not sure
Brums [2.3K]3 years ago
3 0
My answer was 40 I hope it’s right
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a roofer charges $60 for the first hour of service call and $25 per hour for each additional hour. The roofer also charges a fee
Temka [501]

Answer:

<h2>y=60+25h+0.3r</h2>

Step-by-step explanation:

let y be the total charges

given that the hour is h

and the cost for raw material is r

therefore

1. The first hour of service call = $60

2. For each additional hour= 25h

 3. 30% over the cost of the materials.= 30/100*r=0.3r

total charges

y=60+25h+0.3r

therefore the expression is

y=60+25h+0.3r

   

4 0
3 years ago
Solve the equation x² =6
Klio2033 [76]

I tried doing some equation hope it helps you a little

3 0
2 years ago
Wesly is 5 feet 3 inches tall. If one inch equals 2.54 centimeters, what is wesly's height in centimeters
dangina [55]

Answer:

152.4 cm

Step-by-step explanation:

Wesly is 5 feet and 3 inches tall. Since there are 12 inches in one foot, 5 feet has 60 inches. This means Wesly is 63 inches tall. If one inch is 2.54 cm then 60(2.54) is Wesly's height in centimeters. 60(2.54) = 152.4

7 0
3 years ago
A wheel has a radius of 4 inches and travels as it spins. How far does the wheel travel in one revolution? Round your answer to
lubasha [3.4K]

Answer:

Step-by-step explanation:

5

6 0
3 years ago
an airplane is traveling at a constant speed of 600 miles per hour. How many feet does it travel in 10 seconds? Remember that 1
frez [133]
<h2>Hello!</h2>

The answer is:

The airplane will travel 8800 feet in 10 seconds.

<h2>Why?</h2>

It's a conversion exercise, we need to be careful in order to solve it with no mistakes.

First:

We need to remember that 1 hour is equal to 60 minutes, and 1 minute is equal to 60 seconds, so, to calculate how many seconds are in one hour, we need to perform the following operation:

Time=1hour*\frac{60minutes}{1hour}*\frac{60seconds}{nminute}=3600seconds

Second:

We need to convert from miles to feet, we need to remember that 1 mil is equal to 5280 feet.

So, solving we have:

Speed=600\frac{miles}{hour}*\frac{1hour}{3600seconds}*\frac{5280ft}{1mile}=880\frac{ft}{seconds}

Now, calculating how many feet does it travel in 10 seconds, we have:

distance=speed*time\\\\distance=880\frac{ft}{seconds}*10seconds=8800ft

We have that the airplane will travel 8800 feet in 10 seconds.

Have a nice day!

7 0
3 years ago
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