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lana66690 [7]
3 years ago
8

Petrov ran 7 laps around a track.Each lap around the track is a distance of 1/4 mile. What is the total distance Petrov ran in f

eet?
Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

9240 feet

Step-by-step explanation:

Petrov ran 7 laps around a track.Each lap around the track is a distance of 1/4 mile.

Step 1

The total distance Petrov ran in miles is calculated as:

1 lap = 1/4 mile

7 laps = x mile

Cross Multiply

x = 7 × 1/4 mile

x = 1.75 miles

Step 2

What is the total distance Petrov ran in feet?

1 mile = 5280 feet

1.75 miles = x

Cross Multiply

x = 1.75 × 5280 feet

x = 9240 feet

Therefore, the total distance Petrov ran in feet is 9240 feet

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Solid metal support poles in the form of right cylinders are made out of metal with a density of 7.3 g/cm^3 3 . This metal can b
sattari [20]

The cost of the metals from the calculations performed is $ 402421.

<h3>What is density?</h3>

Density can be explained as a quantity having  mass per unit volume and this can be calculated as:

Mass of the metal = ?

Density of the metal =  7.3 g/cm^3

height of the metal = 610 cm

radius of the metal = 8.7 cm

Volume of a cylinder  can be calculated by using the formular below:

(\pi r^2h ) And this can be used by inserting the given values which is

= 3.142 * (8.7)^2 * 610 cm = 145068.97cm^3

Then we can calculate the mass as :

Mass = (density * volume)

= (7.3 g/cm3 * 145068cm^3)\\\\=1059003kg

=Since the cost is $0.38 per kilogram, then 3657 Kg costs

;( 1059003kg * $0.38)

= $ 402421

Learn more about density at: brainly.com/question/1578538

#SPJ1

6 0
2 years ago
I need help with this.
Alla [95]

Answer:

B

Step-by-step explanation:

3x + 15 = -4x + 8

7x = -7

x = -1

4 0
3 years ago
Please need help Please
Gekata [30.6K]

Answer: 14/11

Step-by-step explanation:

When 14/11 is multiplied by 1/4, you get a repeating decimal.  All repeating decimals are rational.

Hope it helps <3

8 0
3 years ago
What equation can be used to find the volume of this solid
Bond [772]
Volume=lengthxwidthxheight
7 0
3 years ago
Pls help!!!!!!!!!!!!!!!!
Helga [31]

Answer:

m1=120

m2=120

m3=120

m4=60

m1=56

m2=56

m3=56

m4=124

6 0
2 years ago
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