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pshichka [43]
3 years ago
9

The football team has a total of 20 jerseys. There are 6 medium-sized jerseys. What percent of the

Mathematics
1 answer:
Alborosie3 years ago
5 0
6/20 are medium sized jerseys 5 * (6/20) = 30/100 = 0,3 = 30% are medium-sized jerseys
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Please help I really need your help
Amanda [17]

Answer:

1.  1200 \ kg/m^3

2.

a)

35 cm = 0.35 meters

11 dm = 1.1 meters

15 mm = 0.015 meters

b)

Volume = 0.005775 cubic meters

Mass = 15.5925 kilograms

Step-by-step explanation:

1.

We know

Density = Mass/Volume

Given

Mass = 90 kg

Volume = 0.075 cubic meters

The SI unit for density is kilograms per cubic meters. Our dimensions are just that, so we just need to plug in the numbers into the formula and get our answer. Shown below:

Density = \frac{90}{0.075}=1200 \ kg/m^3

The Density of asphalt block = 1200 \ kg/m^3

2.

a)

We need to express 35cm, 11dm, and 15mm in meters

We know

100 cm = 1 meters, so

35 cm = 35/100 = 0.35 meters

We know 1 dm = 0.1 meters, so

11 dm * 0.1 = 1.1 meters

We know, 1mm = 0.001 meters, so

15 mm * 0.001 = 0.015 meters

b)

Volume of the Slab is length * width * height, in meters, that would be:

Volume = 0.35 * 1.1 * 0.015 = 0.005775 cubic meters

THe mass would be found by the formula:

Density = Mass/Volume

2700 = Mass/0.005775

Mass = 0.005775 * 2700 =  15.5925 kilograms

5 0
3 years ago
What is 13/78 redused to its lowest form
Wewaii [24]
Divide to get a low form of a fraction. 
13 divide by 13 = 1
78/13 = 6

1/6 would therefore, be the lowest form
6 0
3 years ago
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A bookstore observes that 2 out of 9 books sold are returned, if 360 books are sold how many will be returned
konstantin123 [22]

Answer:

79.992

Step-by-step explanation:


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3 years ago
Solve for x<br> -6x+14&lt; -28 or 9x+15≤−12
Free_Kalibri [48]

- 3 \geqslant x > 6

Step-by-step explanation:

....

8 0
3 years ago
How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!
VLD [36.1K]
2y=10x-14
5x-y=7

Divide both sides by 2 in the 1st equation
y=5x-7
Now substitute is to 2nd equation 
5x-5x+7=7
0=0

Therefore there is no solution or it is inconsistent 
3 0
3 years ago
Read 2 more answers
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