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jasenka [17]
3 years ago
8

The work of a student to solve a set of equations is shown:

Mathematics
1 answer:
bezimeni [28]3 years ago
8 0
It might be step 4 where it got dropped by step 3
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The ratio of the number of students on the tennis team to the number of students on the soccer team is 1 : 4. The ratio of the n
zysi [14]
1:4 tennis to soccer---- 1 =5 so 4 = 5x4=20 students on the soccer team

1:2 Soccer to football ----- 1=20 so 2= 20x2= 40 students on the football team.

there are 40! 

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3 0
3 years ago
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A miners' cage of mass 420 kg contains 3 miners of total mass 280 kg. The cage
svp [43]

Answer:

5817 Newtons.

Step-by-step explanation:

Total mass of the cage + the miners = 700 Kg which is a downward force of  700g N.

The net downward force = 700g - T where T is the tension (force) in the cable. The g = acceleration due to gravity = 9.81 m s-2.

We  calculate the  acceleration of the cage by using an equation of motion:

Distance = ut + 1/2 a t^2     where u = initial velocity , t = time and a = acceleration:

75 = 0(t) + 1/2 a (10^2)

50a =  75

a = 1.5 m s-2.

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Force = mass * acceleration:

700*9.81 - T = 700 * 1.5

T = 700 * 9.81 - 700*1.5

= 5817 N.

8 0
3 years ago
A machine can scan 12 pages in 3/5 minute. How many pages can be scanned in 1 minute?
Sedbober [7]
I believe that the answer is 20. I am not entirely sure though.
7 0
3 years ago
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Test again help please
netineya [11]

Answer:

4v+3 + 5v +6=180

ans is v=19

hope so its the ans

Step-by-step explanation:

mark as brainliest plzzz

4 0
2 years ago
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Hello, I need assistance with the attached problem. My answer was incorrect
Semmy [17]

Answer:

(a) 480 + 1640

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I don't really know what (b) is

but hope this helped

6 0
3 years ago
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