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stich3 [128]
3 years ago
14

for a March past competition on sports day the house captain of one house cut 25 pieces of ribbon each 1/2 metre in length.what

was the length of ribbon cut altogether​
Mathematics
1 answer:
zzz [600]3 years ago
7 0

Answer:

not lenguague spanish

Step-by-step explanation:

that bad

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Write an equation what is the answer
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5 0
2 years ago
The power P of a jet of water is jointly proportional to the cross sectional area A and to the cube ofthe velocity V. (a) Write
anastassius [24]

Answer:

a)  P=kAV^3

b)  54

Step-by-step explanation:

a)

If one quantity, A, is jointly proportional to other 2 quantities (B & C), we can write proportionality equation as:

A=k*B*C

Where

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Now, for this problem, P is jointly proportional to A and CUBE OF V, so we can write:

P=kAV^3

b)

Now velocity, V, is triples, which means it becomes 3V

Also, cross sectional area, A, is doubled, which means it becomes 2A

Let's put these into formula and see the difference:

P=kAV^3\\P=k(2A)(3V)^3\\P=k(2A)(27V^3)\\P=(2*27)kAV^3\\P=54kAV^3

So, power is multiplied by a factor of 54. Power becomes 54 times if Area is doubled and velocity is tripled ( as seen ).

8 0
2 years ago
someone please help me! i’m being timed and if you don’t know it, please don’t guess! thank you in advance
STatiana [176]

Answer:

c=90

a=56

b=34

Step-by-step explanation:

8 0
2 years ago
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3x - 3y = 9 for D = (0,3,8)
scoray [572]

Answer:

3(x-y)

Step-by-step explanation:

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3 years ago
What is pi times 4 squared times 5
ehidna [41]

Answer:

251.428

Step-by-step explanation:

22/7*4^2*5

1760/7

251.428

3 0
3 years ago
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