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swat32
3 years ago
10

Does there exist a function that is not a relation

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0
No, a function is always a relation. A relation may not always a function but the vice versa is true.

It's like the relationship between a rectangle and a square. A rectangle has 4 right angles and 2 sets of congruent sides while a square has 4 right angles and all sides are congruent. Which means that a rectangle is a square, but a square may not always be a rectangle.
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What function to use and how to use it
Lena [83]

That's the wrong right triangle to draw.  Reading the problem carefully we want this one, figure attached.

So we have the usual 30/60/90 triangle but not to scale.  The sides come in ratio 1:√3:2=x:100:hypotenuse.  So

x = 100/√3 ≈ 57.735

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7 0
3 years ago
A spherical helium balloon has a diameter of 30 cm. How much helium is needed to fill the balloon, in cubic centimeters? Round y
GaryK [48]
From V= 4/3*pi*r^3 
<span>dV/dt = 4pi(r^2)dr/dt </span>
<span>so when dV/dt=30 and r = 19 </span>
<span>30 = 4pi(361)dr/dt </span>
<span>dr/dt = 30/[4pi(361)] </span>

<span>now in </span>
<span>A = 4pir^2 </span>
<span>dA/dt = 8pi(r)dr/dt </span>
<span>= 8pi(19)*30/[4pi(361)] </span>
<span>= you finish it.</span>
<span>HOPE THIS HELPS.
</span>
3 0
3 years ago
Please answer this . It’s of class 8 Thank you
Katen [24]

Answer:

= (3/5)-³

= (5/3)³

= (5/3) × (5/3) × (5/3)

= (125/27)

Hope it helps.

3 0
3 years ago
Read 2 more answers
By bike, it’s possible to travel 108 miles in 6 days. What’s the unit rate?
lbvjy [14]

Answer:

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Step-by-step explanation:

Just do 108/6

4 0
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What number does y stand for in this equation?
mr_godi [17]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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