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2 years ago

Which graph represents a function with direct variation?

Mathematics

1 answer:

morpeh [17]2 years ago

6 0

Answer:

Step-by-step explanation:

I took the test, trust me bru

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Someone please help. Giving brainliest!!

padilas [110]

Answer:

A. None of these

Step-by-step explanation:

The largest perfect square under 100 would actually be 81 (9 x 9)

90 and 99 are not perfect squares and 64 is smaller than 81.

8 0

3 years ago

Read 2 more answers

A particle moves so that r(t) = ati + b sin atj. Show that the magnitude of the acceleration of the particle is proportional to

ValentinkaMS [17]

Answer:

Step-by-step explanation:

Given

Position of particle is $r(t)=at\hat{i}+b\sin (at)\hat{j}$

i.e. distance from x axis is $b\sin (at)---1$

Distance from y axis at

velocity is given by $v=\frac{\mathrm{d} r}{\mathrm{d} t}$

$v=a\hat{i}+ba\cos (at)\hat{j}$

Similarly acceleration is given by

$a=\frac{\mathrm{d} v}{\mathrm{d} t}$

$a=0\hat{i}-a^2b\sin (at)\hat{j}$

Magnitude of acceleration is $=\sqrt{(-a^2b\sin (at))^2}$

$=a^2b\sin (at)----2$

From 1 and 2 we can see that

Magnitude of acceleration is proportional to distance from x axis

$a\propto distance\ from\ x-axis$

5 0

3 years ago

Read 2 more answers

Is the perpendicular bisector of . What is the length of ?

mixas84 [53]

Answer:

the answer is C. 12

Step-by-step explanation:

5 0

3 years ago

I need help on this math question

lina2011 [118]

Answer:

Step-by-step explanation:

7 Sizes * 3 Lengths * 4 Colors = 84

4 0

2 years ago

Gimme all 3 answers and u get brainliest

brilliants [131]

Answer:

K. 2.36666666666666667

L. 17.281818181818181818181818181818

M. 69.116

N. 38.489616

Step-by-step explanation:

Brainliest Please!

4 0

3 years ago