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xeze [42]
3 years ago
6

The blue dot is what value on the number line

Mathematics
2 answers:
Anastaziya [24]3 years ago
5 0
8 and 12 are separated by 1 line, and they have a difference of 4 units, so..

count every two lines and add 4 units

this means that the blue dot is 20
NeTakaya3 years ago
3 0

Answer: ok so i might as well explain why the answer is 20 to me so i put 1 at the start of the number line then the next number was 2 so what i basically did was put 1 2 4 6 8 10 12 14 16 18 20 i am not that good at  explaining

Step-by-step explanation:So i didn't really understand the other persons explanation so i put my own

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A particle moves along the x-axis so that at any time t, t ≥ 0, its acceleration is a(t) = -4sin(2t). If the velocity of the par
sasho [114]

The velocity of the particle is given by

v(t)=v(0)+\displaystyle\int_0^ta(u)\,\mathrm du

Since a(t)=-4\sin2t and v(0)=7, we get

\displaystyle\int_0^ta(u)\,\mathrm du=\int_0^t-4\sin2u\,\mathrm du=2\cos2u\bigg|_0^t=2\cos2t-2

\implies v(t)=2\cos2t+5

Similarly, the position function is obtained via

x(t)=x(0)+\displaystyle\int_0^tv(u)\,\mathrm du

We know v(t) and we're told that x(0)=0, so

\displaystyle\int_0^tv(u)\,\mathrm du=\int_0^t(2\cos2u+5)\,\mathrm du=\sin2u+5u\bigg|_0^t=\sin2t+5t

\implies x(t)=\sin2t+5t

making the answer A.

3 0
3 years ago
Adelle solved the equation, 4x/7 - 6 = -20 , as shown.
Ne4ueva [31]

Answer:

Step 1: Given

Step 2: Add 6 on both sides

Step 3: Multiply 7 on both sides

Step 4: Divide by 4 on both sides

8 0
3 years ago
Which expression makes the equation true for all values of x? *
zavuch27 [327]

1 and 4 will be the expression that makes the equatio. true for all values of x to prove i have done it in the picture attached in this message

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Elina [12.6K]

Answer:

It's answers 1 and 3

Step-by-step explanation:

The meeting is not mandatory and only volunteers are participating in the task he wanted, this shows bias and doesn't correctly represent the whole team.

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3 years ago
Please help me I will give a brainly
bearhunter [10]
I believe the answer is “one solution”. I hope this helps :)
8 0
2 years ago
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