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Hoochie [10]
2 years ago
12

Hi please i need the complete step-by-step solution thank you​

Mathematics
1 answer:
Firdavs [7]2 years ago
4 0

Answer:

9, 16, 23, 30

Step-by-step explanation:

The arithmetic means are the terms of an arithmetic sequence, that is

2, a₂, a₃, a₄, a₅, 37

The nth term of the sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 2 and a₆ = 37 , that is

a₁ + 5d = 37

2 + 5d = 37 ( subtract 2 from both sides )

5d = 35 ( divide both sides by 5 )

d = 7

Then

a₂ = a₁ + 7 = 2 + 7 = 9

a₃ = a₂ + 7 = 9 + 7 = 16

a₄ = a₃ + 7 = 16 + 7 = 23

a₅ = a₄ + 7 = 23 + 7 = 30

The 4 arithmetic means between 2 and 37 are 9, 16, 23, 30

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The distance d of a particle moving in a straight line is given by d(t) = 2t^3 + 5t – 2, where t is given in seconds and d is me
Amanda [17]

Answer: 299 m/s

Step-by-step explanation:

The first step is to take the first derivative of the equation given. This will give us the equation for velocity which we will then substitute the 7 in for t.

To derive the equation you multiply the coefficient by the power of the variable, then subtract one from the variable.

v(t) = 6t^2 + 5

Now input 7 in for t to find the velocity.

v(7) = 6(7)^2 + 5

v(7) = 299 m/s

6 0
3 years ago
7th grade Math help please :)
Ann [662]

Answer:

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answers r in order of pictures

Step-by-step explanation:

5 0
2 years ago
-1/2x=-10<br><img src="https://tex.z-dn.net/?f=%20-%201%20%5Cdiv%202x%20%3D%20%20-%2010%20" id="TexFormula1" title=" - 1 \div 2x
Triss [41]

Answer:

x= 1/20

Step-by-step explanation:

-1/2x = -10

multiply by 2x on each side

2x(-1/2x) = -10*2x

-1 = -20x

divide by -20

-1/-20 = -20x/-20

1/20 =x

5 0
2 years ago
Read 2 more answers
Simplify sin^2y/sec^2 y−1 to a single trigonometric function
liubo4ka [24]

Answer:

\frac{ { \sin}^{2} y}{ { \sec}^{2}y - 1 }  =  { \cos }^{2} y

Step-by-step explanation:

We know that { \tan }^{2} y =  { \sec }^{2} y - 1

Also , { \tan}^{2} y =   \frac{ { \sin }^{2} y}{ { \cos }^{2}y }

So ,

\frac{ { \sin }^{2}y }{ { \sec }^{2}y - 1 }  =  \frac{ { \sin}^{2} y}{ { \tan }^{2} y}  =  \frac{ { \sin }^{2}y }{ \frac{ { \sin}^{2} y}{ { \cos}^{2}y } }  =  { \cos }^{2} y

6 0
2 years ago
Answer in simplest radical form
JulijaS [17]

Hello!

Answer:⇒15√6 i

Step-by-step explanation:

√-54=3√6 i

5*3√6 i

Multiply the numbers.

5*3=15

=15√6 i

Hope this helps!

Thank you for posting your question at here on brainly.

-Charlie

5 0
3 years ago
Read 2 more answers
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