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chubhunter [2.5K]
3 years ago
8

A car is changing speed from 11 m/s to 26 m/s in a time interval of 3.0 s.

Mathematics
1 answer:
zmey [24]3 years ago
7 0
You can use the acceleration equation
(11 - 26)/ (3.0) = 5.0
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How do I solve this problem
marysya [2.9K]
She can have 3 groups of tens and 8 groups of ones
3 0
2 years ago
The 2nd, 6th, 8th terms of an A.P. form a G.P. , find the common ratio and the general term of the G.P.​
melisa1 [442]

The terms of an arithmetic progression, can form consecutive terms of a geometric progression.

  • The common ratio is: \mathbf{r = \frac{a + 5d}{a + d}}
  • The general term of the GP is: \mathbf{a_n = (a + d) \times (\frac{a + 5d}{a + d})^{n-1}}

The nth term of an AP is:

\mathbf{T_n = a + (n - 1)d}

So, the <em>2nd, 6th and 8th terms </em>of the AP are:

\mathbf{T_2 = a + d}

\mathbf{T_6 = a + 5d}

\mathbf{T_8 = a + 7d}

The <em>first, second and third terms </em>of the GP would be:

\mathbf{a_1 = a + d}

\mathbf{a_2 = a + 5d}

\mathbf{a_3 = a + 7d}

The common ratio (r) is calculated as:

\mathbf{r = \frac{a_2}{a_1}}

This gives

\mathbf{r = \frac{a + 5d}{a + d}}

The nth term of a GP is calculated using:

\mathbf{a_n = a_1r^{n-1}}

So, we have:

\mathbf{a_n = (a + d) \times (\frac{a + 5d}{a + d})^{n-1}}

Read more about arithmetic and geometric progressions at:

brainly.com/question/3927222

6 0
2 years ago
X cm
Drupady [299]

Answer:

Step-by-step explanation:

x×x=x²

2×x=2x

2×x=2x

2×2=4

Add like terms to make the equation:

x^{2} +4x+4=7

So<em>:</em>

<em />x^{2} +4x=3

<em />

3 0
2 years ago
How do you factor 45x^2+295x-140
Vaselesa [24]
I could explain it, but you have to ask me, other than that the answer is 5(x+7)(9x-4).
8 0
3 years ago
What is the length of the missing leg of a right triangle given a leg of length 8 and a hypotenuse of length 10. Leave your answ
bezimeni [28]

Answer:

6

Step-by-step explanation:

The hypotenuse will always be equal to "c." You can put "a" or "b" as 8. This gives us a^2 + 8^2 = 10^2 which simplifies to a^2 + 64 = 100. From there, you simplify (subtract 64, giving you a^2 = 36, and then take the square root of a^2 & 36 to get a = 6 (because 6*6 = 36))

7 0
3 years ago
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