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erastovalidia [21]
3 years ago
10

A turtle swimming in a straight line toward shore has a speed of 0.50 m/s.  After 4.0 s, its speed is 0.80 m/s.  What is the tur

tle's average acceleration?
Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0
<span>(0.80-0.5 m/s)/(4.0 s) = (0.075 m)/s^2</span>
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Find the nth terms of the following Ap 100, 91, 82​
Rom4ik [11]

Answer:

The nth term is 109-9n

Step-by-step explanation:

Here, we want to find the nth term of the given arithmetic sequence

Mathematically, we have the nth term as;

Tn = a + (n-1)d

where a is the first term which is 100 in this case

d is the common difference which is the value obtained by subtracting the preceding term from the succeeding term; it is constant throughout the sequence

The value here is thus;

82-91 = 91-100 = -9

Substituting these values

Tn = 100 + (n-1)-9

Tn = 100 -9n + 9

Tn = 100 + 9 - 9n

Tn = 109-9n

6 0
3 years ago
In the system of equations below, which variable would it be easiest to solve for? x + 4 y = 14. 3 x + 2 y = 12 The easiest to s
Murljashka [212]

Answer:

<h2>The easiest to solve for is x in the first equation</h2>

Step-by-step explanation:

Given the system of equation, x + 4 y = 14. and 3 x + 2 y = 12, to solve for x, we can use the elimination method of solving simultaneous equation. We need to get y first.

x + 4 y = 14............ 1 * 3

3 x + 2 y = 12 ............ 2  * 1

Lets eliminate x first. Multiply equation 1 by 3 and subtract from equation 2.

3x + 12 y = 42.

3 x + 2 y = 12

Taking the diffrence;

12-2y =42 - 12

10y = 30

y = 3

From equation 1, x = 14-4y

x = 14-4(3)

x = 14-12

x = 2

It can be seen that the easiest way to get the value of x is by using the first equation and we are able to do the substitute easily <u>because the variable x has no coefficient in equation 1 compare to equation 2 </u>as such it will be easier to make the substitute for x in the first equation.

5 0
3 years ago
A 32-ounce soda costs $4.00 at a movie theater. What is the approximate cost per ounce for the soda?
Rom4ik [11]

Answer:

1 oz of soda costs about $0.13

Step-by-step explanation:

32 oz = $4.00

Divide each side by 32 to simplify.

1 oz = $0.125

$0.125 ≈ $0.13

3 0
2 years ago
PLS GIVE THE ANSWER!!!!!! ALSO ITS NOT A NUMBER IS IT C OR A
Natasha2012 [34]

Answer:

Where is the picture or questions?

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I need help can you guys help me out thank you!! p.s. the word is meaters
Gala2k [10]
It’s 76 meters hoped it helped!
6 0
3 years ago
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