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3241004551 [841]
3 years ago
10

Help with this math question

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0

The answer is: 2 seconds

The explanation for this answer is shown below:

1. By definition, the amount of second required for the pendulum to move from its resting position and return, is the period.

2. As you can see in the graph attached in the exercise, the wave interval is repeating every two units of x (or 2 seconds).

3. Therefore, the period is 2 seconds.

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Help. Please. Thanks.
Musya8 [376]
950 * .05 = $47.5
550 * .04 = $22

$47.5 + $22 = $69.50 interest earned

answer: amount in 4% account = $550
6 0
3 years ago
(7i)(-4i)<br><br> a. -28i<br> b. 28<br> c. -28<br> d. -32i
levacccp [35]

Hey!

Explanation:

↓↓↓↓↓↓↓↓↓↓

First, remove parenthesis.

7i4i

Secondly, multiple by the numbers.

7*4=28

-28ii

Third, apply exponents rule.

-28i^2

i^2=-1

-28(-1)

Finally, refine.

=28\\

<u><em>Answer⇒⇒⇒⇒28</em></u>

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

6 0
3 years ago
What is the value of the expression?
Kamila [148]
Must do multiplication first....
-2/5 - 3/7 x 7/10
-2/5 - 21/70 (I'll reduce 21/70)
-2/5 - 3/10
Now you have to find a common denominator and subtract
-35/50 = -7/10......is what I get
7 0
3 years ago
The box plot shows the ages of people at a movie screening. What percent of the people are between 20 and 37 years old?
iVinArrow [24]

Step-by-step explanation:

You didn't give the box plot, but to obtain the percentage of people between 20 and 37 years old, first of all, find the total number of people, T. Next, find the total number of people between 20 and 37 years old, t.

Then the percentage we want to find is:

P = T/t × 100

7 0
3 years ago
Help❗️Anybody know how to do this stuff?
Lunna [17]

I wish I did I would help u out but I hope u have luck

7 0
3 years ago
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