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3 years ago

6

The string that produces the lowest tone on a piano vibrates 87 times in 3 seconds. How many times would this string vibrate in

12 seconds?

1 answer:

kenny6666 [7]3 years ago

6 0

Answer:

21.75

Step-by-step explanation: 87 x 3 * 12

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Help me please geometry class

artcher [175]

Answer:

m∠ADB = 59°

Step-by-step explanation:

I've provided my work which also includes how I check my answers by using the information given! Hope this helps!!! If you have any questions, I can try to help.

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3 years ago

What are the coordinates of the point that is one half the distance between A(−3, −5) and B(2, 7)?

Olenka [21]

Answer:

$(\frac{-1}{2},1)$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Midpoint Formula: $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Step-by-step explanation:

<u>Step 1: Define</u>

A (-3, -5)

B (2, 7)

<u>Step 2: Find midpoint</u>

Substitute: $(\frac{-3+2}{2},\frac{-5+7}{2})$
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3 years ago

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2 years ago

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3 years ago

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Natasha2012 [34]

Answer:

1.02 or 51/50

Step-by-step explanation:

First we convert the fraction 6/10, as a decimal

6/10 = 0.6

Then we simply multiply

1.7 × 0.6 = 1.02

Lastly we reduce

1.02 = 1 2/100 or 51/50

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2 years ago