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sdas [7]
2 years ago
8

The formula for determining the frequency, f, of a note on a piano is mc016-1. Jpg, where h is the number of half-steps from the

A above middle C on the keyboard. A note is six half-steps away from the A above middle C. The frequency of the A above middle C is 440 Hz. How much greater is the frequency of the new note compared with the frequency of the A above middle C? 29. 3% 41. 4% 70. 7% 182. 3%.
Mathematics
1 answer:
qaws [65]2 years ago
8 0

Answ

its a just did this

Step-by-step explanation:

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Erica earned a total of $50,450 last year from her two jobs. The amount she earned from her job at the store was $1,250 more tha
Mariana [72]

Erica earned a total of $50,450 last year from her two jobs. The amount she earned from her job at the store was $1,250 more than four times the amount she earned from her job at the college.

Lets x be the amount she earned from here job at college

amount she earned at the store = 4 * amount earned at college + 1250

= 4x + 1250

Amount earned at college + amount earned at store = 50450

x + 4x + 1250 = 50450

5x + 1250 = 50450

Subtract 1250 from both sides

5x = 49200 (divide by 5)

x = 9840

she earn $9840 from her job at the college

5 0
3 years ago
Bargain Town has 30% off all dresses. Find the sale price of a dress that regularly sells for $98
baherus [9]
You want to buy something that costs $98, and it's on sale for 30% off. What is the item's sale price?
First, convert the 30% to a real mathematical number. For percents, this is always done by dividing the 30% by 100%, or 30% / 100% = 0.300.

Second, find out what 30% of $98 is. This is the amount of the sale discount. This is always found by mulitplying 0.300 by the item's cost $98, like this:

0.300 x $98 = $29.40.
So for this sale, you'll save $29.40 on this item.

This means, the cost of the item to you is

$98 - $29.40 = $68.60.
3 0
3 years ago
Please help I can’t figure this one out
Nata [24]
70


this is because the bottom line has to equal 180, the angles given, 50 and 60, add up to 110, meaning the missing angle is 70 hope this helps :)
7 0
3 years ago
Read 2 more answers
Please help , I need 11 only :)
erastova [34]
11 of the 329.99 lawn mowers and 19 of the 249.99 lawn mowers
8 0
3 years ago
Use the Pythagorean theorem to find the length of the leg in the triangle shown below 12 15
Norma-Jean [14]

Answer:

9 = x (assuming 15 is the hypotenuse)

Step-by-step explanation:

15^2 = 12^2 + x^2

225 = 144 + x^2

subtract 144 from both sides

81 = x^2

square root both sides

9 = x

8 0
3 years ago
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