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LenKa [72]
3 years ago
14

Can someone help please ?

Mathematics
1 answer:
dexar [7]3 years ago
3 0
Average rate of change is defined by (y^-y)/(t^-t) where the ^ means the final(so final y and final t)
So you'd do (8.75-2.75)/(12-4) which is 6/8 which is 3/4 of a dollar per week
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Can someone help me do this
Tomtit [17]

Step-by-step explanation:

the angle is greater than 180 degrees so it makes it an obtuse triangle

6 0
2 years ago
Verify the property: a ×( b+c ) = ( a×b ) + ( a×c ) by taking a = 3/5 , b = -2 , c = 10/13
Ivanshal [37]

Answer:

This is the distributive property

Step-by-step explanation:

You use the distributive property to allocate a number outside of the parentheses to inside the parentheses.

For this example, they distributed a to both b and c making it a*b + a*c

This will result in the same answer:

3/5(-2 + 10/13) = 3/5*-2 + 3/5*10/13

3/5(-1.23..) = -6/5 + 30/65 (..= approx)

approximately- 0.74  = -0.74

6 0
2 years ago
The frequency of the musical note C4 is about 261.63 Hz. What is the frequency of the note a perfect fifth below C4?
kolbaska11 [484]

Answer:

The frequency of the note a perfect fifth below C4 is;

B- 174.42 Hz

Step-by-step explanation:

Here we note that to get the "perfect fifth" of a musical note  we have to play a not that is either 1.5 above or 1.5 below the note to which we reference. Therefore to get the frequency of the note a perfect fifth below C4 which is about 261.63 Hz, we have

1.5 × Frequency of note Y = Frequency of C4

1.5 × Y = 261.63

Therefore, Y = 261.63/1.5 = 174.42 Hz.

6 0
2 years ago
Four expressions are shown:
Oksana_A [137]
The answer is 12x+4 and 2(6x+2)

Hope it helps.
7 0
3 years ago
Read 2 more answers
Ashlee would like to buy a sweater that cost 46.90. How much tax would she pay if the tax rate is 3%?
andrezito [222]

Answer:

Tax= $1.41

Step-by-step explanation:

7 0
2 years ago
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