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Virty [35]
4 years ago
9

Simplify the following1 1/2 - 1 ÷4/5+1/4​

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
6 0

Answer:

I think the answer is 0.5.

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if A is the number of degrees and B is the number of grades of any angle ,prove that : B=A+A/9 [FULL PROCESS REQUIRED]​
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3 0
3 years ago
Betty's Bakery sells donut holes at $2.00 for 5 boxes. Shari's Sweets sells 6 boxes of donut holes for $2.30. Which store has th
liq [111]
Easy. You're finding unit rates for both Betty's and Shari's. 

Betty's: Divide 2.00 and 5 to get 0.4 or $0.40

Shari's: Divide 2.30 and 6 to get .38 (Had to round) or $0.38

Conclusion: Shari's is the better buy, you'll be saving 2 cents!

Hope this helped!
8 0
3 years ago
Read 2 more answers
20 POINTS! The following graph shows the amount of money Jonah earns when he babysits for the family who lives next door. Based
katrin2010 [14]

Answer:

The equation e = 4 h can be used to describe this situation.

Jonah earns $20 to babysit for 5 hours.

Step-by-step explanation:

When Jonah babysits one hour, he earns $7.50.

looking at the graph we see at 1 hour he earns 4 dollars false

The equation e = 4 h can be used to describe this situation.

The slope is 4   so y = 4x   e = 4h  would also work   true

Jonah earns $20 to babysit for 5 hours.

Using our equation from above

e = 4*5 = 20   true

The number of hours Jonah works depends on how much he earns.

This would be false

The dependent variable is on the y axis.  The amount he earns depends on how much he works

3 0
3 years ago
Need help thanks in advance
wolverine [178]

Answer:

Period = pi

Angular frequency = 2

Amplitude = 5

Midline is the line y = 3

Step-by-step explanation:

A sinusoidal wave is written in the general form as:

f(x) = A*cos(w*x) + C

Where:

- A is the amplitude.

- w is the angular frequency, this is equal to 2*pi/T

  where T is the period.

- y = C is the midline.

Then in the equation:

f(x) = 5*cos(2*x) + 3

- 5 is the amplitude.

- 2 is the angular frequency (in the image is called frequency, but this quantity must be in radians/time, while the normal frequency is only in Hz)

- We know that the angular frequency is equal to 2*pi/T, whit this eqation we can find the period:

2 = 2*pi/T

T = 2*pi/2 = pi

pi is the period.

- y = 3 is the midline.

3 0
3 years ago
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