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maria [59]
3 years ago
15

Addison worked 11 more hours this week than last week. In total, she worked 65 hours this week and last week. Using the equation

2h + 11 = 65, how many hours (h) did Addison work last week?
Mathematics
1 answer:
Anestetic [448]3 years ago
5 0

Answer:

27 hours

Step-by-step explanation:

Just do the reverse. 65-11 = 54. 54 / 2 = 27.

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if a gas has a volume of 1 L at a pressure of 270 kPa, what volume will it have when the pressure is increased to 540 kPa? Assum
lord [1]
The answer would be: 0.5L

This question can be solved using the ideal gas formula PV=nRT where
P= pressure
V= volume
n= number of molecule
R= constant
T= temperature


In this question, the temperature and number of the particle are not changed. The pressure is changed to twice amount. Since the pressure is inversely related to the volume, the volume should become half of the original.
PV=nRT 
V=nRT/P
V1/V2= (nRT/P1)/(nRT/P2)
V1/V2= (1/270)/(1/540)
V1/V2= (1/1)/(1/2)
V1/V2 = 2
V1= 2V2
1L= 2V2
V2= 1/2 L
8 0
3 years ago
Solve for A<br> a=22/7•13/4^2
Mkey [24]

Answer:

A= ~2.55

Step-by-step explanation:

Using Pemdos, or gemdos, you can find you do the exponent first

4^2 = 16

then to everything else in left to right order since they're all multiplication or division

22/7 = ~3.14 * 13 = ~40.86/16 = ~2.55

(I'm using "~" to mean about/rounded to)

7 0
3 years ago
Read 2 more answers
What is the csc -405?
kow [346]

Answer:

-3.81176345205

Step-by-step explanation:

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5 0
3 years ago
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Jane is organizing a fundraiser to buy a ping-pong table for the community center. The table costs $500.00. Jane is asking contr
kogti [31]

Answer:

Function: C = 500 / n

Jane must recruit 20 more contributors or 25 contributors in total for the cost of each share to be $20.

Step-by-step explanation:

1. Cost per share, C, with respect to the number of contributors, n is

C = 500 / n

So, with 5 contributors, the price is $100 per share. $100 = 500/5

2. C= $20

20= 500 / n

20 * n = 500 * n

20n = 500

n= 25

She already has 5 contributors, so she needs 20 more.



4 0
4 years ago
|2| + |-13| =<br><br> BRAINLIST AND EXTRA POINTS
kirza4 [7]

Answer:

15

Step-by-step explanation:

|2| + |-13| =

2+13

15

8 0
3 years ago
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