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marissa [1.9K]
3 years ago
11

2. Determine whether the following statement is true or false and then explain wit an example: to downturn the a small town in N

evada lost 20% of its population. However, after a significant improvement in the economy, this same town then gained 20% more people. In the end the town's population was the same as it was before the downturn."
Mathematics
1 answer:
Travka [436]3 years ago
8 0
The answer is true because the town had 20% before the down turn and then they lost the 20% then they gained 20% after the improvement of the economy.
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Please, I need help! What's 4000/4*10^-5 (Can someone add the steps also because I dont understand how to do it either)
vichka [17]

Answer:

0.01

Step-by-step explanation:

(4000/4) * (10^-5)

1000* 0.00001

0.01

6 0
3 years ago
In a ABC shown below, side AC is extended to point D with m Z DAB= (180 – 3x) °, mZ B= (6x – 40) °, and m ZC = (x+20) °.
Dmitry_Shevchenko [17]

Answer:

60°

Step-by-step explanation:

Given :

DAB= (180 – 3x) °,

mZ B= (6x – 40) °, and

m ZC = (x+20) °.

DAB = mZ B + m ZC ( the exterior angle equal the sum of the two opposite interior angles)

180 - 3x = (6x - 40) + (x + 20)

180 - 3x = 6x - 40 + x + 20

180 - 3x = 6x + x - 40 + 20

180 - 3x = 7x - 20

180 + 20 = 7x + 3x

200 = 10x

x = 200/10

x = 20

Angle B = 6x - 40 = 6(20) - 40 = 120 - 40 = 80

Angle C = x + 20 = 20 + 20 = 40

BAC = 180 - (80 + 40) (SUM OF ANGLES IN A TRIANGLE)

BAC = 180 - 120

BAC = 60°

3 0
3 years ago
In quadrilateral ABCD, if m<B=95°, m<C=100, and m<D=90°, find the measure of <A
Zielflug [23.3K]
Rule: For any quadrilateral, the four angles always add to 360 degrees

A+B+C+D = 360
A+95+100+90 = 360 ... plug in the given angles
A+285 = 360
A+285-285 = 360-285 ... subtract 285 from both sides
A = 75

Answer: choice C) 75 degrees

5 0
3 years ago
There is no sales tax on the food she buys. Susan pays for the items and receives $0.80 in change. What amount of money does Sus
zysi [14]

<u>Note: You missed to add the complete question. Here is the complete question:</u>

<em>Susan buys the item listed below at a grocery store. 2 packages of chicken priced at $12.36 per package. 1/2 pound of broccoli priced at $1.98 per pound. 1gallon of milk priced at $3.49 per gallon. There is no sales tax on the food she buys. Susan pays for the items and recevies $0.80 in change. What amount of money does Susan use to pay for the items?</em>

Answer:

If Susan receives $0.80 in return, then she would have payed $30 to begin with.

Step-by-step explanation:

The price for items:

  • Chicken price per package = $12.36
  • The price of broccoli per pound = $1.98
  • The price of 1 gallon of milk  = $3.49

Her shopping items:

  • Chicken price for two packages = 2 × 12.36 =  $24.72
  • The price of broccoli 1/2 pound = 1.98/2 = $0.99
  • The price of 1 gallon of milk  = $3.49

As there are no sales tax

Therefore, adding her shopping items:

                                          $24.72 + $0.99 + $3.49 - $0 = $29.2

If Susan receives $0.80 in return, then she would have payed $30 to begin with.

6 0
3 years ago
Help me with this- ILL GIVE BRANILEST
gavmur [86]
1) 12 ounces of water to one packet of flavoring

2) 5 = 60, 7 = 84, 10 = 120, 12 = 144

4) 23 x 12 = 276 ounces of water
3 0
3 years ago
Read 2 more answers
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