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Lilit [14]
3 years ago
13

Cindy works on the weekends at the local coffee shop. Last Saturday she worked 7.5 hours and

Mathematics
1 answer:
Arlecino [84]3 years ago
3 0

Answer: H. 139.50

Step-by-step explanation:

Multiply 9 by 8 first and you get 72. Then multiply 9 by 7.5 and you get 67.5 then add 72 and 67.5 and you get 139.5 or 139.50

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A scalene triangle is obtuse. <br> Determine if the statement is always, sometimes, or never true.
valentina_108 [34]

Answer:

sometimes

Step-by-step explanation:

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3 years ago
Which Greek mathematician wrote the most definitive text on geometry, one that is still referred to today?
frutty [35]
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3 years ago
Find the inverse or opposite of (2n-8)
asambeis [7]

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5 0
3 years ago
The population of a certain country is expected to double every 32 years. The population of this country was 4.2 million people
mojhsa [17]

Answer:

2.2%

Step-by-step explanation:

Given the following :

Population in year 2000 (A) = 4.2 million

Expected population every 32 years = 2 *A

The growth rate per year =?

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Using the exponential growth formula :

P(t) = A × (1 + r)^t

(1 + r) = g = Total growth percent

A = Initial population

t = time

P(t) = 8.4 million

8,400,000 = 4,200,000 × g^32

g^32 = (8400000/4200000)

g^32 = 2

Taking the root of 32 on both sides

g = 1.02189714865

g = (1 + r)

1.02189714865 = 1 + r

r = 1.02189714865 - 1

r = 0.02189714865

.rate = 0.02189714865 * 100

= 2.18971486541%

= 2.2% ( nearest tenth)

4 0
3 years ago
PLEAS HELP!!! Examine the graph.
raketka [301]
Similarly to the last graph that decreased, this one increases, so you have to see where the line points upwards into the right top corner
CD
7 0
3 years ago
Read 2 more answers
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