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Greeley [361]
3 years ago
14

Day 1 is negative 4 dollars, day 2 is negative 2 dollars, day 3 is negative 3 dollars.

Mathematics
1 answer:
mestny [16]3 years ago
4 0

Answer:

-9 or $9 borrowed

$3 is the average

Step-by-step explanation:

-4 + -2 + -3 = -9

$9/3 days = $3

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Round the number 95,498 to the ten thousands place value
dezoksy [38]
100,000 (sorry if I'm wrong)
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3 years ago
The average of 11 numbers in a list is 14. If the average of 9 of the numbers in the list is 9, than what is the average of the
liberstina [14]
Total value of 11 numbers
14*11
154

Total value of 9 numbers
9*9
81

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154 - 81
73

So average of other 2 numbers
73 / 2
36.5
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Plot a point on the coordinate plane to represent each of the
Juli2301 [7.4K]
(1,4) you go right 1 time, and than go up 4.

7 0
2 years ago
A county's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponential
aliina [53]
Let t=number of years since 1991.
Then 
P(t)=147 e^(kt)   ... in millions
P(0)=147 e^(0)=147
P(7)=147 e^(7k)=153
e^(7k)=(153/147)
take ln both sides
ln(e^(7k))=ln(153/147)
7k=0.0400 => k=0.005715

Year 2017=>t=2017-1991=26
P(26)=147e^(26*.005715)=170.55
Answer: in 2017, the projected population is 170.55 millions.
6 0
3 years ago
You have 100 feet of fencing and decide to make a rectangular garden. What is the largest area enclosed
k0ka [10]

Answer:

625 ft^2

Step-by-step explanation:

Given

P = 100 --- perimeter

Required

The largest area

The perimeter is calculated as:

P = 2 * ( L + W)

So, we have:

2 * ( L + W) = 100

Divide both sides by 2

L + W  = 50

Make  L the subject

L = 50 - W

The area is calculated as:

A= L * W

Substitute L = 50 - W

A= (50 - W) * W

Open bracket

A = 50W - W^2

Differentiate with respect to W

A' = 50 -2W

Set to 0; to get the maximum value of W

50 - 2W = 0

Collect like terms

-2W = -50

Divide by -2

W = 25

So, the maximum area is:

A = 50W - W^2

A = 50 * 25 - 25^2

A = 1250 - 625

A = 625

3 0
2 years ago
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