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vivado [14]
3 years ago
14

Point A is the incenter of ΔDEF. What is the length of NA?

Mathematics
2 answers:
azamat3 years ago
5 0
LA = NA = MA

5x - 1 = 6x - 3

-x = -2

x = 2

LA = 5x - 1

LA = 5(2) - 1 = 9

NA = 9
ololo11 [35]3 years ago
5 0
The awnser the this geometry question is 9
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DaniilM [7]

Answer:

what is this

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2 years ago
Please assist me with these problems​
blondinia [14]

Answer:

The function of f(x) is 20 for the middle problem idk the others

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3 0
2 years ago
A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all
Jobisdone [24]

Answer:

0.0713 = 7.13% probability that the result is positive.

Step-by-step explanation:

Probability of a positive test:

91% of 1/650(has the disease).

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4 0
2 years ago
Solve this problem on paper using all four steps. A girl scout troop sold cookies. If the girls sold 5 more boxes the second wee
Varvara68 [4.7K]
This is a problem where you should make an equation.
Let's say x is the first week. It would mean
First Week : x
Second Week : x + 5
Third Week : 2(x+5)
You need to add these up to make your equation. Your equation will look something like this :
x+x+5+2(x+5) = 431
Now you simplify.
2x+5+2x+10 = 431
4x+15 = 431
4x = 416
x = 104
That means they sold 104 Boxes in the First Week.
104+5=109
So they sold 109 Boxes the Second Week.
109 x 2 = 218
And they sold 218 Boxes the Third Week.

I hope I was useful!
3 0
3 years ago
Read 2 more answers
A truck cost $21,000.00 with an estimated salvage value of $1,000.00. It has an estimated useful life of 5 years. If the truck w
taurus [48]
Straight line depreciation applies the same amount of depreciation in each year.
Our Depreciation Base is 21,000 - 1,000 = 20,000
The useful life is 5 years, so each year we depreciate 20,000 ÷ 5 = 4,000

Book Value is Cost - Accumulated Depreciation
After Year 1: 
Book Value = 21,000 - 4,000 = 17,000

Answer is A) 17,000
6 0
3 years ago
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