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Kobotan [32]
3 years ago
6

Can u pls help me with this question ​

Mathematics
1 answer:
jonny [76]3 years ago
6 0

Answer:

i believe the answer is b

Step-by-step explanation:

unit means one

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Find all of the x-intercepts of the polynomial function <br>p(x) = 3x^3-23x^2+33x–5​
kari74 [83]

Answer:

x=5/3

x= 3+2\sqrt{2}

x=  3-2\sqrt{2}

Step-by-step explanation:

if graphed the x intercepts would be (5/3 , 0) (3+2\sqrt{2} ) (3-2\sqrt{2})

y intercepts (0,-5)

5 0
3 years ago
Please help me! I’m failing!!!
choli [55]

a. If G(t) = a (1 + r)ᵗ, then G(0) = a corresponds to the starting area of the glacier, which is given to be 142 acres. So a = 142.

The area of the glacier shrinks by 4.4% each year. This means that after 1 year, the area is reduced to

142 - (4.4% of 142) = 142 (1 - 0.044) ≈ 135.75 acres

After another year,

135.75 - (4.4% of 135.75) = 135.75 (1 - 0.044) ≈ 129.78 acres

or equivalently, 142 (1 - 0.044)² acres.

And so on. After t years, the glacier would have an area of

G(t) = 142 (1 - 0.044)ᵗ   ⇒   G(t) = 142 × 0.956ᵗ

b. If the year 2007 corresponds to t = 0, then 2012 refers to t = 5. Then the area of the glacier is

G(5) = 142 × 0.956⁵   ⇒   G(5) ≈ 113.39 acres

c. Simply take the difference between G(5) and G(0) :

G(5) - G(0) ≈ 142 - 113.39 ≈ 28.61 acres

d. The average rate of change of G(t) from 2007 to 2012 is given by the difference quotient of G(t) over the interval 0 ≤ t ≤ 5 :

ARC_{[2007,2012]} = \dfrac{G(5) - G(0)}{5 - 0} \approx \dfrac{113.39 - 142}5

so that ARC ≈ -5.72 acres/year. This rate tells us that a little less than 6 acres of glacial ice is lost each year, based on the reduction over the first 5 years.

e. The year 2017 refers to t = 10, so now we compute

ARC_{[2012,2017]} = \dfrac{G(10) - G(5)}{10 - 5} \approx \dfrac{90.55-113.39}5

which comes out to about ARC ≈ -4.57 acres/year. Since this rate is smaller than the ARC between 2007 and 2012, this means that the glacial ice is disappearing at a slower rate in later years.

8 0
2 years ago
What are the prime factors of 74?
PtichkaEL [24]
74 =  2 * 37
Divisors  1,2,37.74
I really hopes this helps.
8 0
3 years ago
-3 &lt; n &lt; 4 n is an integer<br> write down all the possible values of n
STALIN [3.7K]
-2 , -1 , 0 , 1 , 2 , 3 these are the possible values of n :))
i hope this is helpful 
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3 0
3 years ago
A construction company is setting up signs on 4 miles of the road. If the company places a sign every 1/8 of a mile, how many si
olasank [31]

Answer:32

Step-by-step explanation:

4 × 1/8 =32

5 0
3 years ago
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