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ipn [44]
3 years ago
11

The amount of mites that survive a new cancer treatment can be modeled by Y = 25(0.5)x Determine which number represents the dec

ayed rate
Mathematics
1 answer:
Maslowich3 years ago
4 0

Answer:

Step-by-step explanation:

it is 0.5 since

y=25(0.5)x

since x is a variable that change usually describes the independent variable, and 25 is the sample that starts with, so 0.50 is the number that represent the decayed rates.

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I mainly need help on 2 please thanks for the first one though
sleet_krkn [62]
2) 1 4/5

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7 0
3 years ago
Pls solve question 4b. Verrry urgent . Ok tyy
kodGreya [7K]

Answer:

y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}

Step-by-step explanation:

Given equation:

y = 3x^2 - 9x + 17

Factor out 3 from the first 2 terms:

y = 3(x^2 - 3x) + 17

Divide the coefficient of x by 2 and square it:  (-3 ÷ 2)² = 9/4

Add this inside the parentheses and subtract the distributed value of it outside the parentheses:

y = 3\left(x^2 - 3x+\dfrac{9}{4}\right) + 17-\dfrac{27}{4}

Factor the parentheses and combine the constants:

y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}

8 0
2 years ago
What is the value of x in the equation 3X minus 4Y equals 65, when Y equals four
Vika [28.1K]

Answer:

Step-by-step explanation:

3x-4y=65

3x=65+4y

x=(65+4y)/3, when y=4

x=(65+4*4)/3

x=(65+16)/3

x=81/3

x=27

8 0
3 years ago
Read 2 more answers
Solve : 1+8n=13+6n help???
ANTONII [103]
1+8n=13+6n
1+8n=13-6n
   -6n
1+2n=13
-1       -1
2n=12
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4 0
3 years ago
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I really suck at math. please help =)
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Check the picture below.

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