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Advocard [28]
2 years ago
9

Given 100 grams of bacteria that decreases at the rate of 1/2 per year. What would be an appropriate range after 4 years

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
8 0

Answer: B 0

Step-by-step explanation:

You might be interested in
Help!
nignag [31]

1) 8 + 4 = -5 + 7

     12   =    2

        FALSE

2) y = -11x + 4

(0, -7):   -7 = -11(0) + 4   ⇒   -7 = 0 + 4   ⇒   -7 = 4   False

(-1, -7):  -7 = -11(-1) + 4   ⇒   -7 = 11 + 4   ⇒   -7 = 15   False

(1, -7):  -7 = -11(1) + 4   ⇒   -7 = -11 + 4   ⇒   -7 = -7   True

(2, 26): 26 = -11(2) + 4   ⇒   26 = -22 + 4   ⇒   26 = -18   False

Answer: C

3) Input       Output

     0                0

  <u>   1    </u>             3            

    2             <u>    6  </u>

    3                 9

 <u>   4    </u>          <u>  12   </u>

    5                 15

    6              <u>   18  </u>

Rule: input is being added by 1, output is 3 times x

4) c = 65h

5) 2x = -6

   \frac{2x}{2} = \frac{-6}{2}

    x = -3

6) 8j - 5 + j = 67

        9j - 5 = 67   <em>added like terms (8j + j)</em>

       <u>      +5</u>   <u>+5 </u>

        9j      = 72

       \frac{9j}{9} = \frac{72}{9}

        j      = 8

7) y = mx + b

<u>   -b</u>    <u>      -b  </u>

y - b = mx

\frac{y - b}{x} = \frac{mx}{x}

\frac{y - b}{x} = m

5 0
3 years ago
Which is the graph of the solution to the following compound inequality 7x + &gt; 52 or 3 - x &gt; 9
storchak [24]

Answer:

6x + 2; x = 2; 6(2) + 2 = 12 + 2 = 14

Step-by-step explanation:


6 0
3 years ago
The perimeter of a rectangular playground is 46m. If the length of the park is 7m, what is the width of the park?
HACTEHA [7]

Answer:

16m

Step-by-step explanation:

Since the length of the park is 7m, then the other side is also 7m so 46-14 is 32. So 32/2 is 16.

4 0
2 years ago
This graph shows a proportional relationship.
Artemon [7]
It a keep on the work
7 0
2 years ago
Is y=2x+3 a proportional relationship
lisabon 2012 [21]

answer:

no, it does not represent a proportional relationship because it has a y-intercept therefore it won’t go through the origin.

4 0
2 years ago
Read 2 more answers
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