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BARSIC [14]
2 years ago
12

Please please help me with this no links please

Mathematics
1 answer:
sveticcg [70]2 years ago
4 0
I think the answer is 90
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A chemist claims that he has found a chemical formula that will kill a certain bacteria. He claims it will kill half the bacteri
Alex73 [517]

Answer:

4 Minutes = 240 seconds = 6*40 seconds

30*(1/2)^6 = 30*1/64 = 30/64 = 15/32 = 0.5

4 minutes later there is approx. 0 to 1 bacteria alive.

7 0
3 years ago
What is the amplitude of the function ?
koban [17]

Answer:

3

Step-by-step explanation:

First, find the midline by averaging the highest value (2) and the lowest value (-4). In other words, do (2+-4)/2. You get the midline as -1. Now find the distance from the midline to the top. Distance from -1 to 2 is 3. Amplitude is therefore 3.

4 0
3 years ago
You spin the spinner shown below once. Each sector shown has an equal area. <br> What is P (beaver)
4vir4ik [10]

Answer:

4/5

Step-by-step explanation:

5 0
3 years ago
9 of 12
Deffense [45]

Answer:

40 flapjacks

Step-by-step explanation:

Given the recipe :

Recipe: Makes 10 flapjacks

120 g margarine

100 g sugar

150 mL syrup

225 g oats

40 g sultanas

Given that all other ingredients are kept Constant.

225g of oats produces 10 flapjacks

0.9 kg of oat = 0.9 * 1000 = 900g oat

If :

225 g = 10 flapjacks

900 g = x

Cross multiply :

225x = 900 * 10

225x = 9000

x = 9000 / 225

x = 40

40 flapjacks

7 0
3 years ago
It costs $12.50 to enter an amusement park and $1.50 to play each game. Solve an inequality to find the number of games, g, Cole
Artist 52 [7]

Answer:

15 games or fewer

Step-by-step explanation:

Cole has $35 to spend, so his admission to the park ($12.50) plus the number of games that he can play for $1.50 each must be less than or equal to $35. If "g" represents the number of games that Cole can play, then his "game tab" would be 1.5 x g. So, the inequality would be:

Admission + game tab ≤ 35  or

12.50 + (1.5 x g) ≤ 35

Subtracting 12.5 from each side of the inequality, we have:

1.5 x g ≤ 22.50

Dividing both sides by 1.5, we have:

g ≤ 15

So Cole can play 15 games or fewer.

7 0
3 years ago
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