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belka [17]
3 years ago
5

There is a population of 192,500 bacteria in a colony. If the number of bacteria doubles every 238 minutes, what will the popula

tion be 476 minutes from now?
Mathematics
1 answer:
Gre4nikov [31]3 years ago
4 0

Answer: 770,000

Step-by-step explanation:

Given

The present population of bacteria is 1,92,500

It doubles in every 238 minutes

So, after 238 minutes it is

\Rightarrow 192,500\times 2=385000

After another 238 minutes i.e. 476 minutes from starting, they becomes

\Rightarrow 385000\times 2=770,000

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I got 209.975 units squared
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3 years ago
A guard in a 20m tall watchtower spots a vehicle at an angle of depression oi 25
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Answer:

Solution given:

height[p]=20m

angle of depression [a]=25°

base[b]=?

we have

Tan a=p/b

tan 25=20/b

b=20/tan25

b=42.89 or 43

<u>the tower </u><u>is</u><u> </u><u>4</u><u>3</u><u>m</u><u> </u><u>far</u><u> </u><u>from</u><u> the </u><u>vehicle</u><u> </u><u>.</u>

5 0
3 years ago
Prudence has 12 pairs of gold earrings and 12 pairs of silver earrings in a drawer in her jewelry box. If she randomly pulls six
algol13

Answer:

(D) 3

Step-by-step explanation:

Prudence has 12 pairs of gold earrings and 12 pairs of silver earrings.

Total Number of Earrings =12+12=24

Relative Frequency of Picking a Gold Earrings =12/24= 0.5

If she randomly pulls six pairs of earrings out of the drawer to take with her on a trip

Number of Possible Outcome =Relative Frequency X Number of Trials

=0.5 X 6

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She would most likely take 3 gold earrings.

7 0
3 years ago
HELP ASAP 10 POINTSSSS
dlinn [17]
Answer:
Y= -4 :)

Steps:
Apply rule
-y + 3 = 7
Subtract 3 from both sides
-y + 3 - 3 = 7 - 3
Simplify
-y = 4
Divide both sides by -1
-y/-1 = 4/-1
Simplify
y = -4

7 0
3 years ago
Read 2 more answers
Bernadette works at a Car Lot in Buffalo selling used cars. Each month Bernadette receives $2000 plus she receives a 5% commissi
natta225 [31]

Answer:

The total amount of money Bernadette earned in April was $6200

Step-by-step explanation:

Let us solve the question

∵ Each month Bernadette receives $2000

∵ She also receives a 5% commission for all of her sales

∴ She earns each month = 2000 + 5% of her sales

∵ In April, Bernadette sold $84,000 worth of used cars

→ Multiply it by 5% to find her commission

∴ Her commission = 5% × 84,000

→ Change 5% to decimal by divide it by 100

∵ 5% = 5 ÷ 100 = 0.05

∴ Her commission = 0.05 × 84,000

∴ Her commission = $4200

→ Add her commission to her fixed amount to find her salary in April

∵ She earned in April = 2000 + 4200

∴ She earned in April = 6200

∴ The total amount of money Bernadette earned in April was $6200

3 0
3 years ago
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