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VashaNatasha [74]
4 years ago
10

A type of bacterium triples in population every hour. Assuming you start with

Mathematics
1 answer:
VashaNatasha [74]4 years ago
4 0

Answer:

  7290

Step-by-step explanation:

Put 5 in the formula and evaluate.

  a(5) = 90·3^(5-1) = 90·81 = 7290

There will be 7290 bacteria at the beginning of hour 5.

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Please help I’ll mark brainliest! Thank you and have a great day/night!
Lera25 [3.4K]

Answer:

-10

Step-by-step explanation:

You always want to solve the inner function first.

g(-2)=(-2)³+3

=-8+3

=-5

g(-2)=-5 so you can replace g(-2) with -5

Now you just have f(-5)

Solve.

f(-5)=-5-5

f(-5)=-10

7 0
2 years ago
20 points if you help please!!!!!!!!!!!!
Genrish500 [490]

Answer:

C and E

Step-by-step explanation:

3 0
3 years ago
Carlos works at an art gallery and sells paintings. He earns a 15% commission when his total sales are $5,000 or less. If he mak
GarryVolchara [31]

Answer: It is only 5 points, if it were 20 points, I would answer.

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7 0
4 years ago
The vertical angle to the top of a flagpole from point A on the ground is observed to be 37°11'. The observer walks 17 m directl
inysia [295]

Answer:

22m

Step-by-step explanation:

Let height of flagpole=h

AB==17 m

\angle CAD=37^{\circ}11'=37+\frac{11}{60}=37.183^{\circ}(1 degree= 60 minute)

\angle B=25^{\circ}43'=25+\frac{43}{60}=25.72^{\circ}

We have to find the approximate height of the flagpole.

In triangle CDA,

\frac{CD}{DA}=tan\theta=\frac{Perpendicular\;side}{Base}

\frac{h}{DA}=tan37.183^{\circ}

h=DA(0.759)

In triangle CDB,

tan 25.72^{\circ}=\frac{CD}{DB}

0.482=\frac{h}{DA+17}

0.482DA+8.194=h

Substitute the value

0.482DA+8.194=0.759DA

8.194=0.759DA-0.482DA

8.194=0.277DA

DA=\frac{8.194}{0.277}=29.58

Substitute the value

h=29.58 \times 0.759=22.45 m\approx 22m

Hence, the height of the flagpole=22 m

3 0
3 years ago
Write -9/2 divided by 7/5 as a multiplication expression
nordsb [41]
(-9/2)/(7/5)
= (-9/2)*(5/7)
= -45/14
= -3 3/14

The final answer is -3 3/14~
5 0
4 years ago
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