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masya89 [10]
3 years ago
13

PLEASE HELP DUE SOON

Mathematics
1 answer:
Sever21 [200]3 years ago
6 0

Answer:

B

Step-by-step explanation:

if you read the question it says that 3 is a 0 of f, so f(3) would be 0.

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30 points math question HELP PLEASE! will give brainliest!
Zepler [3.9K]

Answer:

F'=12.1243557 N

Step-by-step explanation:

Let the horizontal component of force he is pulling with be F' Newtons and the force applied be F Newtons.

\therefore \cos \theta = \frac{Horizontal \: Force}{Force \: applied}

\therefore \cos \theta =  \frac{F'}{F}

\therefore F'=F\cos \theta

\therefore F'=14.\cos 30\degree

\therefore F'=14.\frac{\sqrt 3}{2}

\therefore F'=7\sqrt 3

\therefore F'=12.1243557 \: N

5 0
3 years ago
3/4 : 12 = 3n solve using cross method
ANTONII [103]

Answer:

N = 1/48

Step-by-step explanation:

In pic

(hope this helps can I pls have brainlist  (crown) ☺️

7 0
3 years ago
A culture started with 4,000 bacteria. After 5 hours, it grew to 4,800 bacteria. Predict how many bacteria will be present after
eimsori [14]
First we need to find k ( rate of growth)
The formula is
A=p e^kt
A future bacteria 4800
P current bacteria 4000
E constant
K rate of growth?
T time 5 hours
Plug in the formula
4800=4000 e^5k
Solve for k
4800/4000=e^5k
Take the log for both sides
Log (4800/4000)=5k×log (e)
5k=log (4800/4000)÷log (e)
K=(log(4,800÷4,000)÷log(e))÷5
k=0.03646

Now use the formula again to find how bacteria will be present after 15 Hours
A=p e^kt
A ?
P 4000
K 0.03646
E constant
T 15 hours
Plug in the formula
A=4,000×e^(0.03646×15)
A=6,911.55 round your answer to get 6912 bacteria will be present after 15 Hours

Hope it helps!
4 0
4 years ago
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Which equation represents circle C?
OleMash [197]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
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What was the date of when the "Little Rock Nine" students entered a white public school?
Alika [10]

Answer: 1957

Step-by-step explanation:

3 0
3 years ago
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