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Brut [27]
3 years ago
15

Which of the following is the graph of f(x) = 3 sin (2x)? (2 points)

Mathematics
1 answer:
TEA [102]3 years ago
4 0

Answer:

Step-by-step explanation:

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If f =28 when a = 7 find f when a is 10 (direct proportion) ​
QveST [7]

Answer:

f=40

Step-by-step explanation:

f=28, a=7

f \infty a \\ f = ka \\28 = k(7) \\ 28 = 7k \\  \frac{28}{7}  =  \frac{7k}{7}  \\ 4 = k \\ k = 4 \\ f = 4a \\ a = 10 \\ f = 4(10) \\ f = 40

Hope that this is helpful.

Have a nice day.

6 0
3 years ago
Read 2 more answers
My brother is 4 years younger than my sister and 5 years older than me in 2 years. If I am 15 now how old will my sister be when
Virty [35]
Your sister is 24. Your brother is 20. You are 15. Therefore, your sister will be 48 years old. I’m 87% sure I did this right. Lol, good luck.
6 0
3 years ago
The amount of bacteria in a petri dish increases at a rate proportional to the amount present. At time t=0, the amount of bacter
Lilit [14]

Answer:

Step-by-step explanation:

Formula to be used is N=N0e^(kt)

N0 - amount of bacteria at time 0, which is 10g

t=2, 30g

30 = 10*e^(k*2)

3 = e^(2k)

2k = ln3

k = 0.5ln3

At t=6:

N = 10*e^(0.5ln3*6)

N = 10e^(3ln3)

N = 10e^ln27

N = 10*27 =270

So the amount of bacteria at t=6 is 270

6 0
3 years ago
Express in scientific notation.<br><br> 0.041
lubasha [3.4K]

Answer:

4.1 x 10^-2

Step-by-step explanation:

7 0
3 years ago
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Rewrite this decimal fraction as a decimal number.
Charra [1.4K]

Answer:

14.25

Step-by-step explanation:

14 25/100= 14*100+25/100=

1400+25/ 100

= 1425/100

= 14.25

8 0
3 years ago
Read 2 more answers
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