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lidiya [134]
3 years ago
13

} " alt=" \sqrt{ \frac{3}{16} } " align="absmiddle" class="latex-formula">
Rational or irrational?
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
7 0
Hello!
When you have a non-exact root (irrational number)

\sqrt{ \frac{3}{16} } \to  \frac{ \sqrt{3} }{ \sqrt{16} } \to  \boxed{\boxed{\frac{ \sqrt{3} }{4} }}\Longleftarrow(irrational\:number)\end{array}}\qquad\quad\checkmark
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Nuts cost 0.75 for 3 pounds find the unit rate in dollars per pound
spin [16.1K]
Alright, so here, we can simply divide 0.75/3=0.25 due to that we need to find  that we need to find the unit rate of each pound, and we have 3, so we need to divide by 3
5 0
3 years ago
The Hudson Bay tides vary between 3 feet and 9 feet. The tide is at its lowest point when time (t) is 0 and completes a full cyc
BaLLatris [955]

Answer:

y(t)= 6-3cos(\dfrac{2\pi}{14}t )

Step-by-step explanation:

The function that could model this periodic phenomenon will be of the form

y(t) = y_0+Acos(wt)

The tide varies between 3ft and 9ft, which means its amplitude A is

A =\dfrac{(9-3)ft}{2} \\\\\boxed{A = 3ft}

and its midline y_0 is

y_o=3+3 \\\\\boxed{y_o= 6ft}.

Furthermore, since at t=0 the tide is at its lowest ( 3 feet ), we know that the trigonometric function we must use is -cos(\omega t).

The period of the full cycle is 14 hours, which means

\omega t =2\pi

\omega (t+14)= 4\pi

giving us

\boxed{\omega = \dfrac{2\pi}{14}.}

With all of the values of the variables in place, the function modeling the situation now becomes

\boxed{y(t)= 6-3cos(\dfrac{2\pi}{14}t ).}

8 0
3 years ago
Can any one help with this one ?​
loris [4]

Answer:

48,000

Step-by-step explanation:

320,000÷100=3200

1/100=3200

×15=48,000

therefore 15/100=48,000

7 0
3 years ago
Read 2 more answers
If u need points just answer this
sasho [114]

OK im answering ............................................................................................................

5 0
3 years ago
Read 2 more answers
How many seconds are in 35 min
GenaCL600 [577]

Answer:

2100

Step-by-step explanation:

Key: there are 60 secondes in a minute

60x35= 2100

3 0
3 years ago
Read 2 more answers
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