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3 years ago

Will mark BRAINLIEST!!!

Mathematics

2 answers:

sergiy2304 [10]3 years ago

8 0

Your answer should be c ....................

guapka [62]3 years ago

8 0

Answer:

$\frac{\sqrt[4]{3} }{4xy^{2} }$ Your answer should be C.

Step-by-step explanation:

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mel-nik [20]

1/4 ….

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2 years ago

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Which linear function is directly proportional?

spayn [35]

Answer:

y=3*2+2

Step-by-step explanation:

y=3*2+2

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3 years ago

Store A sells boxes of rice for $2.50 each.

lawyer [7]

The answer I think is 5 because

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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

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

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4 years ago

HELP

Nastasia [14]

Answer: The answer is D

Step-by-step explanation: 12x means 12 times x, which means her age is 12 times her brother's age.

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3 years ago