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3 years ago

Can you guys help me?

Mathematics

1 answer:

Simora [160]3 years ago

8 0

8 if not then i’m sorry

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True False x-sqrt6 is a factor of x^4-36

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True because it wouldn’t have made since if it was false

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3 years ago

In the month of June, the temperature in Johannesburg, South Africa, varies over the day in a periodic way that can be modeled a

Art [367]

Answer:

The answer is " $\bold{T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5}$ "

Step-by-step explanation:

Given value:

Temp-maximum= $18^{\circ}$

Temp. minimum = $3^{\circ}$

It is halfway between 10 am and 10 pm to 4 am.

The sinus and cosine roles could be used throughout the year to predict fluctuations in climate models. Its type of formula that can be used to model such information is:

$T = A \cos B(t-C) + D,$ where parameters are A, B , C, D, T is the ° C temperature and t is the time (1-24)

$A = amplitude = \frac{(T_{max} - T_{min})}{2}\\\\$

$= \frac{(3 - 18)}{2}\\\\= - \frac{15}{2}\\\\ = -7.5$

$B = \frac{2 \pi}{24}\\\\$

$= \frac{\pi}{12}$

$C = \text{ units translated to the right}= 4$

$D = y_{min} + amplitude = units \ translated \ up\\\\$

D = 7.5 + 3 = 10.5

Its trigonometric function equation that model temperature T hours after midnight in Johannesburg t.

$T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5$

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4 years ago

The students at Kayla's school are forming teams of three students for a quiz bowl competition. Kayla is assuming that each memb

scZoUnD [109]

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4 years ago

What percent is equivalent to 12/30 ? 12% 30% 40% 60%

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12/30 is = 0.4 x 100 = 40% can I have brainliest if its right?

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3 years ago

Read 2 more answers

Tan A = opp/adj equals to what

vaieri [72.5K]

Answer:

I need more information to answer this. Please provide more context

Step-by-step explanation:

SOHCAHTOA

SIN: Opposite/hypo

COS: Adj/Hyp

TAN: Opp/Adj

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3 years ago