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Genrish500 [490]

2 years ago

9

The table shows the rate at which water is being pumped into a swimming pool. Use the unit rate and the amount of water pumped a

fter 12 minutes to find how much water will have been pumped into the pool after 14 minutes. Complete the explanation of your reasoning

1 answer:

Blizzard [7]2 years ago

8 0

Answer:

an additional 60 gallons will be pumped in and a total of 348

Step-by-step explanation:

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If f (x)=3x, g(x)=x-3, and h(x)= square root of x, find (fogoh)(25)

Lelu [443]

(f o g o h)(x) = f { g [ h(x) ] }

Which means: apply first function h, then apply function g to the result, and finally apply function f to the new result.

h(25) = √25 = 5

g(5) = 5 - 3 = 2

f(2) = 3(2) = 6.

Answer: 6

8 0

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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3 years ago

Michelle buys a motorcycle for $10,000. The motorcycle loses 20% of its value each year. The depreciation of the motorcycle is s

makkiz [27]

You can use cross product to slove this equation.

3 0

3 years ago

Choose an equation in slope-intercept form for the line that passes through (-8,1) and is perpendicular to the y=2x-17.

N76 [4]

<span>y= -(1/2)x - 5

I think :P</span>

7 0

3 years ago

How many kilometers are there ??

irinina [24]

Answer:

20

Step-by-step explanation:

1 hour=2 kg

10 hrs=10×2=20

Mark as brainliest please!

5 0

3 years ago