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2 years ago

I need help PLZZZ!!! Subtract -5-(-6)=

Mathematics

2 answers:

Snezhnost [94]2 years ago

8 0

Answer:

s1: -5-(-6)

s2: -5 + 6. multiply minus with minus first

s3: +1. simply arthmatic.

USPshnik [31]2 years ago

4 0

Answer:

1 is the answer

Step-by-step explanation:

-5-(-6) = x

-5 + 6 = x

1 = x

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2 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.

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

6 0

3 years ago

Help please!!!!!!!!!!!!

matrenka [14]

Answer:

your answer is as follows

Step-by-step explanation:

5x+20=3x+60

2x=40

x=20

(equating the slopes)

8 0

2 years ago

Please help with this problem <br> 2x/3−6=4

Zarrin [17]

2x/3-6=4. 2x/3=4+6. 2x/3=10. 2x=10*3. 2x=30. X=30/2. x=15.

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3 years ago

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Can you pls help me thank you have a good day

expeople1 [14]

Answer:

the slope is 3/1 so if the point before your answer is (2,6) the add 3 to six and 1 to 2 and your answer is (3,9).

hope this helps

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2 years ago

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