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yulyashka [42]
3 years ago
14

Can someone please help me. I’m not quite understanding this problem

Mathematics
2 answers:
tiny-mole [99]3 years ago
8 0

Answer:

okay, so to get A you'll have to add 2 and 1 and get three. So, A equals 3. then to get B you will add 3 and 5 because A equals 3 and that will give you 8. so, B equals 8. To get D you will add 2 and 3. that will make D equals 5. to get C you will get 2. because 3 plus two equals five and because 1 plus 2 equals 3

VashaNatasha [74]3 years ago
4 0

Answer:

A=3

B=8

C=2

D=5

Step-by-step explanation:

hope this helps

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Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 10
WINSTONCH [101]

Answer:

The function for the outside temperature is represented by T(t) = 85\º + 15\º \cdot \sin \left[\frac{t-6\,h}{24\,h} \right], where t is measured in hours.

Step-by-step explanation:

Since outside temperature can be modelled as a sinusoidal function, the period is of 24 hours and amplitude of temperature and average temperature are, respectively:

Amplitude

A = \frac{100\º-70\º}{2}

A = 15\º

Mean temperature

\bar T = \frac{70\º+100\º}{2}

\bar T = 85\º

Given that average temperature occurs six hours after the lowest temperature is registered. The temperature function is expressed as:

T(t) = \bar T + A \cdot \sin \left[2\pi\cdot\frac{t-6\,h}{\tau} \right]

Where:

\bar T - Mean temperature, measured in degrees.

A - Amplitude, measured in degrees.

\tau - Daily period, measured in hours.

t - Time, measured in hours. (where t = 0 corresponds with 5 AM).

If \bar T = 85\º, A = 15\º and \tau = 24\,h, the resulting function for the outside temperature is:

T(t) = 85\º + 15\º \cdot \sin \left[\frac{t-6\,h}{24\,h} \right]

3 0
2 years ago
The slope of (17,2) and (18,-17)
Ahat [919]

<u>m= -19/1</u>

We need to use the slope equation

\frac{y_{2}-y_{1}  }{x_{2}-x_{1} }

We are working with the points,  

 (17,    2)         and      (18,     -17)

  x1    y1                       x2       y2

\frac{-17-2}{18-17}

<u>m= -19/1</u>

4 0
3 years ago
7/9 divided by 3/9 draw a model please help ASAP
Free_Kalibri [48]

Answer:

7/3

Step-by-step explanation:

i hope this works :)

6 0
3 years ago
VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST.
Zepler [3.9K]

C. Reflected over the y-axis and translated up 1 unit

3 0
3 years ago
Read 2 more answers
Please help me with this question.
mixas84 [53]

Answer:

B

Step-by-step explanation:

In a triangle, the sum of any two sides must be bigger than the third.

For the first one, 10+20=30 is not greater than 30, so this is not correct.

For B, 122+137 = 259 > 257, 257+137>122  , and 257 + 122 > 137. This works

For C, 8.6 + 2.7 = 11.3 < 12.2, so this does not work

For D, 1/6 + 1/5 = 5/(6*5) + 6/(6*5) = 5/30 + 6/30 = 11/30 < 1/2 = 15/30, so this does not work

7 0
3 years ago
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