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Svetradugi [14.3K]
2 years ago
10

Pls show your work! And write a proper answer! Thx

Mathematics
1 answer:
Zinaida [17]2 years ago
6 0

Answer:

1. 4/18

2. 1/32

3. 2/6

Step-by-step explanation:

1. 2x2= 4

  3x6=18

4 is the numerator

18 is the denominator

2. 1x1=1

   4x8=32

1 is the numerator

32 is the denominator

3. 1x2=2

   2x3=6

2 is the numerator

6 is the denominator

hope that helps

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.The endpoints of AB are A(1,4) and B(6,-1).
Brums [2.3K]

Answer:

5√2

Step-by-step explanation:

<u>Finding</u><u> </u><u>distance</u><u> </u><u>:</u><u>-</u><u> </u>

  • d = √{ ( 1 -6)² + (4+1)²}
  • d = √{ -5² + 5² }
  • d = √{ 25 + 25}
  • d = √50
  • d = 5√2
4 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

6 0
4 years ago
What is the value of this expression when a=20
Aloiza [94]

Answer:

20

Step-by-step explanation:

A=20

4 0
3 years ago
Maria tenia 6.500kg de patatas. Las envaso en sacos de 25kg y los puso a la venta a 30$ cada uno. Vendio la mitad de los sacos a
mojhsa [17]

Responder:

$ 7540

Explicación paso a paso:

Dado que:

Kilogramos totales de papa = 6500

Número de kilogramos por paquete = 25

Precio por paquete = $ 30

La mitad se vendió a $ 30

El resto se vende a ($ 30 - $ 2)

Número total de paquetes de 25 kg:

6500 kg / 25 kg = 260 paquetes

Por lo tanto, paquete total = 260 paquetes

La mitad se vende a $ 30:

(260/2) * 30

130 * $ 30 = $ 3900

Resto vendido a $ 28:

(260 - 130) * $ 28

130 * $ 28 = $ 3640

Cantidad total realizada:

$ (3640 + 3900) = $ 7540

8 0
3 years ago
Order the following numbers from least to greatest. -14 1/5,<br> -14.04,<br> -14.4
Ilya [14]

Answer:

-14.4, -14 1/5, -14.04

Step-by-step explanation:

1/5=0.2

-14..04 is closest to 0 on a number line

the more i think about it the more i doubt myself but i hope its right. pretty sure it is.  

3 0
3 years ago
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