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vodomira [7]
3 years ago
7

Add the expression (1/5t+1/3s)and (-3+1/5s+1/2t)

Mathematics
1 answer:
olasank [31]3 years ago
7 0

Answer:

84t+64s-360

Step-by-step explanation:

Multiply through by a common factor

120×(1/5t+1/3s) + 120(-3+1/5s+1/2t)

(24t+40s) + (-360+24s+60t)

Group like terms

24t+60t+40s+24s-360

84t+64s-360

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Is the equation true or false
Reil [10]

Answer:

all are true

Step-by-step explanation:

if that blank spot is where youre supposed to put true or false, then yeah if you mulitply them they equal eachother for every equation

5 0
3 years ago
Calcula el ancho de un terreno rectangular si el largo mide 20 metros y la superficie es de 280 metros cuadrados
Anna35 [415]

Answer:14 m

Step-by-step explanation:

Dada

larga l=20\ m

superficie A=280\ m^2

Suponga que el ancho es w

La superficie está dada por el producto de la longitud y la anchura.

\therefore A=lw\\\Rightarrow 280=20\times w\\\Rightarrow w=14\ m

Por lo tanto, el ancho es de 14 m.

4 0
3 years ago
Factor completely: 2x4 − 32.
vazorg [7]

Answer:

Option b) is correct.

The completed factor of given expression is  2(x-2)(x+2)(x^2+4)

Step-by-step explanation:

Given expression is 2x^4-32

To find the completed factor for the given expression:

2x^4-32:

Taking the common number "2" outside  to the above expression we get

2x^4-32=2(x^4-16)

Now rewritting the above  expression as below

=2(x^4-2^4)  (since 16 can be written as the number 2 to the power of 4)

=2((x^2)^2-(2^2)^2)

The above expression is of the form a^2-b^2=(a+b)(a-b)

Here a=x^2 and  b=2^2

Therefore it becomes

=2(x^2+2^2)(x^2-2^2)

=2(x^2+4)(x^2-2^2)  

The above expression is of the form a^2-b^2=(a+b)(a-b)

Here a=x and  b=2

Therefore it becomes

=2(x^2+4)(x+2)(x-2)  

=2(x+2)(x-2)(x^2+4)  

Therefore =2(x+2)(x-2)(x^2+4)  

2x^4-32=2(x-2)(x+2)(x^2+4)  

Option b) is correct.

The completed factor of given expression is  2(x-2)(x+2)(x^2+4)

3 0
4 years ago
Read 2 more answers
Y = (25 - 2) (35 - 2).<br> Multiply the binomials.
Dima020 [189]

Answer:  y=759

Step-by-step explanation:

y = (25 - 2) (35 - 2)

y = (23) (33)

y = 759

5 0
3 years ago
Read 2 more answers
Jason bought a table for $98.00. The finance charge was $12 and she paid for it over 10 months. (Finance Ch arg e #Months)(12) t
Natali5045456 [20]

Answer:

Just took the test, the answer is  14.7%

Step-by-step explanation:

3 0
3 years ago
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