3 years ago

if you substract 1/2 from a number and multiply 1/2 from the result you get 1/8 . what is the number

Mathematics

1 answer:

qwelly [4]3 years ago

5 0

3/4

Three fourths subtracted from one half is one fourth. One fourth times one half is one eighth.

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Hallar la ecuación de la recta que pasa por los puntos A(1,3) y B(3,7). Representarla gráficamente. Indicar su pendiente.

Fynjy0 [20]

Answer:

Step-by-step explanation:

la recta:

$y-yo=m(x-xo)$ (*)

P=(xo,yo)

$m=\frac{Ya-Yb}{Xa-Xb}$

substituindo:

$m=\frac{3-7}{1-3}\\\\m=2$

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2 years ago

Simplify (2√27) x (3√32)

Kryger [21]

For this case we have the following expression:

$(2 \sqrt {27}) (3 \sqrt {32})$

We have to:

$27: 3 * 3 * 3: 3 ^ 2 * 3\\32: 16 * 2: 4 ^ 2 * 2$

Rewriting the expression and simplifying we have:

$(2 \sqrt {3 ^ 2 * 3}) (3 \sqrt {4 ^ 2 * 2}) =\\(2 * 3 \sqrt {3}) (3 * 4 \sqrt {2}) =\\(6 \sqrt {3}) (12 \sqrt {2}) =\\72 \sqrt {3 * 2} =\\72 \sqrt {6}$

Answer:

$72 \sqrt {6}$

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3 years ago

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seraphim [82]

Answer:

Step-by-step explanation:

The surface area of a rectangular prism has six sides so you must find the sum of the areas of all sides.

A=2xy+2xz+2yz

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A=2(3(2)+3(4)+2(4))

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A=2(26)

A=52 cm^2

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3 years ago