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3 years ago

Can two fractions with the same numerator and different denominators be equal?

Mathematics

1 answer:

Ede4ka [16]3 years ago

8 0

Answer:

Step-by-step explanation:

You can only have the same denominator

Example:

2 3 5

- + - = -

9 9 9

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A quadrilateral is ____ a parallelogram

grandymaker [24]

I believe it's always a parallelogram??

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3 years ago

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Ben drove 230 kilometers in 3 hours, and Pia drove 250

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Answer:

Pia drove faster

Step-by-step explanation:

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Pia drove farther in 3 hours, so drove faster.

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2 years ago

One survey estimates that, on average, the retail value of a mid-sized car decreases by 8% annually. If the retail value of a ca

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3 years ago

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Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of

Maru [420]

Parameterize $S{/tex] by[tex]\vec s(u,v)=u\,\vec\imath+v\,\vec\jmath+(8-u^2-v^2)\,\vec k$

with $0\le u\le1$ and $0\le v\le1$ .

Take the normal vector to $S$ to be

$\vec s_u\times\vec s_v=2u\,\vec\imath+2v\,\vec\jmath+\vec k$

Then the flux of $\vec F$ across $S$ is

$\displaystyle\iint_S\vec F\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_u\times\vec s_v)\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^1\int_0^1(uv\,\vec\imath+v(8-u^2-v^2)\,\vec\jmath+u(8-u^2-v^2)\,\vec k)\cdot(2u\,\vec\imath+2v\,\vec\jmath+\vec k)\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^1\int_0^1\bigg(2u^2v+(u+2v^2)(8-u^2-v^2)\bigg)\,\mathrm du\,\mathrm dv=\boxed{\frac{1553}{180}}$

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3 years ago

If a theater holds 1800 and sells 1/3 of its seats how many tickets does it sell

kozerog [31]

Hey!

A theater holds 1,800 seats. It sells 1/3 of it. That means you have to find 1/3 of 1,800

$\frac{1800}{1} \times \frac{1}{3} = \frac{1800}{3} = 600$

<em>That means the theater sells 600 seats.</em>

$\framebox{Answer = 600 seats}$

7 0

3 years ago