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3 years ago

-9.5 is less than or greater than -9.6

Mathematics

2 answers:

ratelena [41]3 years ago

6 0

Greater than because they are negative

antoniya [11.8K]3 years ago

6 0

Answer:

-9.5 is greater than -9.6

Step-by-step explanation:

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The gcf of 42 and 70 is

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The gcf of 42 and 70 is 14

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3 years ago

Read 2 more answers

Consider the force field and circle defined below.

grin007 [14]

By Green's theorem,

$\displaystyle\int_{x^2+y^2=9}\vec F(x,y)\cdot\mathrm d\vec r=\iint_D\left(\frac{\partial(xy)}{\partial x}-\frac{\partial(x^2)}{\partial y}\right)\,\mathrm dx\,\mathrm dy=\iint_Dy\,\mathrm dx\,\mathrm dy$

where $C$ is the circle $x^2+y^2=9$ and $D$ is the interior of $C$ , or the disk $x^2+y^2\le1$ .

Convert to polar coordinates, taking

$\begin{cases}x=r\cos\theta\\y=r\sin\theta\end{cases}\implies\mathrm dx\,\mathrm dy=r\,\mathrm dr\,\mathrm d\theta$

Then the work done by $\vec F$ on the particle is

$\displaystyle\iint_Dy\,\mathrm dx\,\mathrm dy=\int_0^{2\pi}\int_0^3(r\sin\theta)r\,\mathrm dr\,\mathrm d\theta=\left(\int_0^{2\pi}\sin\theta\,\mathrm d\theta\right)\left(\int_0^3r^2\,\mathrm dr\right)=\boxed0$

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3 years ago

Jim and Andrew have 72 to bake. Jim bakes 1/2 of the cookies. Andrew bakes 4/9 cookies. How many cookies are left to bake?

Pavel [41]

Answer:

68 cookies

Step-by-step explanation:

72 x (1/2+4/9)= 68

There are 68 cookies left to bake

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3 years ago

The diameter of the circle below is 42 cm. Work out the radius of the circle.

creativ13 [48]

Answer:

r = 21 cm

Step-by-step explanation:

The radius of a circle is 1/2 of the diameter

r = 1/2d

r = 1/2(42)

r = 21 cm

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