3 years ago

This should be easy for me but i forgot how

1 answer:

5 0

E is currently at (-5, 1). However, the dilation multiplies the distance between this point and the origin by six, resulting in (-30, 6) as the final coordinates.

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Please helloollllllppppp

ipn [44]

Total blocks = 35+47+22+21 = 125

Sum of red blocks and green blocks = 47+35 = 82

So the probability = 82/125 = 0.656

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3 years ago

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Y-3=-3y-43 solve the equation

Sonja [21]

Y-3=-3y-43
4y-3=-43
4y=-46
y=-11.5

8 0

3 years ago

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Item 4

mars1129 [50]

I’m pretty sure its B

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2 years ago

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Convert the mixed number 3¼ to a percent. <br> A. 314% <br> B. 333% <br> C. 375% <br> D. 325%

vfiekz [6]

Multiply 3.25 by 100 then simplify 325% The answer is D.

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3 years ago

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Evaluate the line integral, where c is the given curve. c y3 ds,

postnew [5]

Parameterizing $\mathcal C$ by

$\mathbf r(t)=(t^3,t)$

with $0\le t\le2$ , we have

$\mathrm ds=\|\mathbf r'(t)\|\,\mathrm dt=\sqrt{(3t^2)^2+1^2}\,\mathrm dt=\sqrt{9t^4+1}\,\mathrm dt$

So

$\displaystyle\int_{\mathcal C}y^3\,\mathrm ds=\int_{t=0}^{t=2}t^3\sqrt{9t^4+1}\,\mathrm dt$
$=\displaystyle\frac1{36}\int_0^236t^3\sqrt{9t^4+1}\,\mathrm dt$
$=\displaystyle\frac1{36}\int_{u=1}^{u=145}\sqrt u\,\mathrm du$
$=\dfrac{145^{3/2}-1}{54}$

5 0

3 years ago