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4 years ago

Find x and y in the diagram. justify your answer

Mathematics

1 answer:

lord [1]4 years ago

5 0

Set x to 0 to find the y value or set y to 0 to find the x value

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Can someone help me 100 points have to turn them all into scientific notation

creativ13 [48]

Answer:

5.7909000*10^7=Mercury

1.08208930*10^8=Venus

1.49600000*10^8=Earth

7.785472000*10^9=Jupiter

2.871000000*10^9=Uranus

4.495000000*10^9=Neptune

Step-by-step explanation:

All I was taught in math class was to count the places until it is between one and ten and how many places is your exponent after 10.

7 0

3 years ago

Read 2 more answers

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = ln(3x),

denis23 [38]

Using the disk method, the volume is obtained with the integral

$\displaystyle\pi\int_{y=1}^{y=5}\left(\frac{e^y}3\right)^2\,\mathrm dy=\frac\pi9\int_1^5e^{2y}\,\mathrm dy$

The radius of each disk is given by the horizontal distance from the axis of revolution, $x=0$ , to the logarithmic curve which we can write as a $x(y)$ :

$y=\ln(3x)\implies e^y=e^{\ln3x}=3x\implies x=\dfrac{e^y}3$

Then the volume of one such disk is $\pi x(y)^2$ .

The volume of the entire solid would be

$\displaystyle\frac\pi9\int_1^5e^{2y}\,\mathrm dy=\frac\pi{18}\int_1^52e^{2y}\,\mathrm dy=\frac\pi{18}\int_1^5e^{2y}\,\mathrm d(2y)$

$=\dfrac\pi{18}\left(e^{10}-e^2\right)$

7 0

3 years ago

How do you write 89,637,421 in word and expanded form

AnnyKZ [126]

Expanded: 80,000,000+9,000,000+600,000+30,000+7,000+400+20+1

8 0

4 years ago

Read 2 more answers

-BARSIC- [3]

Answer:

Step-by-step explanation:

just substitute the numbers and if both sides equals, then its correct

6 0

3 years ago

Sheila has 14 1/2 pounds of potato salad. She wants to divide the potato salad into containers, each of which holds 1 1/4 pounds

Lorico [155]

I would divide 14.5 by 1.25
That gives you 11.6. Round that up to 12 containers

6 0

3 years ago