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3 years ago

Is number 3 true or false

Mathematics

1 answer:

iren2701 [21]3 years ago

3 0

If he has to deduct again the 2,300, the 1,500 is correctBut if there is no deduction, then this year taxes paid quarterly will be :.
6500/4 = 1,625
(The problem is not clear at all)

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Express the integral as an iterated integral in six different ways, where E is the solid bounded by y=4-x^2-4z^2 and y=0

zmey [24]

Assuming you need the integral expressing the volume of $E$ , the easiest setup is to integrate with respect to $y$ first.

This is done with either

$\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_{-2}^2\int_0^{4-x^2-z^2}\mathrm dy\,\mathrm dx\,\mathrm dz$
$\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_{-2}^2\int_0^{4-x^2-z^2}\mathrm dy\,\mathrm dz\,\mathrm dx$

Thanks to symmetry, integrating with respect to either $x$ or $z$ first will be nearly identical.

First, with respect to $x$ :

$\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_0^4\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-z^2}}\mathrm dx\,\mathrm dy\,\mathrm dz$
$\displaystyle\iiint_E\mathrm dV=\int_0^4\int_{-2}^2\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-z^2}}\mathrm dx\,\mathrm dz\,\mathrm dy$

Next, with respec to $z$ :

$\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_0^4\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-x^2}}\mathrm dz\,\mathrm dy\,\mathrm dx$
$\displaystyle\iiint_E\mathrm dV=\int_0^4\int_{-2}^2\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-x^2}}\mathrm dz\,\mathrm dx\,\mathrm dy$

5 0

3 years ago

H(x)=4/x-5 determine for each x-value whether it is in the domain of h or not

Colt1911 [192]

Answer:

Simplify:

Step-by-step explanation:

Simplify:

4 0

3 years ago

June had $240 more than Siti. Junr gave 25% of her money to Siti. Siti then gave 20% of her money to June. How much more money d

bulgar [2K]

Answer:

$144

Step-by-step explanation:

Let the money which Siti has be x

Therefore, the money June has will be x+240

First condition is that June gave 25% of her money to Siti, So this amount will be deducted from June's money and will be added in Siti's money.

Siti's money = x+ [25%(x+240)] June's money = x+240-[25%(x+240)]

= 1.25x + 60 = 0.75x + 180

Second condition is that Siti now gave 20% of her money to June.This amount will be deducted form Siti's money and added in June's money.

Siti's money = 1.25x+60-[20%(1.25x+60)]

= x+48

June's money = 0.75x +180+[20%(1.25x+60)]

= x+192

Difference between Sitit and June's money = x+192-x-48

= 144

Hence, June has $144 more money than Siti.

4 0

3 years ago

The price of a holiday was decreased by 12% to £600. What was the price before

Naya [18.7K]

Answeidk i tried to read it but I dont getit

Step-by-step explanation:

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3 years ago

Which expression models the following<br> phrase: "an hourly wage of $12.75"?

inessss [21]

Answer:

h = number of hours worked

m = total wage of worked hours

12.75h = m

8 0

4 years ago