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3 years ago

Write the equation that represents the line graphed below

Mathematics

1 answer:

rodikova [14]3 years ago

7 0

Answer:

(2,-6)

Step-by-step explanation:

If it's not that then(-6,2)

But if it's not either i'm sorry

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Let c be the curve of intersection of the parabolic cylinder x2 = 2y, and the surface 3z = xy. find the exact length of c from t

Bingel [31]

Let $x=t$ , so that

$x^2=2y\implies t^2=2y\implies y=\dfrac{t^2}2$

$3z=xy\implies3z=\dfrac{t^3}2\impiles z=\dfrac{t^3}6$

Then the length of the path is

$\displaystyle\int_{t=0}^{t=4}\sqrt{\left(\frac{\mathrm dx}{\mathrm dt}\right)^2+\left(\frac{\mathrm dy}{\mathrm dt}\right)^2+\left(\frac{\mathrm dz}{\mathrm dt}\right)^2}\,\mathrm dt$
$=\displaystyle\int_0^4\sqrt{1+t^2+\frac{t^4}4}\,\mathrm dt$
$=\displaystyle\frac12\int_0^4\sqrt{4+4t^2+t^4}\,\mathrm dt$
$=\displaystyle\frac12\int_0^4\sqrt{(t^2+2)^2}\,\mathrm dt$
$=\displaystyle\frac12\int_0^4(t^2+2)\,\mathrm dt$
$=\dfrac{44}3$

8 0

4 years ago

Help help help help help help

ivann1987 [24]

Answer:

70.2

Step-by-step explanation:

28.08 / 0.4 = 70.2

5 0

3 years ago

Mr. Brown owned a house, which he rented for $60 a month. The house was assessed at $9000. In 1975 the rate of taxation was incr

Alexandra [31]

We first calculate the percentage increase on the tax

Old value = 25×9 = 225 ⇒ The value 9 represents the 9 lots of thousands of the house's value
New value = 28×9 = 252

Increase in tax = 252 - 225 =27
Percentage increase = (27÷225) ×100 = 12%

The amount of yearly rent would be then increased by 12%

Monthly rent = $60
Yearly rent = 60×12 = $720
Increase by 12% = 720×1.12 = 806.4 ⇒ The value 1.12 is the multiplier, obtained from 100%+12%=112%=1.12

The monthly rent is 806.4÷12 = $67.20 which is an increase of $7.20 per month

5 0

3 years ago

Write a power that has a value greater than 190 and less than 200

Julli [10]

199 is greater than 190, and less than 200.

3 0

3 years ago

Read 2 more answers

I need help checking these

insens350 [35]

Answer:

180cm^2 & 472ft^2

Step-by-step explanation:

answer of 16 number

h2=p2+b2 ,therefore

h=100+80

h=180

answer of question 17

h2=p2+b2

576=p2+104

576-104=p2

472=p2

6 0

3 years ago

Write the equation that represents the line graphed below​

Write the equation that represents the line graphed below