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3 years ago

Can someone help me:(

Mathematics

2 answers:

Ugo [173]3 years ago

8 0

Answer:

x = 50

Step-by-step explanation:

Multiply both sides by the inverse of 1/5.

The inverse just changes the denominator and numerator.

So, 1/5 changes to 5/1.

Now multiply it on both sides:

$(\frac{5}{1}) \frac{1}{5}x = 10 (\frac{5}{1})\\x = 50$

Therefore, the answer to your question is x = 50.

Check:

$\frac{1}{5} (50) = 10\\\\\frac{50}{5} = 10\\\\10 = 10$

Hope this helps!!

- Kay :)

sweet-ann [11.9K]3 years ago

4 0

Answer:

x=50 SO EASY

Step-by-step explanation:

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shusha [124]

Answer:Jake's total cost is $22.05

Step-by-step explanation:

The initial price of the sweater is $30. The store is having a sell that will reduce the price by 30%. This means that there is a reduction in the original amount of the sweater by 30% which is expressed as

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The new price of the sweater would be 30 - 9 = $21

Since a sales tax of 5% will be added to the final purchase price, the value of the tax would be

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3 years ago

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saw5 [17]

Treat $\mathcal C$ as the boundary of the region $\mathcal S$ , where $\mathcal S$ is the part of the surface $z=2xy$ bounded by $\mathcal C$ . We write

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with $\mathbf f=(y+7\sin x,z^2+9\cos y,x^3)$ .

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$\nabla\times\mathbf f=(-2z,-3x^2,-1)$

so the line integral is equivalent to

$\displaystyle\iint_{\mathcal S}\nabla\times\mathbf f\cdot\mathrm d\mathbf S$
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where $\mathbf s(u,v)$ is a vector-valued function that parameterizes $\mathcal S$ . In this case, we can take

$\mathbf s(u,v)=(u\cos v,u\sin v,2u^2\cos v\sin v)=(u\cos v,u\sin v,u^2\sin2v)$

with $0\le u\le1$ and $0\le v\le2\pi$ . Then

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and the integral becomes

$\displaystyle\iint_{\mathcal S}(-2u^2\sin2v,-3u^2\cos^2v,-1)\cdot(2u^2\cos v,2u^2\sin v,-u)\,\mathrm du\,\mathrm dv$
$=\displaystyle\int_{v=0}^{v=2\pi}\int_{u=0}^{u=1}u-6u^4\sin^3v-4u^4\cos v\sin2v\,\mathrm du\,\mathrm dv=\pi$

4 0

3 years ago

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Kryger [21]

15=8
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Answer is 20

8 0

4 years ago

One triangle shown is formed by the tree, its shadow, and a line of sight from the ground to the top of the tree. The other is f

irga5000 [103]

Answer:

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Step-by-step explanation:

To solve this question, we would be using the proportion

Shadow /Height

From the question:.

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Shadow of the tree = 17 feet

Hence:

414/512 = 17/ x

Cross Multiply

414 × x = 512 × 17

x = 512 × 17/414

x = 21.024154589 feet

x ≈ Approximately = 21 feet

The height of the tree = 21 feet

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swat32

Answer:

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Step-by-step explanation:

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