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Bad White [126]
4 years ago
6

Fill in the question mark ?5

Mathematics
1 answer:
timurjin [86]4 years ago
7 0
I don't really understand your question , can you rephrase it ?

Do you mean ?5x7 = 455 ?
because then it would be :
455 divided by 7 which equals 65  :) 
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If an item has a retail price retail price = $995 and a discount of 15%, how much is the discount?
solmaris [256]
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4 0
3 years ago
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Brilliant_brown [7]

Answer:

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Step-by-step explanation:

Because it has the lowest likelihood, with only a 15% chance.

7 0
2 years ago
Find dx/dt when y=2 and dy/dt=1, given that x^4=8y^5-240<br><br> dx/dt=
katrin2010 [14]

Answer:

The value of \frac{dx}{dt} is \frac{160}{x^3}.

Step-by-step explanation:

The given equation is

x^4=8y^5-240

We need to find the value of \frac{dx}{dt}.

Differentiate with respect to t.

4x^3\frac{dx}{dt}=8(5y^4)\frac{dy}{dt}-0              [\because \frac{d}{dx}x^n=nx^{n-1},\frac{d}{dx}C=0]

4x^3\frac{dx}{dt}=40y^4\frac{dy}{dt}

It is given that y=2 and dy/dt=1, substitute these values in the above equation.

4x^3\frac{dx}{dt}=40(2)^4(1)

4x^3\frac{dx}{dt}=40(16)(1)

4x^3\frac{dx}{dt}=640

Divide both sides by 4x³.

\frac{dx}{dt}=\frac{640}{4x^3}

\frac{dx}{dt}=\frac{160}{x^3}

Therefore the value of \frac{dx}{dt} is \frac{160}{x^3}.

4 0
3 years ago
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The correct answer is x = -90.

To find this, solve using the order of operations. See the example below.

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x = -90

4 0
4 years ago
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gizmo_the_mogwai [7]

Answer:SSS

Step-by-step explanation:

6 0
3 years ago
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