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Citrus2011 [14]
3 years ago
14

Combining like terms with negative coefficients −5j+(−2j)+3

Mathematics
2 answers:
alisha [4.7K]3 years ago
8 0
Combine the terms with j, so -7j+3 would be left.
Tamiku [17]3 years ago
8 0
So to combine like terms, add -5j and -2j. This equals -7j. Your answer would be -7j+3. You can't simplify or combine like terms more than that.
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How to find the mean absolute deviation of the set of data 8,7,4,6,6
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The deviation of the set of data is 678

7 0
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Make n the subject of the formula in the equation:t=2π√q/pn​
GarryVolchara [31]

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5 0
3 years ago
Suppose the radius of the sphere is increasing at a constant rate of 0.3 centimeters per second. At the moment when the radius i
elixir [45]
<h2>At the moment when the radius is 24 centimeters, the volume is increasing at a rate of 2171.47 cm³/min.</h2>

Step-by-step explanation:

We have equation for volume of a sphere

             V=\frac{4}{3}\pi r^3

where r is the radius

Differentiating with respect to time,

            \frac{dV}{dt}=\frac{d}{dt}\left (\frac{4}{3}\pi r^3 \right )\\\\\frac{dV}{dt}=\frac{4}{3}\pi \times 3r^2\times \frac{dr}{dt}\\\\\frac{dV}{dt}=4\pi r^2\times \frac{dr}{dt}

Given that

           Radius, r = 24 cm

           \frac{dr}{dt}=0.3cm/s

Substituting

           \frac{dV}{dt}=4\pi r^2\times \frac{dr}{dt}\\\\\frac{dV}{dt}=4\pi \times 24^2\times 0.3\\\\\frac{dV}{dt}=2171.47cm^3/min

At the moment when the radius is 24 centimeters, the volume is increasing at a rate of 2171.47 cm³/min.

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
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MrRa [10]

Answer:

Standard form of a quadratic equation is;  

ax^2+bx+c=0  

According to the above equations, all of them are in standard form.

Step-by-step explanation:

8 0
3 years ago
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