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Marina CMI [18]
3 years ago
12

Solve: 0.2c + 0.69 = 1.37 c = _____

Mathematics
1 answer:
iVinArrow [24]3 years ago
5 0

Answer:

c = 3.4. I hope this is the answer:)

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If f(x) = x^3 find df/dx | x= -5
asambeis [7]

Answer:

75

Step-by-step explanation:

So we have:

f(x)=x^3

Take the derivative of the function. Use the power rule, which states that:

\frac{d}{dx}(x^n)=nx^{n-1}

Therefore:

\frac{d}{dx}[f(x)]=\frac{d}{dx}[x^3]

Use power rule:

\frac{df}{dx}=3x^2

Now, substitute in -5:

3(-5)^2

Square and multiply:

=3(25)=75

So our answer is 75.

This means that the slope of the line tangent to the point (-5,-125) on the graph x^3 is 75.

And we're done!

8 0
3 years ago
Solve 2(x + 1) = 2x + 2.
zmey [24]
2(x+1)=2x+2
^^^^^^2 gets distributed to both sides in the brackets.
the answer comes out to 2x+2.
therefore, 2x+2=2x+2.
3 0
3 years ago
Needing help in Algebra 2 question. Check pic below .
marysya [2.9K]

Answer:

0

Step-by-step explanation:

g(x) = x^2 - x - 2

Substitute x = 2:

g(2) = 4 - 2 - 2 = 0

4 0
4 years ago
Four students each ate 1 1/2 cupcakes. How many cupcakes did they eat in all​
sweet-ann [11.9K]

Multiply the number of cupcakes each by the number of people:

1 1/2 x 4 = 6 total cupcakes.

5 0
4 years ago
Read 2 more answers
Pls help urgent
s2008m [1.1K]
Y = x + 3
to test all of these, just use the visible x-coordinates on the grid and substitute them in the equation.
eg; y = (2) + 3 --> y = 5 . So the line would cross through (2,5)

3 0
4 years ago
Read 2 more answers
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