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statuscvo [17]
2 years ago
7

-Translate this phrase into an algebraic expression.

Mathematics
1 answer:
Virty [35]2 years ago
5 0

Answer:

20n - 4

Step-by-step explanation:

the product of 20 and a number means multiplying 20 by n (the variable representing the number)

to get four less than this product, you subtract 4

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If you change the sign of a point's x-coordinate,how does the location of the point change?
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If you change the point's x-coordinate, the point will move either to the left or the right, depending on if the number you change is negative or positive. 
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3 years ago
0.7 , 2/3 , 5/8 , 65% in least to greatest
egoroff_w [7]

Answer:

65%,0.7,2/3,5/8

Step-by-step explanation:

4 0
3 years ago
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72.1 divided by 7<br> Estimate the quotient
Ulleksa [173]
Do 72 divided by 7 to get your answer
4 0
3 years ago
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What is the value of the expression below? 8 plus 24 divided (2 x 6) - 4
Anastaziya [24]

Answer:

4

Step-by-step explanation:

So, let's right this out:

8+24

-------------

(2 x 6)-4

When we simplify, we get:

32

----

8

Which is 4.

Hope this helped sorry if incorrect!

~Mschmindy

3 0
3 years ago
Let w = x2 + y2 + z2, x = uv, y = u cos(v), z = u sin(v). use the chain rule to find ∂w ∂u when (u, v) = (9, 0).
jasenka [17]
By the chain rule,

\dfrac{\partial w}{\partial u}=\dfrac{\partial w}{\partial x}\cdot\dfrac{\partial x}{\partial u}+\dfrac{\partial w}{\partial y}\cdot\dfrac{\partial y}{\partial u}+\dfrac{\partial w}{\partial z}\cdot\dfrac{\partial z}{\partial u}
\dfrac{\partial w}{\partial u}=2xv+2y\cos v+2z\sin v

We also have x(9,0)=0, y(9,0)=9, and z(9,0)=0, so at this point we get

\dfrac{\partial w}{\partial u}(9,0)=2\cdot9\cdot\cos0=18
7 0
3 years ago
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