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laiz [17]
3 years ago
5

In 2013, the national debt was

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

You can use a calculator for the decimal operations, but practice some by hand because on the quiz and the test you will not have a calculator.

Step-by-step explanation:

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(3)/(2x+3)=(2)/(10x+4)
RoseWind [281]

Answer:

x = -3/13

Step-by-step explanation:

cross multiply

4x + 6 = 30x + 12

combine like terms

-6 = 26x

x = -6/26 = -3/13

7 0
3 years ago
Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = xyz , (3, 3, 9
Anna [14]

The derivative of f(x,y,z) in the direction of a vector \mathbf u is

\nabla_{\mathbf u}f=\nabla f\cdot\dfrac{\mathbf u}{\|\mathbf u\|}

With f(x,y,z)=xyz, we get

\nabla f=(yz,xz,xy)

and \mathbf u=(-1,-2,2),

\|\mathbf u\|=\sqrt{(-1)^2+(-2)^2+2^2}=3

Then

\nabla_{(-1,-2,2)}f(3,3,9)=(27,27,9)\cdot\dfrac{(-1,-2,2)}3=-21

8 0
3 years ago
What is the answer to y=3/4x+2 ???
pantera1 [17]
The answer is X=8/3
7 0
2 years ago
Multiply negative 1 over 2 multiplied by negative 1 over 2. Which of the following is correct?
krok68 [10]

Answer:

negative 1 over 4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Put 2/3 5/7 16/21 in order from least to greatest
hodyreva [135]

Answer:

5/7, 2/3, and 16/21

Step-by-step explanation:

If you put them all under the same denominator you will get 2/3=14/21, 5/7= 10/21, and 16/21. And if you put them in order it is 10/21, 14/21, and 16/21. Hope this helps, let me know if correct!!

5 0
3 years ago
Read 2 more answers
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