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2 years ago

Please help!!! Due at 11:30!!!!!!

Mathematics

2 answers:

zvonat [6]2 years ago

6 0

Here i solved it! You can check

Tresset [83]2 years ago

3 0

Answer:

Step-by-step explanation:

see attachment for full step-by-step explanation

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There are 20 entries in the chess tournament. How many ways can they finish in first, second,

Romashka [77]

Answer:

6840

Step-by-step explanation:

Here, the order matters (1st, 2nd, and 3rd), so we need to use permutations.

There are 20 people who can get in first place. After that, there are 19 people who can get in second place. Finally, there are 18 people who can get in third place. So:

20 * 19 * 18 = 6840

3 0

3 years ago

Will give brainliest find the slope.

Klio2033 [76]

Answer:

-1/10 for first one and -4/2 for second one

Step-by-step explanation:

lol can I have brainliest?

6 0

3 years ago

Read 2 more answers

100 points for the CORRECT ANSWER

OLga [1]

Answer: D

Step-by-step explanation:

It is a linear function and the slope is negative and the y intercept is negative.

4 0

3 years ago

Read 2 more answers

Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. (If the vector field is

Elis [28]

In order for F to be conservative, there must be a scalar function f such that the gradient of f is equal to F. This means

$\dfrac{\partial f}{\partial x}=3x^2-2y^2$

$\dfrac{\partial f}{\partial y}=4xy+4$

Integrate both sides of the first equation with respect to x :

$f(x,y)=x^3-2xy^2+g(y)$

Differentiate both sides with respect to y :

$\dfrac{\partial f}{\partial y}=-4xy+\dfrac{\mathrm dg}{\mathrm dy}=4xy+4\implies\dfrac{\mathrm dg}{\mathrm dy}=8xy+4$

But we assume g is a function of y, which means its derivative can't possibly contain x, so there is no scalar function f whose gradient is F. Therefore F is not conservative.

8 0

3 years ago

Write the slope-intercept form of the given line. Include your work in your final answer.

IRINA_888 [86]

Answer:

y = -1.5x - 3

Step-by-step explanation:

The slope-intercept form of a line is y = mx + c where m is the slope of the line and c is the y-intercept of the line.

To find the slope of a line, you need to find the $\frac{rise}{run}$ between two of the points. I will be using the points (-2, 0) and (0, -3).