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eimsori [14]
2 years ago
7

Simplified-15(8m - 4)​

Mathematics
1 answer:
Deffense [45]2 years ago
8 0

Answer:

<em>-120m+60</em>

Step-by-step explanation:

You have to distribute the -15 into the numbers in the 8m-4.

So, <u>-15 times 8m</u> plus <u>-15 times -4</u>

-15 times 8m is <u>-120</u>

-15 times -4 is <u>60</u>

Therefore, the answer is -120m+60

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Darina [25.2K]

Answer:

Pronoun

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6 0
2 years ago
How would you put 0.1, 8/7, -1, 2/3, and 0.05 in least to greatest<br>​
tester [92]

Answer:

Step-by-step explanation:

-1  

0.1

.66

1.14

by the numbers it woud be

-1

0.1

2/3

8/7

7 0
3 years ago
If s is an increasing function, and t is a decreasing function, find Cs(X),t(Y ) in terms of CX,Y .
Sedbober [7]

Answer:

C(X,Y)(a,b)=1−C(s(X),t(Y))(a,1−b).

Step-by-step explanation:

Let's introduce the cumulative distribution of (X,Y), X and Y :

F(X,Y)(x,y)=P(X≤x,Y≤y)

  • FX(x)=P(X≤x)
  • FY(y)=P(Y≤y).

Likewise for (s(X),t(Y)), s(X) and t(Y) :

F(s(X),t(Y))(u,v)=P(s(X)≤u

  • t(Y)≤v)
  • Fs(X)(u)=P(s(X)≤u)
  • Ft(Y)(v)=P(t(Y)≤v).

Now, First establish the relationship between F(X,Y) and F(s(X),t(Y)) :

F(X,Y)(x,y)=P(X≤x,Y≤y)=P(s(X)≤s(x),t(Y)≥t(y))

The last step is obtained by applying the functions s and t since s preserves order and t reverses it.

This can be further transformed into

F(X,Y)(x,y)=1−P(s(X)≤s(x),t(Y)≤t(y))=1−F(s(X),t(Y))(s(x),t(y))

Since our random variables are continuous, we assume that the difference between t(Y)≤t(y) and t(Y)<t(y)) is just a set of zero measure.

Now, to transform this into a statement about copulas, note that

C(X,Y)(a,b)=F(X,Y)(F−1X(a), F−1Y(b))

Thus, plugging x=F−1X(a) and y=F−1Y(b) into our previous formula,

we get

F(X,Y)(F−1X(a),F−1Y(b))=1−F(s(X),t(Y))(s(F−1X(a)),t(F−1Y(b)))

The left hand side is the copula C(X,Y), the right hand side still needs some work.

Note that

Fs(X)(s(F−1X(a)))=P(s(X)≤s(F−1X(a)))=P(X≤F−1X(a))=FX(F−1X(a))=a

and likewise

Ft(Y)(s(F−1Y(b)))=P(t(Y)≤t(F−1Y(b)))=P(Y≥F−1Y(b))=1−FY(F−1Y(b))=1−b

Combining all results we obtain for the relationship between the copulas

C(X,Y)(a,b)=1−C(s(X),t(Y))(a,1−b).

7 0
3 years ago
What is x ÷ t/4 = -6/13​
pashok25 [27]

Answer: x= -3t/26

if it’s for x = -3t/26

If it’s for t= 26x/3

Step-by-step explanation:

Hope it helps

5 0
2 years ago
Easy question and it's a warm up question. Noah has to do 8 homework and he did 7 homework. How many homework left does noah hav
nadezda [96]

Answer:

1

Step-by-step explanation:

(H - Homework)

H = 8

H = 8 - 7

H = 1

4 0
2 years ago
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