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Leno4ka [110]
1 year ago
13

HELP URGENTLY PLEASE

Mathematics
1 answer:
antiseptic1488 [7]1 year ago
4 0

here's the coordinates

b'= (4,5)

c'= (5,3)

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<img src="https://tex.z-dn.net/?f=789%20%5Ctimes%20%20%7B8%7D%5E%7B2%7D%20%20%3D%20" id="TexFormula1" title="789 \times {8}^{2}
Nikolay [14]

Answer:

50496

Explanation:

789 × 8 × 8 = 50496

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<em>Hope it helps, if you have any question, comment down below!</em>

5 0
2 years ago
Read 2 more answers
Write the explicit rule by writing each term as the product of the first term.
Alexeev081 [22]

Answer:

1 f(n) = 3(5)^x-1

2 f(n) = 40(3/2)^x-1

Step-by-step explanation:

The first number in the sequence, times the (multiplicative factor)^ x-1 is the rule for geometric sequences.

7 0
3 years ago
Read 2 more answers
g If the economy improves, a certain stock stock will have a return of 23.4 percent. If the economy declines, the stock will hav
dusya [7]

Answer:

E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%

Now we can find the second central moment with this formula:

E(X^2) = \sum_{i=1}^n X^2_i P(X_i)

And replacing we got:

E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965

And the variance is given by:

Var(X) = E(X^2) - [E(X)]^2

And replacing we got:

Var(X) = 413.5965 -(11.759)^2 =275.5105

And finally the deviation would be:

Sd(X) = \sqrt{275.5105}= 16.599 \%

Step-by-step explanation:

We can define the random variable of interest X as the return from a stock and we know the following conditions:

X_1 = 23.4 , P(X_1) =0.67 represent the result if the economy improves

X_2 = -11.9 , P(X_1) =0.33 represent the result if we have a recession

We want to find the standard deviation for the returns on the stock. We need to begin finding the mean with this formula:

E(X) = \sum_{i=1}^n X_i P(X_i)

And replacing the data given we got:

E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%

Now we can find the second central moment with this formula:

E(X^2) = \sum_{i=1}^n X^2_i P(X_i)

And replacing we got:

E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965

And the variance is given by:

Var(X) = E(X^2) - [E(X)]^2

And replacing we got:

Var(X) = 413.5965 -(11.759)^2 =275.5105

And finally the deviation would be:

Sd(X) = \sqrt{275.5105}= 16.599 \%

7 0
2 years ago
Can someone help me with this please
9966 [12]

Answer:

16

Step-by-step explanation:

94/6 = 15.66667

smallest number of boxes = 16

3 0
2 years ago
Read 2 more answers
(7n+4) +(8n-1) please solve this
meriva

Answer:

n= -6

Step-by-step explanation:

Simplifying

4 + -7n = -1(8n + 4) + 2

Reorder the terms:

4 + -7n = -1(4 + 8n) + 2

4 + -7n = (4 * -1 + 8n * -1) + 2

4 + -7n = (-4 + -8n) + 2

Reorder the terms:

4 + -7n = -4 + 2 + -8n

Combine like terms: -4 + 2 = -2

4 + -7n = -2 + -8n

Solving

4 + -7n = -2 + -8n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '8n' to each side of the equation.

4 + -7n + 8n = -2 + -8n + 8n

Combine like terms: -7n + 8n = 1n

4 + 1n = -2 + -8n + 8n

Combine like terms: -8n + 8n = 0

4 + 1n = -2 + 0

4 + 1n = -2

Add '-4' to each side of the equation.

4 + -4 + 1n = -2 + -4

Combine like terms: 4 + -4 = 0

0 + 1n = -2 + -4

1n = -2 + -4

Combine like terms: -2 + -4 = -6

1n = -6

Divide each side by '1'.

n = -6

Simplifying

n = -6

3 0
2 years ago
Read 2 more answers
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