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anastassius [24]
3 years ago
11

How much interest will you get on $800 investment for 1 year at 6.45% ?

Mathematics
1 answer:
Lunna [17]3 years ago
8 0
800 * ( 6.45 / 100 ) = 8 * 6.45 = 51.6$ ;
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A certain game consists of rolling a single fair die and pays off as follows: $10 for a 6, $7 for a 5, $4 for a 4, and no payoff
beks73 [17]

Answer:

$3.50

Step-by-step explanation:

Given:

$10 for a 6, $7 for a 5, $4 for a 4, and no payoff otherwise

P(6) = 1/6 ; p(5) = 1/6 ; p(4) = 1/6 ; p(1,2or3) = 3/6 = 1/2

P(x) ____ 1/6 _____ 1/6 _____1/6 _____1/2

x______ 10 _______ 7 _____ 4 _______ 0

Expectwd value ; E(x)

Σx*p(x) = (1/6 * 10) + (1/6 * 7) + (1/6 * 4) + (1/2 * 0)

E(x) = 3.50

6 0
3 years ago
Given f(x) = x3 + 8, find the value of x when f(x) = 0.
77julia77 [94]

The value of x is -2 when f(x) = 0

Step-by-step explanation:

In any function f(x) = y

  • x is the input
  • y is the output
  • If f(x) = 2 x + 3, then f(a) = b means when you substitute x by a the value of y = b

∵ f(x) = x³ + 8

To find value of x when f(x) = 0, substitute f(x) in the equation by

0 and solve the equation to find the value of x

∵ f(x) = 0

∴ 0 = x³ + 8

- Subtract 8 from both sides

∴ -8 = x³

- Take ∛ for both sides

∵ \sqrt[3]{x}=x

∵ \sqrt[3]{-8}=-2

∴ x = -2

The value of x is -2 when f(x) = 0

Learn more:

You can learn more about the functions in brainly.com/question/10879401

#LearnwithBrainly

7 0
3 years ago
What’s the distance between (3,4) , (7,2)
Reptile [31]

Answer:

D= 4.47

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}

 

Where

(x_1,y_1) = (3,4)

(x_2,y_2) = (7,2)

 

Replacing these values in the distance formula

D =\sqrt{(7-3))^2+(2-4)^2}

D =\sqrt{(4)^2+(-2)^2}

D =\sqrt{16+4}

D =\sqrt{20}

D= 4.47

3 0
3 years ago
Which is the equation of a trend line that passes through the points (7, 450) and (14, 401)?
Yuki888 [10]

Answer: a

Step-by-step explanation:

5 0
3 years ago
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Explain why 0.32 is greater than 0.102
lyudmila [28]

Answer:0.32 is closer the the number one then 0.102 is

Step-by-step explanation:

7 0
3 years ago
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