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3 years ago

Find the average of: 15, 8, -22, 24, -9, -18, 16

Mathematics

2 answers:

trasher [3.6K]3 years ago

5 0

The average is 2. To find the average you add all the numbers then divide the sum by the total amount of numbers.

White raven [17]3 years ago

3 0

Put the number in order form the smallest to the biggest value. The cross out one in the left and one in the right until you are left with one number.

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(05.05)On the coordinate plane below, what is the length of AB?

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the lenght of the picture is 14

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Write a function rule that gives the total cost c(p) of p pounds of

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Cost = Pounds of Sugar X 0.59

C= P X 0.59

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Part A: Write an algebraic expression for 6 more than 7 times a number. (5 points)

Harlamova29_29 [7]

Part A: 7n+6
Part B: By verbal do you mean like Three times N plus Eight ?
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3 years ago

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A credit card company charges 18.6% percent per year interest. Compute the effective annual rate if they compound, (a) annualy,

Darina [25.2K]

Answer:

a) Effective annual rate: 18.6%

b) Effective annual rate: 20.27%

c) Effective annual rate: 20.43%

d) Effective annual rate: 20.44%

Step-by-step explanation:

The effective annual interest rate, if it is not compounded continuously, is given by the formula

$I=C(1+\frac{r}{n})^{nt}-C$

where

C = Amount of the credit granted

r = nominal interest per year

n = compounding frequency

t = the length of time the interest is applied. In this case, 1 year.

In the special case the interest rate is compounded continuously, the interest is given by

$I=Ce^{rt}-C$

(a) Annually

$I=C(1+\frac{0.186}{1})-C=C(1.186)-C=C(1.186-1)=C(0.186)$

The effective annual rate is 18.6%

(b) Monthly

There are 12 months in a year

$I=C(1+\frac{0.186}{12})^{12}-C=C(1.2027)-C=C(0.2027)$

The effective annual rate is 20.27%

(c) Daily

There are 365 days in a year

$I=C(1+\frac{0.186}{365})^{365}-C=C(1.2043)-C=C(0.2043)$

The effective annual rate is 20.43%

(d) Continuously

$I=Ce^{0.186}-C=C(1.2044)-C=C(0.2044)$

The effective annual rate is 20.44%

3 0

3 years ago

Plz help with slope question

nasty-shy [4]

Answer:

The equation in slope-intercept form:

$y = -3x - 4$

Step-by-step explanation:

Use the point-slope formula:

$y-y_{1} = m (x-x_{1})$

Use the given slope $-3$ and point $(0,-4)$ for the formula:

$y + 4= -3 (x-0)$

-Then, you solve the formula:

$y + 4 = -3 (x-0)$

$y+4 - 4 = -3 (x-0) -4$

$y = -3x - 4$

The equation, which is in slope-intercept form:

$y = -3x - 4$

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3 years ago

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