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bezimeni [28]
3 years ago
14

Tammy is saving money in a bank that charges a fee if the account is inactive for an extended period of time. The equation y=200

0(0.64)^x represents the value, , of one account that was left inactive for a period of years. Which statement below is true?​
A. 0.64 is the percent of money in the account after years
B. 2000 is the -intercept, it is the amount of money in the account initially
C.0.64 is the percent of money in the account initially
D.2000 is the -intercept, it is the amount of money in the account after years

The size of a certain cell is 4.75 x 10^-7m.Another cell is 1.2 x 10^4times larger. How large is the larger cell in scientific notation?​

A. 5.7 x 10-^3
B. 4.95 x 10-^11
C. 4.95 x 10-^28
D. 5.7 x 10^3

Use elimination, substitution or graphing to solve for the following system of equations: y=1/2x "-4"
x+4y=4

What is the end behavior of the function shown in the graph above?
A. As x approaches 0 , y approaches 15 .
As y approaches 0 , x approaches 25 .

B.As x approaches infinity symbol , y approaches 0 .
As y approaches infinity symbol , x approaches -infinity .

C. As x approaches infinity symbol , y approaches 0 .
As y approaches infinity , x approaches - infinity .
D. As x approaches infinity, y approaches 0.
As y approaches infinity x approaches infinity.

Find the average rate of change for the function f(x)=3.2 + 25Using the intervals of x=2 to x=6
Show ALL your work to receive credit

Mathematics
1 answer:
kaheart [24]3 years ago
7 0

2000 is the y-intercept, it is the amount of money in the account initially.

<h3>Exponential function</h3>

An exponential function is in the form:

y = abˣ

where a is the initial value of y, b is the multiplier, y, x are variables.

Let y represent the amount in the bank after x years.

Given the function y=2000(0.64)ˣ

Hence:

a = 2000, b = 0.64

0.64 = 1 + x

x = -0.36 (36% decrease)

2000 is the y-intercept, it is the amount of money in the account initially.

Find out more on Exponential function at: brainly.com/question/12940982

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This soda can is going to be made from aluminum. How many square centimeters of aluminum are needed if the radius r = 3.5 cm and
kari74 [83]

208.81 square centimeters of aluminium are needed

<em><u>Solution:</u></em>

Given that,

Radius = 3.5 cm

Height = 6 cm

We have to find the square centimeters of aluminum needed

So we have to find the surface area of cylinder

<em><u>The surface area of cylinder is given by formula:</u></em>

A = 2 \pi r(h+r)

Where "r" is the radius and "h" is the height of cylinder

<em><u>Substituting the values we get,</u></em>

A  = 2 \times 3.14 \times 3.5 \times (6+3.5)\\\\A = 21.98 \times 9.5\\\\A = 208.81

Thus 208.81 square centimeters of aluminium are needed

8 0
3 years ago
Write the fraction as a decimal 1/2​
torisob [31]
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julsineya [31]

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Step-by-step explanation:

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Graph the equation y = 22 – 3
jok3333 [9.3K]
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RideAnS [48]

Answer: Choice D

(a-e)/f

=======================================

Explanation:

Points D and B are at locations (e,f) and (a,0) respectively.

Find the slope of line DB to get

m = (y2-y1)/(x2-x1)

m = (0-f)/(a-e)

m = -f/(a-e)

This is the slope of line DB. We want the perpendicular slope to this line. So we'll flip the fraction to get -(a-e)/f and then flip the sign from negative to positive. That leads to the final answer (a-e)/f.

Another example would be an original slope of -2/5 has a perpendicular slope of 5/2. Notice how the two slopes -2/5 and 5/2 multiply to -1. This is true of any pair of perpendicular lines where neither line is vertical.

8 0
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