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3 years ago

How do I change 79 dollars to cents

Mathematics

2 answers:

Nat2105 [25]3 years ago

4 0

1dolar/100cents×1/79cents
100×79=790cents

Nadya [2.5K]3 years ago

3 0

7900 79 times 100 ------------

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What is y=-5x75+23 divided by 2

mina [271]

Answer:

Exact Form

Y = -727/2

Decimal Form

y = -363.5

Mixed Number Form

y = -363 1/2

Step-by-step explanation:

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3 years ago

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Which statement best defines the two quantities that are measured to find the rate at which an airplane descends? A) The quantit

Schach [20]

The correct answer is:

C) The quantity of distance measured in feet depends on the quantity of time measured in minutes.

Explanation:

The rate of an airplane's descent would be found using the distance it descends and the amount of time that takes.

In this situation, the amount of time that passes causes the distance the plane descends to change; this means that the distance depends on the time.

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(9 • 27)^1/2 A.) 9 B.)3radical3 C.) 9radical3 D.)27

kobusy [5.1K]

$(9 \times 27)^ \frac{1}{2} = \sqrt{9 \times 27} = \sqrt{9 \times 3 \times 9} = 9 \sqrt{3}$

Answer: 9√3

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3 years ago

Write the word phrase for 2m - 6

podryga [215]

6 less than 2 and a number.

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I dont understand how to do this precalc question

Alexeev081 [22]

Answer:

x-intercept: (-0.1, 0)
Horizontal Asymptote: y = -3
Exponential growth

(First answer option)

Step-by-step explanation:

General form of an exponential function

$y=ab^x+c$

where:

a is the initial value (y-intercept).
b is the base (growth/decay factor) in decimal form:
If b > 1 then it is an increasing function.
If 0 < b < 1 then it is a decreasing function.
y=c is the horizontal asymptote.
x is the independent variable.
y is the dependent variable.

Given exponential function:

$y=4(10)^x-3$

<h3>x-intercept</h3>

The x-intercept is the point at which the curve crosses the x-axis, so when y = 0. To find the x-intercept, substitute y = 0 into the given equation and solve for x:

$\begin{aligned}& \textsf{Set the function to zero}:& 4(10)^x-3 &=0\\\\& \textsf{Add 3 to both sides}:& 4(10)^x &=3\\\\& \textsf{Divide both sides by 4}:& 10^x &=\dfrac{3}{4}\\\\& \textsf{Take natural logs of both sides}:& \ln 10^x &=\ln\left(\dfrac{3}{4}\right)\\\\& \textsf{Apply the power log law}:&x \ln 10 &=\ln\left(\dfrac{3}{4}\right)\\\\& \textsf{Divide both sides by }\ln 10:&x&=\dfrac{\ln\left(\dfrac{3}{4}\right)}{\ln 10} \\\\& \textsf{Simplify}:&x&=-0.1\:\:\sf(1\:d.p.)\end{aligned}$

Therefore, the x-intercept is (-0.1, 0) to the nearest tenth.

<h3>Asymptote</h3>

An asymptote is a line that the curve gets infinitely close to, but never touches.

The parent function of an exponential function is:

$f(x)=b^x$

As x approaches -∞ the function f(x) approaches zero, and as x approaches ∞ the function f(x) approaches ∞.

Therefore, there is a horizontal asymptote at y = 0.

This means that a function in the form $f(x) = ab^x+c$ always has a horizontal asymptote at y = c.

Therefore, the horizontal asymptote of the given function is y = -3.

<h3>Exponential Growth and Decay</h3>

A graph representing exponential growth will have a curve that shows an increase in y as x increases.

A graph representing exponential decay will have a curve that shows a decrease in y as x increases.

The part of an exponential function that shows the growth/decay factor is the base (b).

If b > 1 then it is an increasing function.
If 0 < b < 1 then it is a decreasing function.

The base of the given function is 10 and so this confirms that the function is increasing since 10 > 1.

Learn more about exponential functions here:

brainly.com/question/27466089

brainly.com/question/27955470

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