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Alja [10]
3 years ago
9

The base of an exponential model is 1.024. Is the base a growth or decay factor, why or why not?

Mathematics
1 answer:
Ivan3 years ago
4 0
<span>In the exponential growth/decay part, any number to the power of n should be to the power… ... do notmultiply them by each other, leave the bases the same and keep in exponential form .... y=a(b^x) and a is the y intercept, b is the growth or decay factor ... Give the exponential growth model and explain each part. y=(1+r)ⁿ, ...</span><span>
</span>
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Tarana mailed 20 greetings cards. 9 of them were mailed to USA. What percentage of the cards were mailed to USA?
Elza [17]

Answer:

45%

Step-by-step explanation:

9/20=0.45 (Divide it first), 45/100=45% (45/100 because 100 makes 1 whole -all 20 cards-)

7 0
3 years ago
Describe and correct the error the student made when writing the equation of the line that passes through (-8,5)
pshichka [43]

Option D (The student should have used  as the slope of the perpendicular line.) is correct.

Step-by-step explanation:

We need to identify the error that the student made in finding equation of the line that passes through (-8,5)  and is perpendicular to y = 4x + 2

The slope of the required line would me -1/m because both lines are perpendicular.

So, slope of new line will be: -1/4

because the equation of slope-intercept form is: y=mx+b where m is the slope

Now, for finding equation the student used point slope form i.e y-y_1=m(x-x_1)

where y_1 and x_1 are the points and m is the slope.

Putting values:

x_1=-8, y_1=5 and m=-1/4

y-5=-\frac{1}{4}(x-(-8))\\y-5=-\frac{1}{4}(x+8)\\y-5=-\frac{1x}{4}-2\\y=-\frac{1x}{4}-2+5\\y=-\frac{1x}{4}+3

This is the correct solution.

The student made error by using the wrong slope he used 2 instead of -1/4

in the step y-5 = 2(x-(-8))

So, Option D (The student should have used  as the slope of the perpendicular line.) is correct.

Keywords: Equation of line using Slope  

Learn more about Equation of line using Slope at:

  • brainly.com/question/4819659
  • brainly.com/question/4097107
  • brainly.com/question/1979240

#learnwithBrainly

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3 years ago
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Math question, please help me!!
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Sorry I am a little confused about the answer

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3 years ago
The baker broke each of the cookies in half. She counted 6
densk [106]

Answer:

3

Step-by-step explanation:

6/2=3

six halves of cookies put the halves into pairs and you get 3

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3 years ago
Browning Labs is testing a new growth inhibitor for a certain type of bacteria. The bacteria naturally grows exponentially each
makvit [3.9K]

Hey! I just answered this on plato. the answer is that it includes negative factors, which makes not all solutions viable.

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