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quester [9]
3 years ago
13

Which situation could be represented by an exponential function select each correct answer

Mathematics
1 answer:
ANTONII [103]3 years ago
3 0

Answer:

The first and third options are the examples of exponential functions.

Step-by-step explanation:

When a quantity is compounded after a certain interval of time at a certain rate, then we can assume that the situation can be represented by an exponential function.

In the first option:  An event organizer finds each year's attendance for the past five years is about \frac{4}{5} of previous year's attendance.

So, here the total attendance is compounding every year by a factor \frac{4}{5} of previous year's attendance.

Again, in the third case: The total population is increasing by about 7.5% each year.

Hence, the population is compounded every year by 7.5% of the previous year's population.

Therefore, the first and third options are examples of exponential functions. (Answer)

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Mateo reproducira una foto que mide 5 cm por lado a una escala de 3/4
Aneli [31]

the question in English

Mateo will reproduce a photo measuring 5 cm per side on a scale of 3/4

How much will the square side of the copy measure?

Will the size of the copy be larger or smaller than the original?

we know that

the scale factor is equal to \frac{3}{4}

Let

x----------> the original length side

y--------> the copy length side

y=\frac{3}{4}*x

we have that

x=5\ cm

substitute the values

y=\frac{3}{4}*5=3.75\ cm

therefore

<u>the answer Part a) is </u>

the length side of the copy measure is 3.75\ cm

Part b)

we know that

the size of the original photo is------> 5*5=25\ cm^{2}

the size of the copy is------> 3.75*3.75=14.06\ cm^{2}

so

14.06\ cm^{2} < 25\ cm^{2}

therefore

<u>the answer part b) is</u>

The size of the copy be smaller than the original



3 0
3 years ago
Simplify the expression below, I really just need the steps I have the answer (also can someone tell me how to edit points on th
Sloan [31]

Answer:  3x^2y\sqrt[3]{y}\\\\

Work Shown:

\sqrt[3]{27x^{6}y^{4}}\\\\\sqrt[3]{3^3x^{3+3}y^{3+1}}\\\\\sqrt[3]{3^3x^{3}*x^{3}*y^{3}*y^{1}}\\\\\sqrt[3]{3^3x^{2*3}*y^{3}*y}\\\\\sqrt[3]{\left(3x^2y\right)^3*y}\\\\\sqrt[3]{\left(3x^2y\right)^3}*\sqrt[3]{y}\\\\3x^2y\sqrt[3]{y}\\\\

Explanation:

As the steps above show, the goal is to factor the expression under the root in terms of pulling out cubed terms. That way when we apply the cube root to them, the exponents cancel. We cannot factor the y term completely, so we have a bit of leftovers.

4 0
3 years ago
an inheritance of Rs. 14,00,000 is to be divided among ali,ahmes and amir in the following manner that ahmed is to receive 6/7 o
Oduvanchick [21]

Using proportions, the amounts received by each student are given as follows:

  • Ali: Rs 700,000.
  • Ahmed: Rs 600,000.
  • Amir: Rs 100,000.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

The amounts that each receive are given as follows:

  • Ali: x.
  • Ahmed: 6/7 of Ali, hence 6x/7.
  • Amir: 1/7 of Ali, hence x/7.

The total amount shared is of Rs 1,400,000, hence we can solve for x as follows:

x + 6x/7 + x/7 = 1,400,000.

2x = 1,400,000.

x = 700,000.

Hence the amounts are:

  • Ali: Rs 700,000.
  • Ahmed: Rs 600,000.
  • Amir: Rs 100,000.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
1 year ago
Lamar and his family sell strawberry jelly and blueberry jelly at the farmers' market every Saturday. So far this year, they hav
REY [17]
You simply do 973-449 to get 524 jars of strawberry jelly
8 0
2 years ago
Read 2 more answers
A person who had $1,000,000 gave $100 to charity. How much must a student who has $100 give to charity to give proportionally th
Oksi-84 [34.3K]

(100 / 1,000,000) × 100% = 0.01%

x = amount of money the student has to give.

(x / 100) × 100% = 0.01%

We can cancel out the 100's

x = $0.01

The student would have to give $0.01 or 1 cent

5 0
3 years ago
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