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bearhunter [10]
2 years ago
9

ris is a botanist who works for a garden that many tourists visit. The function f(s) = 2s + 25 represents the number of flowers

that bloomed, where s is the number of seeds she planted. The function s(w) = 25w represents the number of seeds she plants per week, where w represents the number of weeks. Part A: Write a composite function that represents how many flowers Iris can expect to bloom over a certain number of weeks. (4 points) Part B: What are the units of measurement for the composite function in Part A? (2 points) Part C: Evaluate the composite function in Part A for 30 weeks. (4 points)
Mathematics
1 answer:
olasank [31]2 years ago
3 0

Answer:

A.  f(s) = 2s + 34

B. Mole

C. f(s) = 2s + 54

Step-by-step explanation:

A. Its a prediction  the 34 can be any number reasonably close to 25

B. Amount of substance - mole (mole)

c. f(s) = 2s + 54

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The smith family bought a new tent for a camping trip with a base of 9 by 15 and a height of 7. What is the volume of their new
dedylja [7]
472.5 it's a pryamind or triangular pyramid. so 9x15x7/2
4 0
2 years ago
Evaluate expression if x=2 y=3 z=4 6xz + 5xy
mamaluj [8]

Answer: 78

Step-by-step explanation:

  1. [6 (2) (4)] + [5 (2) (3) ]
  2. The first bracket, 6*2* = 12, 12 * 4 = 48
  3. The second bracket, 5*2 = 10, 10 * 3 = 30
  4. Add the answers of both brackets. 48 + 30 = 78
8 0
2 years ago
Which expression is equivalent to StartFraction RootIndex 7 StartRoot x squared EndRoot Over RootIndex 5 StartRoot y cubed EndRo
Lera25 [3.4K]

Answer:

Option A.

Step-by-step explanation:

The given expression is

\dfrac{\sqrt[7]{x^2}}{\sqrt[5]{y^3}}

where, y\neq 0.

We need to find the expression which is equivalent to the given expression.

The given expression can be rewritten as

\dfrac{(x^2)^{\frac{1}{7}}}{(y^3)^{\frac{1}{5}}}      [\because \sqrt[n]{x}=x^{\frac{1}{n}}]

\dfrac{x^{\frac{2}{7}}}{y^{\frac{3}{5}}}      [\because (a^m)^n=a^{mn}]

x^{\frac{2}{7}}y^{-\frac{3}{5}}      [\because a^{-n}=\dfrac{1}{a^n}]

Therefore, the correct option is A.

8 0
2 years ago
Read 2 more answers
Albert Abbasi, VP of Operations at Ingleside International Bank, is evaluating the service level provided to walk-in customers.
In-s [12.5K]

Answer:

The probability that Albert's sample of 64 will have a mean between 13.5 and 16.5 minutes is 0.9973.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Let X the random variable that represent interest on this case, and for this case we know the distribution for X is given by:

X \sim N(\mu=15,\sigma=4)  

And let \bar X represent the sample mean, the distribution for the sample mean is given by:

\bar X \sim N(\mu,\frac{\sigma}{\sqrt{n}})

On this case  \bar X \sim N(15,\frac{4}{\sqrt{64}})

Solution to the problem

We are interested on this probability

P(13.5  

If we apply the Z score formula to our probability we got this:

P(13.5

=P(\frac{13.5-15}{\frac{4}{\sqrt{64}}}

And we can find this probability on this way:

P(-3

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(-3

The probability that Albert's sample of 64 will have a mean between 13.5 and 16.5 minutes is 0.9973.

7 0
2 years ago
Before leaving to visit Mexico, levant traded 270 american dollars and received 3000 mexican pesos. When he returned from mexico
Makovka662 [10]
Levant will receive about 9 american dollars when he exchanges his pesos.

According to this question, 1 american dollar is worth about 11 pesos. In order to find that, you need to divide 3000/270 which gives you around 11. In order to find out how many dollars he will receive for his pesos, you need to divide 100 by 11 which gives you about 9 dollars.
4 0
2 years ago
Read 2 more answers
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