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3 years ago

2. Which of the following statements describes the graph below?

Mathematics

2 answers:

alexgriva [62]3 years ago

6 0

Answer:

D) The maximum value of the function is equal to the y-intercept.

Step-by-step explanation:

A is not correct. It should read "There are two x-intercepts and one y-intercept".

B is not correct. It should read "The curve crosses the y-axis at (0,6)".

C is not correct. Firstly, the graph has no minimum, only a maximum. Secondly, this isn't always true, to begin with.

D is correct. Like I said in answer C, the graph only has a maximum, and that maximum does indeed equal the y-intercept which I said in answer B was (0,6).

In-s [12.5K]3 years ago

4 0

Answer:

B. and D i think

Step-by-step explanation:

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The heights of a certain type of tree are approximately normally distributed with a mean height p = 5 ft and a standard

arsen [322]

Answer:

A tree with a height of 6.2 ft is 3 standard deviations above the mean

Step-by-step explanation:

⇒ $1^s^t$ statement: A tree with a height of 5.4 ft is 1 standard deviation below the mean(FALSE)

an X value is found Z standard deviations from the mean mu if:

$\frac{X-\mu}{\sigma} = Z$

In this case we have: $\mu=5\ ft$ $\sigma=0.4\ ft$

We have four different values of X and we must calculate the Z-score for each

For X =5.4\ ft

$Z=\frac{X-\mu}{\sigma}\\Z=\frac{5.4-5}{0.4}=1$

Therefore, A tree with a height of 5.4 ft is 1 standard deviation above the mean.

⇒ $2^n^d$ statement:A tree with a height of 4.6 ft is 1 standard deviation above the mean. (FALSE)

For X =4.6 ft

$Z=\frac{X-\mu}{\sigma}\\Z=\frac{4.6-5}{0.4}=-1$

Therefore, a tree with a height of 4.6 ft is 1 standard deviation below the mean .

⇒ $3^r^d$ statement:A tree with a height of 5.8 ft is 2.5 standard deviations above the mean (FALSE)

For X =5.8 ft

$Z=\frac{X-\mu}{\sigma}\\Z=\frac{5.8-5}{0.4}=2$

Therefore, a tree with a height of 5.8 ft is 2 standard deviation above the mean.

⇒ $4^t^h$ statement:A tree with a height of 6.2 ft is 3 standard deviations above the mean. (TRUE)

For X =6.2\ ft

$Z=\frac{X-\mu}{\sigma}\\Z=\frac{6.2-5}{0.4}=3$

Therefore, a tree with a height of 6.2 ft is 3 standard deviations above the mean.

6 0

3 years ago

A container has 3 apple juice boxes, 4 grape juice boxes and 5 orange juice boxes. Alex picks one juice box, drinks it and then

Eduardwww [97]

Hey!

Grape over total: $\frac{4}{12}$

After he drinks 1, there will be 1 less. That means it will be over 11

Orange over total: $\frac{5}{11}$

Now multiply the fractions

$\frac{4}{12} \times \frac{5}{11} = \frac{20}{132} \rightarrow \frac{10}{66} \rightarrow \frac{5}{33}$

That means the probability is: $\frac{5}{33}$

Good luck and hope this helps! :)

4 0

4 years ago

You have a credit card with an initial balance of $3,168.00 and an interest rate of 12.75% apr. if you make no payments on the c

zaharov [31]

A=p(1+i/m)^mn
P=3168
i=0.1275
M=12
n=3/12
A=3,168×(1+0.1275÷12)^(12*3/12)
A=3,270.06

7 0

3 years ago

Read 2 more answers

Find the measure of the line segment indicated, assume that lines which appear tangent are tangent. (2 questions) PLS help with

Brilliant_brown [7]

Answer:

Step-by-step explanation:

5 0

3 years ago

Which of the following expressions could give the total amount of a $45 restaurant bill with a 15% tip added on?

Elina [12.6K]

Answer:

Option B: 1.15($45) is the correct answer.

Step-by-step explanation:

Given that:

Total amount of restaurant bill = $45

Tip = 15%

As the bill would be 100% and a 15% tip will be added.

Thus total bill,

Total bill = (100+15)% = 115% of restaurant bill

Total bill = $\frac{115}{100}(45)$

Total bill = 1.15($45)

Hence,

Option B: 1.15($45) is the correct answer.

8 0

3 years ago

Read 2 more answers