MATHEMATICS HIGH SCHOOL

Relative minimum: the point on the graph where the interval changes from A. Increasing B. Decreasing C. Input D. Output

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

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In 1995 the USPS approximated that they handled 1.8 x 10^11 pieces of mail. In 2010 the USPS reported that they handled 1.7x10^11 pieces. How many more pieces of mail were handled in 1995 than 2010
If 3(y-1) = y -5. y = ____________.
I need help with this one I’m stuck on it.
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a(1)= 3 5 a(n)=a(n−1)⋅(−9) What is the 3^{\text{rd}}3 rd 3, start superscript, start text, r, d, end text, end superscript term in the sequence?

Answers

Answer: -630

Step-by-step explanation:

Given the nth term of a sequence;

a(n)=a(n−1)⋅(−9) and the first term of the sequence a(1) as 35, the third term of the sequence can be gotten by using the formula at when n = 3

If n = 3 and a(1) = 35;

a(3) = 35(3-1)•(-9)

a(3) = 35×2×-9

a(3) = 70×-9

a(3) = -630

There the 3rd term of the series will give us -630 according to the nth term of the formula given.

Final answer:

The problem is about a recursive sequence where each term is the previous term multiplied by -9. After applying this rule twice, it is found that the 3rd term of the sequence is 243.

Explanation:

The problem provided indicates a recursive sequence, where each term is based on the previous term. The sequence is defined as a(1) = 3 and a(n) = a(n - 1) ⋅ (−9), which essentially means that each subsequent term is the previous term multiplied by -9.

To find the 3rd term, we apply this rule twice starting from the first term:

a(2) = a(1) * (-9) = 3 * (-9) = -27

a(3) = a(2) * (-9) = -27 * (-9) = 243

Therefore, the 3rd term of the sequence is 243.

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What are the zeros of the polynomial function: f(x) = x3 + x2 – 6x ? ...?

Answers

The solution to the problem is as follows:

　
x³ + x² − 6x = 0
x (x² + x − 6) = 0
x (x − 2) (x + 3) = 0
x = 0, 2, −3

f(x) = 2x³ + 5x² + 6x − 4
f(−x) = −2x³ + 5x² − 6x − 4

Let's look at signs only and how many sign changes there are:
f(x) = + + + −
1 sign change ----> 1 positive root
f(−x) = − + − −
2 sign changes ----> 2 or 0 negative roots

Min. number of real roots = 1 ----> max. number of complex roots = 2
Max. number of real roots = 3 ----> min. number of complex roots = 0

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Name ScoreJulia 650
Andrew 550
Jason 380
Cathy 720
Jessica 710
Robert 550
The table gives the scores of 6 students from a class of 25 in a competitive exam. The point estimate of the mean score for the students is _____-
. (Round off your answer to the nearest tenth.)

Answers

Answer

593.3

Explanation

Mean is also called average. It represents the average mark of a given data.

For the question above, you to add all the marks of the students then you divide by the number of students.

Mean = (650+550+380+720+710+ 550)÷6

= 3,560 ÷ 6

=593.3333

Answer to the nearest tenth = 593.3

The point estimate of the meanscore for the students is 593.34 if the number of observation is 6.

What is mean?

It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.

We know,

Mean = (sum of observation)/(number of observation)

Sum of scores = 650+550+380+720+710+550 = 3560

Number of observation = 6

Mean = 3560/6 = 593.33 = 593.34

Thus, the point estimate of the meanscore for the students is 593.34 if the number of observation is 6.

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0.55 as fraction
in simplest form

Answers

0,55 = $(55)/(100)$

$(55)/(100) = (11)/(20)$

Nice days..........

Given a mean of 8 and a standard deviation of 0.7, within how many standard deviations of the mean do the values 7.7, 8.4, 9, 8, and 6.9 fall?2

1

0

3

Answers

*We can to find the upper limit of the data by using the values given in the options.
If 2
the upper limit is 8 + 2*0.7 = 9.4

If 1
the upper limit is 8 + 1*0.7 = 8.7

If 0
the upper limits is 8+ 0*0.7 = 8

If 3
the upper limit is 8 + 3*0.7 = 10.1

Therefore, the answer is
3
since all the values are included

ANOTHER ONE TO TAKE A LOOK AT DOUBLE OR NOTHING