Write 3 < x < 9 in interval notation.

Answers

Answer 1

Answer:

(3, 9)

Step-by-step explanation:

If we have ≤ or ≥, we use brackets to signify it includes the values.

If we have < or >, we use parenthesis to signify it doesn't include the values.


Related Questions

1. Find the new value after the old value of 56 is increased by 8%.

Answers

Answer:

60.48

Step-by-step explanation:

Answer:51.52

Step-by-step explanation:

evalute the expression (64)1\2​

Answers

Answer:

32

Step-by-step explanation:

64×1÷2

64is divided by 2 =32

and 32×1=32

Solve for x. Round to the nearest tenth, if necessary.

50 points

Solve for x. Round to the nearest tenth, if necessary. 50 points

Answers

Answer: 8.7

Step-by-step explanation:

Given:

hypotenuse = 9

Angle x =75

opposite of angle = x

Solution:

From SOH CAH TOA, use SOH

sin x = \(\frac{opposite}{hypotenuse}\)                  > substitute

sin 75  = \(\frac{x}{9}\)                           > multiply both sides by 9

9*sin 75 =x

x=8.7

there are 48 tables at a school.
3/8 of the tables are in the dining hall.
the rest are shaded equally between 5 classrooms.
how many tables are in the main hall​

Answers

Total: 48

DIning Hall: 48(3/8)=18

so theres 30 left for the classes

30/5(#of classes)=6 per class

-3=9(5-2k)/5 Show your work

Answers

Answer:

K=3.333

Step-by-step explanation:

-3=9(5-2k)/5

-3=45-18k/5

-15=45-18k

18k=60

K=60/18

K=3.3333

If to DEF?
A 23
B. 16°
C. 32°
D. 58°

Answers

The calculated measure of the angle D is (c) 32 degrees

How to determine the measure of the angle

From the question, we have the following parameters that can be used in our computation:

The triangles ABC and DEF

The triangles are similar triangles

This means that the corresponding angles are equal

Given that

A = 32 degrees

And the corresponding angle is D

We have

D = 32 degrees

Hence, the measure of the angle is (c) 32 degrees

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If to DEF?A 23B. 16C. 32D. 58

What is the image point of (2,8) after the transformation rx-axis D₂?

Answers

After transformation, the point (-1,2) in the image would be (-1,-2)

What is composition of transformations?

Each transformation applied to the prior image is combined into a composition of transformations. The result of a translation is identical to a composition of reflections across parallel lines (twice the distance between the parallel lines). The composite transformation is carried out by multiplying the matrix in order from the right to the left side if it is represented as a column. The output from the preceding matrix is multiplied by the new matrix that will follow.

First, we must mirror the point (-1, 2) around the line y=-x.

(X, Y) is the rule (-y,-x)

you obtain (-1,2)—>(-2,1) (-2,1)

At this point, you must rotate (-2,1) by 90 degrees.

(X, Y) is the rule ( -y,x)

so (-2,1)—> (-1,-2) (-1,-2)

After transformation, the point (-1,2) in the image would be (-1,-2)

The complete question is,

What is the image point of (-1,2) after the transformation R 90° ry=-x

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Three students were reading the same novel. . Roman read 3/5 of the novel.
Syed read 17/25 of the novel.
Felix read 0.63 of the novel.
Raymond read 17% of the novel.

Who has read the most?​

Answers

9514 1404 393

Answer:

  Syed

Step-by-step explanation:

Expressed as decimal numbers, the portions read were ...

Roman: 3/5 = 0.60Sayed: 17/25 = 0.68Felix: 0.63Raymond: 17% = 0.17

Syed read the most.

I need a good explanation to what X is not just the answer. I really want to know this info for my upcoming exam.

I need a good explanation to what X is not just the answer. I really want to know this info for my upcoming

Answers

Assuming line AB is parallel to line CD, then we have two similar triangles as shown below

This means that triangle ABE is similar to triangle CDE. If two triangles are similar, the ratios of their corresponding sides are equal. Thus,

12/20 = 9/x

By crossmultiplying,

12x = 180

I need a good explanation to what X is not just the answer. I really want to know this info for my upcoming

Activity 2
Directions: Find the unknown principal P. maturity value, and
compound interest Ic by completing the table. Use separate sheet/s of paper
for your answer.
Principal (P)
Rate(r) Time(t)
Compound
Interest (Ic)
10,000
(3)
Maturity Value
(F)
12
50,000
8%
2%
15
5​

Answers

The unknown is 2% and sorry

The mean score on the quiz was 6.625 with a population standard deviation of 1.9. Which of the following statements best describes the quiz scores? (DOK 3) All of the earned scores are within one standard deviation of the mean. All of the earned scores are within two standard deviations of the mean. All of the earned scores, except for one, is within two standard deviations of the mean. The value of 10 is an outlier so it should be removed from the data set.

Answers

The range of the scores is given by :

\(\text{range}=\operatorname{mean}\pm\text{standard deviation}\times1\text{ or 2 or 3}\)

For one standard deviation :

\(\text{range}=6.625\pm1.9\times1\)

The range is :

6.625 - 1.9 = 4.725

6.625 + 1.9 = 8.525

So it follows that the range of the scores is from 4.725 to 8.525

And it concludes that NOT all scores are within the one standard deviation because the histogram shows a score of 2, 9 and 10.

So choice A is NOT VALID

For two standard deviations :

\(\text{range}=6.625\pm1.9\times2\)

The range is :

6.625 - 1.9(2) = 2.825

6.625 + 1.9(2) = 10.425

So it follows that the range of the scores is from 2.825 to 10.425

And it concludes that All of the scores are within the two standard deviation except for the score "2".

So Choice B is also NOT VALID

But the Choice C, will satisfy this condition. For all of the earned scores, except for one, is within two standard deviations of the mean.

So the answer is Choice C or Third Option.

Type the answer in standard form below.
2,000,000+600,000+
30+8

Answers

Answer:

2,600,038

Step-by-step explanation:

Please help and Solve for x.

Please help and Solve for x.

Answers

Answer:

\(tan70 = \frac{opp}{adj} \\ \: \: = \frac{15}{x } \\ \\ x = \frac{15 }{tan70 } \\ \\ = \frac{15}{2.747} \\ \\ = 5.46\)

since 5.46 is equal to 5.5...

I think the answer is the first one

the value of x.
A. √3
B. 3√2/2
C. 3√2
D. 3√3
Please select the best answer from the choices provided:
OA
OB
OC
OD

the value of x.A. 3B. 32/2C. 32D. 33Please select the best answer from the choices provided:OAOBOCOD

Answers

It’s B.
Sin45 = x/3
Which becomes 3/root 2
On multiplying both numerator and denominator by root 2
It becomes 3root2/2

Kelly paid $45.36 for a sweater that was on sale for 25% off the original price. She paid 8% sales tax on the sale price.

What was the original price of the sweater, in dollars​

Answers

The sales tax is determined by computing a percent of the purchase price. To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price.

Step-by-step explanation: Sorry if this doesn't help....

7 divided by 8 in long division

Answers

Answer: 0.875

Step-by-step explanation:

A=1/2(b+c)h
Rearrange the formula to highlight the height.

Answers

Hello coco wind Edith. With. Wind. Iced. It’d w hire. Hire. Hire. Hire. Other. Hire. Hire. Hire. Other. I

c) What is the ratio of drink mix to mixed energy drink? (2 points)

Answers

Answer:

Step-by-step explanation:

Answer:

A) 8 : 3

B) 3 : 8

C) 3 : 11 [water + drink mix = 3 + 8 = 11]

D) 8 : 11

A marketing researcher must determine how many telephone numbers she needs to order from a sample provider to complete a survey of ATM users. The goal is to complete 400 interviews with ATM users. From past experience, she estimates that 70 percent of the phone numbers provided will be working phone numbers. The estimated incidence rate (percentage of people contacted who are ATM users) is 45 percent. Finally, she estimates from previous surveys that 37 percent of the people contacted will agree to complete the survey. How many telephone numbers should she order to complete the 400 interviews

Answers

Answer:

the required number of telephone orders to complete the 400 interviews is 3433

Step-by-step explanation:

Given the data in the question;

Let us represent the telephone numbers the researcher orders to complete the 400 interviews with Y.

Thus, The working phone numbers = 70% × Y

Now, number of ATM users = 45% × The working ph0ne numbers

⇒ 45% × ( 70% × Y )

number of ATM users = 0.45 × 0.70 × Y = 0.315Y

Thus; Number of people contacted that agrees to complete the survey will be;

⇒ 37% × number of ATM users

⇒ 0.37 × 0.315Y = 0.11655Y

so, since the researcher needs at least 400 interviews

Hence;

0.11655Y ≥ 400

Y ≥ 400 / 0.11655

Y ≥ 3432.0034 ≈ 3433

Therefore, the required number of telephone orders to complete the 400 interviews is 3433

Find the exact value of tan 5x/4

Answers

5x divided by 4 would be as it is

Please give the code :/

Please give the code :/

Answers

Step-by-step explanation:

1. m = (9-3)/(2-1) = 6/1 = 6 => B

2. m = (-7-5)/(2+1) = -12/3 = -4 => G

3. the horizontal line passes (0,4) => m = 0 =>I

4. m = (2-1)/(8-8) = 1/0 = oo => undefined => A

Fluffy the bunny ate 1/3 of a carrot in the morning and she ate some more at night by the end of the day she still had 1/5 of the carrot left to eat how much of the carrot did fluffy the bunny eat at night

Answers

Answer:

2/15

Step-by-step explanation:

first you have to make both numbers have an equal denominator the subtract how much that was left from how much she Initially ate

which function will have the greatest value at
\(x = 16 \)

\( y = {10}^{16} \)
\(y = {x}^{2} - 17x + 182\)
\(y = {1.17}^{x} \)




Answers

The function that would have the greatest value at x = 16 include the following: B. y = x² - 17x + 182.

How to determine the corresponding output value for the given function?

In Mathematics and Geometry, a function is a mathematical equation which defines and represents the relationship that exists between two or more variables such as an ordered pair in tables or relations.

In this exercise, we would determine the corresponding output value for this function of y based on the x-value (x = 16) in simplified form as follows;

\(y = 10^{16}\)

y = 10,000,000,000,000,000.

y = x² - 17x + 182

y = 16² - 17(16) + 182

y = 256 - 272 + 182

y = 166.

\(y = 1.17^x\\\\y = 1.17^{16}\)

y = 12.330304108137675851908392069373.

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En cierto laboratorio se cultiva la cepa de una bacteria, causal de múltiples problemas. Con fin de determinar la rapidez de reproducción de dicha bacteria, esta se coloca en un medio de crecimiento y condiciones favorables. La población existente es de 250 bacterias y se observa que cada hora se duplica la cantidad

Answers

The exponential function giving the number of bacteria after x hours is given as follows:

\(y = 250(2)^x\)

How to define an exponential function?

An exponential function has the definition presented according to the equation as follows:

\(y = ab^x\)

In which the parameters are given as follows:

a is the value of y when x = 0.b is the rate of change.

The parameter values for this problem are given as follows:

a = 250, b = 2.

Hence the function is given as follows:

\(y = 250(2)^x\)

Missing Information

The problem asks for the exponential function giving the number of bacteria after x hours is given as follows:

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Please help!!!!

Are the two triangles similar?

Please help!!!!Are the two triangles similar?

Answers

Answer:

No because they are not proportanial

have a great day you are loved and you matter

Step-by-step explanation:

13➗209 cuánto es? Gracias

Answers

Answer: 0.0622009569378

Step-by-step explanation:

How many combinations are possible? Assume the items are distinct. 14 items chosen 14 at a time

Answers

Answer:

  1

Step-by-step explanation:

"Combinations" means you don't care about the order. There is only one way to choose all of the items when their order doesn't matter.

Make h the subject of the formula x = 5h + 8

Answers

Answer:

h = \(\frac{1}{5} x-\frac{8}{5}\)

Step-by-step explanation:

x = 5h + 8

5h = x - 8

h = \(\frac{1}{5} x-\frac{8}{5}\)

help with statistics

Answers

Statistics is a branch of mathematics that involves the collection, analysis, interpretation, presentation, and organization of data. It is used in a wide range of fields such as science, engineering, social sciences, business, economics, and more.

What is statistics?

In statistics, data is collected through various methods such as surveys, experiments, and observations. This data is then analyzed using statistical methods to extract meaningful insights, identify patterns and relationships, and make informed decisions.

Some common statistical techniques include descriptive statistics, inferential statistics, hypothesis testing, regression analysis, and probability theory. These techniques are used to help researchers and analysts to understand and draw conclusions about data, and to test whether their conclusions are statistically significant.

Statistics has many practical applications, such as market research, medical research, quality control, risk assessment, and many others. It plays a critical role in modern society, helping individuals and organizations make informed decisions based on data-driven insights.

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Select the correct answer. Which of the following is an advantage of buying a home? A. You can invest in property. B. You need to pay fewer up–front costs. C. You don't need to buy insurance. Reset Next

Answers

Answer:

A. You can invest in property.

Step-by-step explanation:

pls tell me if wrong have a good night/day

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