3x^2 - 4X -3 discreet or continuous

Answers

Answer 1
Discrete And this how A discrete variable is a variable whose value is obtained by counting. A continuous variable is a variable whose value is obtained by measuring. A random variable is a variable whose value is a numerical outcome of a random phenomenon. A discrete random variable X has a countable number of possible values.

Related Questions

7x10+2x1+6x1/10+3x1/1000

Answers

Answer:72.603

Step-by-step :

70 + 2 + 6 ÷ 10 + 3 ÷ 1000

=72.603

First one to answer gets BRAINLIEST no cap look at the picture.

Answers

Answer:

your answer will be 56 square millimeters

Step-by-step explanation:

hope it helps

Answer:

34 square meaters.

Step-by-step explanation:

Look at picture below!

Which of the following are true statements? Select two that apply.

Answers

Answer:

Options A and C are correct answers

Step-by-step explanation:

A) [tex] \angle 5\: and \:\angle 1[/tex] are complementary.

C) [tex] \angle 3\: and \:\angle 4[/tex] form a linear pair.

Hope it helps you in your learning process.

Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,800; SSTR = 4560.
Set up the ANOVA table for this problem (to 2 decimals, if necessary).
Source of Variation Sum of Squares Degrees of Freedom Mean Square F
Treatments
Error
Total
Use {Exercise 13.07} Three different methods for assem = .05 to test for any significant difference in the means for the three assembly methods.
Calculate the value of the test statistic (to 2 decimals).
The p-value is Selectless than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 11
What is your conclusion?
SelectConclude not all means of the three assembly methods are equalCannot reject the assumption that the means of all three assembly methods are equal
Item 12are my calculations correct?

Answers

Given :

Number of methods, k = 3

Number of the observations, n = 30

Degrees of freedom Treatment = k - 1

                                                     = 3 - 1 = 2

Degrees of freedom for error = n - k

                                                 = 30 - 3 = 27

[tex]$SSTR = 4560, \ SST = 10800$[/tex]

[tex]$SSE = SST - SSTR$[/tex]

       = 10800 - 4560

       = 6240

[tex]$SSE_{treatment} = MS_{treatment } \times DF_{treatment}$[/tex]

[tex]$MS_{treatment} = \frac{4560}{2}=2280$[/tex]

[tex]$MS_{error}=\frac{SSE_{error}}{DF_{error}}$[/tex]

             [tex]$=\frac{6240}{27}=231.1$[/tex]

[tex]$F=\frac{MS_{treatment}}{MS_{error}}$[/tex]

  [tex]$=\frac{2280}{231.1}=9.865$[/tex]

Source variation   Sum of square  Degrees of freedom  Mean square     F

Treatment                   4560                          2                         2280       9.8653

Error                            6240                         27                   231.11111111

Total                            10800

The critical value of F for the 0.05 sig level and df (227) is 3.354

Since the test stat > critical value of F, so we reject null hypothesis and state that there is a significant difference in the means of the three assembly methods.

Use the distance formula to find the distance between (2,1) and (6,8). Round to the tenths place. thats the question there isn't any picture or graph

please help!:(

Answers

6 8. Sorry if wrong

Rashads teacher buys paperback books for her classroom library. Each book costs $6, and she spends a total of $150. Which equation models the number of books, n, she buys? A. 6n=150 B. n/6=150 C.150-n=6 D. 6•150=n

Answers

Answer:

A  

Step-by-step explanation:

6n=150

270 because yea hahahahaha

Type the answer in the box.

d = 6 y = 10 g = 8

Answers

Step-by-step explanation:

[tex](6) + \frac{1}{2} (10 + 8)[/tex]

[tex]6 + \frac{1}{2} (18)[/tex]

[tex]6 + \frac{18}{2} [/tex]

[tex]6 + 9[/tex]

[tex]15[/tex]

Answer:

15

Step-by-step explanation:

Sally earns graduated commission on her sales each month. She earns 6% commission on the first $45,000 in sales and 8% on anything over that. If Sally had $51,000 in sales this month, how much commission did she earn?
a.
$4,080
b.
$3,180
c.
$3,060
d.
$2,820

Answers

The answer is B, because 0.06*45000 + 0.08(51000-45000) = 3,180

Answer:

Sally earns graduated commission on her sales each month. She earns 6% commission on the first $45,000 in sales and 8% on anything over that. If Sally had $51,000 in sales this month, how much commission did she earn?

a. )  $4,080 b. )  $3,180 <<<CORRECT c. )  $3,060 d. )  $2,820

Step-by-step explanation:

Edge 2021

WILL MARK BRAINLEIST HELPP PLEASEEEE

Answers

the answer is x=15. pls give me brainliest :)

Answer:

15

Step-by-step explanation:

9x + 25 + x + 5 = 180

Add numbers = (25 + 5 = 30)

9x + 30 + x = 180

Combine like terms = (9x + x = 10x)

10x + 30 = 180

Subtract 30 from each side (10x + 30 - 30 = 180 - 30)

10x = 150

Divide 10 from each side (10x/10 = 150/10)

x = 15

4) Let a represent "x is a multiple of 3".
Let b represent "x is odd".
When x is 36, which of the following is true?

Answers

Step-by-step explanation:

When x=36, only the first statement is true (x is a multiple of 3). this is because 12×3= 36

36 is not odd, making the other statement false

^^^^this is correct

A rectangle has a length of (x+3) feet and a width of 1/2x feet.
If the perimeter is 21 feet, what is the length of the rectangle?

Answers

the length of the rectangle is 8 feet. X = 5

Find each product mentally, using the distributive property, 4x51/8. (giving brainliest)

Answers

Answer:

25.5

Step-by-step explanation:

4 x 51 / 8

204/8

25.5

Answer:

Step-by-step explanation:

4×15/8 = 4×(1+⅞) = 4×1 + 4×⅞ = 4 + 7/2 = 4 + 3.5 = 7.5

The number of that grow sugar beet =12

Answers

Answer:

I think question is not proper

you should check it again

hope your day will fine

Answer:

Whatttt

Step-by-step explanation:

The sum of 6 times a number and 4 is 9

Answers

5/6 is the correct answer
5/6 is the answer I think as well

Pls help me show work too:(

Answers

x=2.5 the triangles are 2x the scale of the other one so if you divide the numbers on the triangle by 2 then you will get the answer for x

Answer this correctly I’ll give brainalist + 10 points

Answers

The Answer is 66

That small little box there that’s 90

You subtract 90 with 24 and you should get 66
The answer to your asked question is 66, 90-24=66. Hope this helped have a good day/night!

There are three numbers for the combination to the store's safe. The first number is 17. The two numbers can be multiplied together to give a product of 28. What are all of the possibilities for the other two numbers? IT IS MULTIPLICATION BTW

Answers

Answer:

1 28

2 14

4 7

Step-by-step explanation:

7 4

14 7

28 1

...........

what are prime factors

Answers

Answer:

Prime Factors is a  factor of a given integer which is also a prime number.

numbers like 9, 13, 7 and etc

Consider the function graphed below.

What is the average rate of change of the function over the interval [1, 3] ?

A.36

B. 48

C.72

D.96

Answers

Answer:

A. 96

Step-by-step explanation:

By using slope formula we got that  average rate of change of the function over the interval [1, 3] is 48 .

What is the average rate of change?

the rate at which one variable of a function changes in relationship to another variable  is called average rate of change.

Here we can see in graph that

when x =1 y=12

and when x= 3 ,y=108

Now we know that rate of change is same as slope of straight line passing through that points

So average rate of change can be calculated as

[tex]=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

[tex]=\frac{108-12}{3-1}\\\\[/tex]

[tex]\frac{96}{2}[/tex]

=48

By using slope formula we got that  average rate of change of the function over the interval [1, 3] is 48 .

To learn more about rate of change visit :https://brainly.com/question/8728504

Please help
A 136
B 208
C 352
D 576

Answers

I believe it’s C. Have a good day. Hope this helps.

Answer im not in grade

Step-by-step explanation:

The total weight of 9 bags of potatoes is 36 kilograms each bag weights the same amount what is the weight in grams of each bag of potatoes

Answers

Answer:

4000

Step-by-step explanation:

36kg = 36000g

36000g/9 bags = 4000g

The weight of one bag of potatoes is 4 Kg,

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

The total weight of 9 bags of potatoes is 36 kilograms.

Then, weight of one bag of Potato is

= 36/9

= 4 Kg

Thus, One bag weigh 4 Kg.

Learn more about Unitary Method here:

https://brainly.com/question/30129918

#SPJ6

A local country club has a membership of 600 and operates facilities that include an 18-hole championship golf course and 12 tennis courts. Before deciding whether to accept new members, the club president would like to know how many members use each facility. A survey of the membership indicates that 75% use the golf course, 50% use the tennis courts, and 5% use neither of these facilities. One club member is chosen at random. What is the probability that the member uses the golf course but not the tennis courts

Answers

Answer:

0.45 = 45% probability that the member uses the golf course but not the tennis courts

Step-by-step explanation:

I am going to solve this question using the events as Venn sets.

I am going to say that:

Event A: Uses the golf courses.

Event B: Uses the tennis courts.

5% use neither of these facilities.

This means that [tex]P(A \cup B) = 1 - 0.05 = 0.95[/tex]

75% use the golf course, 50% use the tennis courts

This means, respectively, by:

[tex]P(A) = 0.75, P(B) = 0.5[/tex]

Probability that a member uses both:

This is [tex]P(A \cap B)[/tex]. We have that:

[tex]P(A \cap B) = P(A) + P(B) - P(A \cup B)[/tex]

So

[tex]P(A \cap B) = 0.75 + 0.5 - 0.95 = 0.3[/tex]

What is the probability that the member uses the golf course but not the tennis courts?

This is [tex]P(A - B)[/tex], which is given by:

[tex]P(A - B) = P(A) - P(A \cap B)[/tex]

So

[tex]P(A - B) = 0.75 - 0.3 = 0.45[/tex]

0.45 = 45% probability that the member uses the golf course but not the tennis courts

5x + 4 = 3x + 10 how would you solve for the value of x? How would you prove your solution is correct? How would you prove another value is incorrect? Explain in as much detail as possible.

Answers

5x+3=3x+10 the first thing we're going to do it to subtract 3 from both sides which would look like this

5x+3-3x=10 (the minus because it changed place)

from 5x and 3x we get 2x so the next step is 2x=10-3 which is 7

so now we have

2x=7

x=7/2

Answer:

x=3

Step-by-step explanation:

5x+4 = 3x+10

2x = 6

therefore, x = 3

Verification:

5 * 3 + 4 = 3 * 3 + 10

15+4 = 9+10

19=19

Therefore, LHS= RHS

Hence Proved!

Allison had 310 rocks in the rock collection after three months, her collection increases by 40% how many rocks does she have now?

Answers

Answer:

434

Step-by-step explanation:

310 times .4 (percentage) = 124 which is how much she gained, then you add that onto the original amount to find how many she has now, which is 434

an electronics store is having a 20%-off on all cell phones. the original price of a cell phone is x dollars. which expression represents the sale price of a cell phone?

a. x - 0.2
b. x - 0.8
c. 0.2*x
d. 0.8*x​

Answers

Answer: x*.2

Step-by-step explanation:

When you are trying to find the sale price you want to multiply the origanal price of the cellphone to the percentage you are getting off. Hope this helped!

16. On a yachting trip in the South Pacific, you discover a previously unknown island. You notice that there is a population of especially fluffy and particularly cute long-eared rabbits living there. These rabbits seem to have no predators at all on the island, and their mating habits seem to be perfectly random. When they are first surveyed, they have an average ear length of about 18 cm. When they are sampled again in five years, what will likely be true of their ear length

Answers

Answer: Their ear length will be thesame because there's no force of evolution.

Step-by-step explanation:

Based on the information given in the question as we are informed that the rabbits have no predators and that their mating habits seem to be perfectly random.

We should note that when they are sampled again in five years, due to the fact that there's no source of evolution, their ear length will be thesame. Also, their offspring number will be thesame as well.

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

B) one solution

Step-by-step explanation:

to understand thisyou need to know about:linear equationPEMDAStips and formulas:[tex]\sf\text{a system of linear equation has only one solution if $\frac{a_1}{a_2}\neq \frac{b_1}{b_2}$}[/tex]given:[tex] \begin{cases}2x - 4y = - 1 \\ 8x - 11y = - 19 \end{cases}[/tex]let's solve:

[tex] \sf substitute \: the \: value \: of \: a \: b : \\ \frac{2}{8} \ne \frac{ - 4}{ - 11} \\ [/tex]

[tex]\text{$\therefore$ the system of linear equation has only one solution}[/tex]

5th grade math. correct answer will be marked brainliest.

Answers

Answer:

1

12 ------

3

An elementary school is offering 3 language classes: one in Spanish, one inFrench, and one in German. The classes are open to any of the 100 students inthe school. There are 28 students in the Spanish class, 26 in the French class,and 16 in the German class. There are 12 students that are in both Spanish andFrench, 4 that are in both Spanish and German, and 6 that are in both Frenchand German. In addition, there are 2 students taking all 3 classes.(a) If a student is chosen randomly, what is the probability that he or she isnot in any of the language classes

Answers

Answer:

0.5 = 50% probability that he or she is not in any of the language classes.

Step-by-step explanation:

We treat the number of students in each class as Venn sets.

I am going to say that:

Set A: Spanish class

Set B: French class

Set C: German class

We start building these sets from the intersection of the three.

In addition, there are 2 students taking all 3 classes.

This means that:

[tex](A \cap B \cap C) = 2[/tex]

6 that are in both French and German

This means that:

[tex](B \cap C) + (A \cap B \cap C) = 6[/tex]

So

[tex](B \cap C) = 4[/tex]

4 French and German, but not Spanish.

4 that are in both Spanish and German

This means that:

[tex](A \cap C) + (A \cap B \cap C) = 4[/tex]

So

[tex](A \cap C) = 2[/tex]

2 Spanish and German, but not French

12 students that are in both Spanish and French

This means that:

[tex](A \cap B) + (A \cap B \cap C) = 12[/tex]

So

[tex](A \cap B) = 10[/tex]

10 Spanish and French, but not German

16 in the German class.

This means that:

[tex](C - B - A) + (A \cap C) + (B \cap C) + (A \cap B \cap C) = 16[/tex]

[tex](C - B - A) + 2 + 4 + 2 = 16[/tex]

[tex](C - B - A) = 8[/tex]

8 in only German.

26 in the French class

[tex](B - C - A) + (A \cap B) + (B \cap C) + (A \cap B \cap C) = 26[/tex]

[tex](B - C - A) + 10 + 4 + 2 = 26[/tex]

[tex](B - C - A) = 10[/tex]

10 only French

28 students in the Spanish class

[tex](A - B - C) + (A \cap B) + (A \cap C) + (A \cap B \cap C) = 16[/tex]

[tex](A - B - C) + 10 + 2 + 2 = 28[/tex]

[tex](A - B - C) = 14[/tex]

14 only Spanish

At least one of them:

The sum of all the above values. So

[tex](A \cup B \cup B) = 14 + 10 + 8 + 10 + 2 + 4 + 2 = 50[/tex]

None of them:

100 total students, so:

[tex]100 - (A \cup B \cup B) = 100 - 50 = 50[/tex]

(a) If a student is chosen randomly, what is the probability that he or she is not in any of the language classes?

50 out of 100. So

50/100 = 0.5 = 50% probability that he or she is not in any of the language classes.

At the Demarest Mountain ski slope lounge, they serve hot cocoa. A serving of
hot cocoa uses 1 and a half tablespoons of cocoa. The large jar holds 90
tablespoons of cocoa mix, but the jar is half empty. How many more servings of
Hot Cocoa can they give out?

Answers

Answer: 30 more servings

Explanation:
They had 90 tablespoons, but half are gone. 90/2 = 45

Each serving is 1.5 tablespoons.

45/1.5 = 30 more servings
The answer is 30 more servings
Other Questions
Which of the following choices symbolizes the family's return to a more peaceful and normal life? Manazar A rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 2 1/2cm.The prism is filled with cubes that have edge lengths of 1/2 cm.How many cubes are needed to fill the rectangular prism?Enter your answer in the box.To fill the rectangular prism, cubes are needed. (-2,19)(10,-11) find the slope A pair of listening posts is 4,000 ft apart. They both pick up a sound, but one listening post records the sound 1.5 seconds after the other listening post. Assume sound travels at 1,100 ft/s. Which equation can be used to determine possible locations of the origin of the sound? FINISH THE LYRICS ~~~ I said my face bomb, butt tight Racks stack up Shaq height Jewelry on me, flashlight I been lit since last night Hit him with that good good Make a boy act right Broke boys don't deserve no kitty I know that's right. 4. Which of the following equations can give an estimated product of 224?A. 2.54 x 6.85C. 14.04 x 15.61B.10.6 x 5.8D. 17.6 x 16.9 ANSWER PLISSSSSSS*WILL GIVE BRAINLIEST* pls helppppppp ill give brainliest a car leaves a stoplight and accelerates 15 seconds, and its speed reaches 60 km/hr. how fast did this car accelerate during this time? PLEASE HELP I NEED AN ESSAY AS SOON AS POSSIBLE OR ASAP!!!!!! WRITE A 10 - 20 SENTENCE ESSAY AND I WILL GIVE YOU 30 POINTS PLEASE HELP Sedimentary rocks such as sandstone often contain cracks or ripples. These marks show that a number of sedimentary rocks formA. In pockets of molten rock.B. Inside ice in mountain rangesC. Under sands in the desertD. At the bottom of bodies of water What types of reactions are catalyzed by enzymes? A. Hydrolysis B. Dehydration Synthesis (also known as Condensation) C. All of these D. Other types of reactions Which quotation supporters the authors claim that riding a bus can be just as efficient as flying Read the following excerpt and answer the question that follows.I creep up to a window to have a look outside Only thing I can make out is something buring in the distance, organge flames roiling like a thing alive. Doesnt seem right that a house half-submerged in water can burn, but burn it does, and nobody to stop it.No fire department, Mr. Tru points out. No police.How come? I ask. Where is everybody?He shrugs. They vacuated with the rest, or dont care to enter this particular neighborhood, or aint got here yet, or maybe all three. Whatever the reason, we on our own and thats the troot. Nobody look out for us but us.All of the following explain a theme this interaction between Zane and Mr. Tru develops except?The feelings of friendship and survival.The helplessness caused by racism and poverty.The heroism of rescue workers.The power of fear in ones life. SOMEONE PLEASE EXPLAIN THIS TO ME Should students attend HBCU's (Historically Black College or University) or PWI's (Predominantly White Institution) Libby earns $10 each hour for babysitting. Let m = the money she earns, and t = the time in hours she is babysitting. What equation represents this proportional relationship? Mention the usage of crop concept in ms-word Could someone please help me on this essay?Writing Prompt.Labeling foods and drinks with warnings may have benefits. You have been asked to write an informational essay for a health and environment-focused website explaining the benefits that may result from putting warning labels on certain types of foods and beverages. Your essay must be based on ideas and information that can be found in the Labeling Foods and Drinks passage set.Topic:informative 1.Find the scale factor of a blueprint if the scale is 3 inches = 6 feet.A. 1B. 24C. 3D. 72