Suppose we have universal set U. What does it mean to say that X is a subset of U?

Answers

Answer 1

Answer:

All of the elements of X are elements of U.

Step-by-step explanation:


Related Questions

A recipe for 45 biscuits uses
5
2
cups of flour. How many biscuits are made from each cup of flour?

Answers

Answer:

18

Step-by-step explanation:

Please give brainliest!

Answer:

18

Step-by-step explanation:

Given the linear function f(x) = 3x + b. If b is increased by 5, how would the line shift?

Answers

Answer:

the line would move up five units because b is the y intercept, and the y intercept determines the position of the line, not the look or slope of the line

Answer:

THE LINE WOULD MOVE UP 5 UNITS

Step-by-step explanation:

Simon is playing a card game he needs to collect three cards each card should be a factor of 20 which set of cards should Simon choose 

Answers

Answer:

4 5 and 20

Step-by-step explanation:

Please helpppp me. Will give Brainlyist

Answers

SOH CAH TOA.
Sin = Opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = Opposite / Adjacent

5.401 \times 10^{-1} = {?}5.401×10 −1 =?

Answers

Answer:

2.005 x 10^2

Step-by-step explanation:

Keisha has a bag that contains 3 red, 2 orange, 1 yellow, and 2 purple marbles. She will randomly choose 1 marble from the bag. What is the probability that Keisha will choose an orange marble? this is one question only probability please it´s urgert!! Here are the answer choices: A 2/4 B 1/8 C 3/8 or D 1/4.

Answers

Answer:

Answer

Step-by-step explanation:

1/4

HELP PLS
analyze the diagram above and complete the instructions that follow.

Answers

Answer:

D

Step-by-step explanation:

answer is on the photo

40:10 = 12 :
Equivalent ratio

Answers

40:10=12:3


Solution:

Since
40 : 10 = 12 : X

Then we know
10/40 = X/12

Multiplying both sides by 12 cancels on the right
12 × (10/40) = (X/12) × 12
12 × (10/40) = X

Then solving for X
X = 12 × (10/40)
X = 3

Therefore
40 : 10 = 12 : 3

For the right triangle shown, use the trig functions to find the value of x. Round your answer to the nearest tenth.
1. 17
2. 12.7
3. 11
4. 12.2

Answers

Answer:

12.7

Step-by-step explanation:

[tex] \sin \: 42 \degree = \frac{x}{19} \\ \\ 0.6691306064 = \frac{x}{19} \\ \\ 0.6691306064 \times 19 = x \\ \\ x = 12.7134815 \\ \\ x \approx 12.7[/tex]

5(g + 17) = (Simplify your answer.)​

Answers

Answer:

5g+85 is the answer

Step-by-step explanation:

i hoped it helped

Juanita earns $36 for 3 hours of work. At that rate, how long would she have to work to earn $720?

Answers

Well it would be 7 days. 36 x 3 is 108 720 divided by that is 6 but a remainder so you add one to 6 and it’s 7

Answer:

She has to work for 60hours in order to earn $720.

Step-by-step explanation:

Amount of money earned in 1hour=36÷3

                                                        =12$

Total time required=720÷12

                               =60hours

what the answer?please tell me
12 points

Answers

Step-by-step explanation:

[7 + (-2)] * (-3)

= 7(-3) + (-2)(-3)

= -21 + 6

= -15. (C)

Answer:

C. -15

Step-by-step explanation:

Hope this helped have an amazing day!

NEED HELP ASAP!!!!Instructions: Using the following image, solve for the trigonometry ratios of

Answers

Answer:

17

8/17

Step-by-step explanation:

x=[tex]\sqrt{8^{2} +15^{2} } =17[/tex]

sin∠D = [tex]\frac{8}{17}[/tex]

What is 60 minutes 20% of

Answers

Answer:

60 minutes is 20% of 300%

Step-by-step explanation:

60 minutes is 20% of 300

True or False. A triangle can be made with side lengths 4, 4 and 8.

Answers

Answer:

False

Step-by-step explanation:

A physicist examines 23 sedimentary samples for mercury concentration. The mean mercury concentration for the sample data is 0.036 cc/cubic meter with a standard deviation of 0.012. Determine the 80% confidence interval for the population mean mercury concentration. Assume the population is approximately normal. Step 1 of 2: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

Answers

Answer:

The 80% confidence interval is  [tex]0.0328 <  \mu <  0.0392[/tex]

Step-by-step explanation:

From the question we are told that

  The sample size is  n = 23

  The sample mean is  [tex]\= x = 0.036 \ cc/m^3[/tex]

   The standard deviation is  [tex]\sigma = 0.012[/tex]

From the question we are told the confidence level is  80% , hence the level of significance is    

      [tex]\alpha = (100 - 80 ) \%[/tex]

=>   [tex]\alpha = 0.20[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  1.282[/tex]

Generally the margin of error is mathematically represented as  

      [tex]E = 1.282  *  \frac{0.012 }{\sqrt{23} }[/tex]

=>    [tex]E = 0.00321 [/tex]

Generally 80% confidence interval is mathematically represented as  

      [tex]0.036  -0.00321 <  \mu <  0.036  + 0.00321[/tex]

=>  [tex]0.0328 <  \mu <  0.0392[/tex]

   

34 divided by 523.6




Answer

Answers

Answer:

0.06493506493

Step-by-step explanation:

Answer:

0.064935065

Step-by-step explanation:

Select the correct answer.
Which graph represents this equation?
y- 4=-3(x+5)

Answers

Step-by-step explanation:

The given expression is :

y- 4=-3(x+5)

⇒ y-4 = -3x-15

⇒y+3x = -15 + 4

⇒ y+3x= -11

We need to draw the graph for this equation. The attached figure shows the graph for this equation.

Michelin Tire Company wishes to set a minimum mileage guarantee on its new MX100 tire. Tests reveal the mean mileage is 67,900 with a standard deviation of 2,050 miles and that the distribution of miles follows the normal probability distribution. Michelin wants to set the minimum guaranteed mileage so that no more than 4 percent of the tires will have to be replaced. What minimum guaranteed mileage should Michelin announce

Answers

Answer:

The minimum guaranteed mileage is  [tex]x = 71489.55[/tex]

Step-by-step explanation:

From the question we are told that

   The mean is  [tex]\mu = 67900[/tex]

     The standard deviation is  [tex]\sigma = 2050[/tex]

Generally for the probability to be 4% the minimum guaranteed mileage is evaluated as

    [tex]P( X \ge x ) =1- P( \frac{X - \mu }{\sigma } < \frac{ x - 67900 }{ 2050} ) = 0.04[/tex]

[tex]\frac{X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ X )[/tex]

     [tex]P( X \ge x ) =1- P( Z<z) = 0.04[/tex]

=>  [tex]P( X \ge x ) = P( Z<z) = 0.96[/tex]

=>    [tex]z = \frac{ x - 67900 }{ 2050}[/tex]

From the z table, the critical value corresponding to 0.96 to the left of the curve is  

         [tex]z = 1.751[/tex]

So

        [tex]1.751 = \frac{ x - 67900 }{ 2050}[/tex]

=>     [tex]x = 71489.55[/tex]

4. Which of the following represents a function?
(8,3), (8,3), (-8, -3), (-8, -3)
0 (-5, 6), (-5, 6), (-5, -6), (-5, -6)
O (3,9), (-7, 1), (6, 12), (-3, -9)
O (5, 1), (5,2), (5, 3), (5, 4)

Answers

The 3 option
(3,9), (-7,1), (6,12), (-3, -9)

Evaluate:5^-1 – 6^-1
with explanation please!!

Answers

Answer:

1/30

Step-by-step explanation:

5^-1 = 1/5

6^-1 = 1/6

1/5 - 1/6 = 1/30


determine if any of the following listed pairs are congruent, select all that apply

Answers

Is there a picture I can look at?

Please please help fast! I don't have time!!! Please

Answers

Answer:

Concept: Statistical Analysis

2 and 4 would be correct and indicate a strong correlation between the subject and the result

every 5th visitor to an animal shelter gets a free animal calendar every 8th visitor gets a free animal toy witch visitor each day will be the first one to get both the calendar and the animal toy

Answers

Answer:

The 40th visitor will recieve both

Step-by-step explanation:

5×8= 40

8×5= 40

Arthemeatic sequence

Answers

Answer:

14

Step-by-step explanation:

its going down by 11

Using partial quotients, which would be the best choice for the first number to subtract in the division problem 858 +26?

Answers

Answer:

780

Step-by-step explanation:

We want to use partial quotients in the division problem 858 ÷ 26.

In partial quotients method, what we do is to repeatedly subtract from the dividend easy multiples of the divisor.

In this case, the dividend is 858 and the divisor is 26.

Thus, the first easy multiple of the divisor we can use will be 30 because 30 × 26 = 780 yields the closest value to 858.

Therefore, the best choice for first number to subtract is 780

Answer: 780

Step-by-step explanation:

The best choice for the division problem will be 780.

Find the distance across the bridge

Answers

Answer:

32.5 ft

Step-by-step explanation:

Answer:160

Step-by-step explanation:

I think because it shows 160 feet all the way down as the 32 and 20 are only the height of the bridge

how much is 48 oz in lobby?

Answers

Answer:

bill nyedddddddddddddddddddddddddddddddddddddddddddddddddddddd

Step-by-s dtep explanation:

dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Dan, Richard and Nick share £70 in a ratio 1:3:1. How much money does each person get?
Dan:
£

Richard:
£

Nick:
£

Answers

Answer:

dan 14 Richard 42 nick 14

81x^4 write as a square

Answers

Answer:

a square what

Step-by-step explanation:

Answer:

(9x^2)^2

Step-by-step explanation:

81 root is 9

Other Questions
Mai runs around a 400-meter track at a constant speed of 250 meters per minute. How many minutes does it take Mai to complete 4 laps of the track? Explain or show your reasoning Choose all that apply. Which country was expelled from the League of Nations?A-RussiaB-GermanyC-ChinaD-Italy During March 2019, Alaska Corporation recorded $266,000 of costs related to factory overhead. Alaska's overhead application rate is based on direct labor hours. The preset formula for overhead application estimated that $250,000 would be incurred, and 12,500 direct labor hours would be worked. During March, 12,500 hours were actually worked. Use this information to determine the amount of overhead over or under applied. Enter overapplied overhead as a negative number. (round In one of his many action movies Jackie Chan jumped off a building by wrapping a rope around his waist and then allowed it to unwind as he fell to the ground, much the same as a yo-yo. Assuming his acceleration toward the ground was a constant much less than g, the tension in the rope would be plz help Which letter represents the region on the map that the Hebrew people believed was the "Promised Land"?ABCD Which fraction is equivalent to 0.4?StartFraction 4 over 100 EndFractionOne-fourthFour-tenthsStartFraction 4 over 1 EndFraction expain how pope used irony to reflect enlightenment prinnciples The artificial cell in the picture below is permeable to monosaccharides but not polysaccharides. Initially, the artificial cell contained a solution of glucose and starch while the beaker was filled with only water. After a period of thirty minutes, the water solution in the beaker tested positive for glucose. What process allowed for this to occur? Evaluate the following expression, when d=2 and z=66z + 3(-7d-5) add me on the gram deirdre_wasjazzy In Austin Texas, there were 42 days where the temperature reached over 100 degrees. 1/3 of those days were in June. How many days in June did the temperature hit above 100?How man Read this excerpt from The Great Fire. Despite rough shoving and bumping, Claire managed to cling to her bundle and stay right behind the rest of her family. Others weren't so lucky. In the rush and panic, a number of people either lost their footing or were accidentally pushed from the sidewalk and into the busy street. Frantic animals stray horses and cows, dogs and cats, and even rats ran wild, causing increasingly more confusion. Which statement is a theme supported by this paragraph? In a chaotic situation, people often help others before helping themselves. In a chaotic situation, people sometimes act without regard for others. In a dangerous situation, people are able to look out for only themselves. In a dangerous situation, people try to associate only with people they know. You and two friends buy snacks for a field trip. Using theinformation given in the table, determine the price per pound for mixed nuts,granola, and dried fruit. Find the equation of the line.Use exact numbers.y=___x+____ What is the collective noun in the following sentence?The herd of cows grazed the rolling Vermont hills.O hillsVermontCOWSherdWhich one is the collective noun What is the measure of XBC?mXBC = mBAC + mBCA 3p 6 = p + 4 + 84 3p 6 = p + 88 2p 6 = 882p = 94mXBC = Find the area of the shape shown below Read the following scenario, and then answer the question.A patient who is at risk for developing bedsores is asked to move frequently. She is frail and elderly, and moving is very difficult for her. She is irritable and complains that she is being moved too often and cannot rest. Her adult son has also become annoyed and says that he thinks his mother should be left alone to rest.What is the best course of action for a healthcare professional in this situation?Allow the patient to stay in whatever position she finds most comfortable and stop moving her.Explain to the patient and her son why moving her is important and tell them of the possible risks of not moving.Explain that it is hospital policy to move patients in her situation, and that there is no choice in this matter.Offer to come back later after the patient and her son have cooled down. please help!!! if anyone knows