Mathematics College

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Answer 1

Answer:

hey dude option b is the correct answer

Answer 2

The answer is B
because it says the amount of guitars is ould be 2 less than the amount of violins

Related Questions

Which term is defined by the following statement?

used to demonstrate the validity of a conjecture based on the truth of a first case, the assumption of truth of a kth case, and the demonstration of truth for the (k + 1)th case
a.
sigma notation
c.
Euler’s formula
b.
mathematical induction
d.
n factorial

Answers

Answer:

Mathematical notation

Step-by-step explanation:

edge 2021

A statement 'used to demonstrate the validity of a conjecture based on the truth of a first case, the assumption of truth of a kth case, and the demonstration of truth for the (k + 1)th case' defines mathematical induction.

The correct answer is option (b) mathematical induction.

What is sigma notation?

"The sigma notation (Σ) is generally used to denote a sum of multiple terms."

What is Euler's formula?

In geometry, V − E + F = 2

where, V, E, and F are the numbers of vertices, edges, and faces of any simple polyhedron

What is n factorial?For a positive integer n, the n factorial is the product of all the positive numbers preceding or equivalent to n.n! = n × (n-1) × . . . × 1What is mathematical induction?It is used to prove that an identity is valid for all integers n ≥ 1 .Steps to show a propositional function F(n) is true for all integers n ≥ a, where a is a fixed integer.

- F(a) is true.

- if F(k) is true for some integer k ≥ a, then F(k + 1) is also true.

For given example,

a statement 'used to demonstrate the validity of a conjecture based on the truth of a first case, the assumption of truth of a kth case, and the demonstration of truth for the (k + 1)th case' defines mathematical induction.

Therefore, the correct answer is option (b) mathematical induction.

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Set up an equation and solve for unknown variable.
“The difference of 2 and a number is equal to the sum of 5 and that same number”

Answers

Answer:

x = 3/2 or 1.5

Step-by-step explanation:

Let the unknown number be x.

Translating the word problem into an algebraic expression, we have;

2 - x = 5 + x

Rearranging the equation, we have;

x + x = 5 - 2

2x = 3

x = 3/2

x = 1.5

What is the volume of a triangular prism whose base has an area of 38.2mm and heigh of the prism meausers 14mm?

Answers

Answer:

534.8

Step-by-step explanation:

Volume= area × height

= 38.2×14

= 534.8

Hence the volumer is 534.8

Answer:

534.8 mm

Step-by-step explanation:

The volume of a triangular prism is given by the relation :

Volume = Base area * height

Base area = 38.2 mm

Height = 14 mm

Hence, the Volume of triangular prism is :

V = 38.2mm² * 14mm

Volume = 534.8 mm

If mL2=7x+7,mL3=5y, and mL4=140. find the value of x and y

Answers

Answer:

your picture of the electronic communications privacy act of question this is what should I

a marrow plants 0.5 m long. every week it grows by 20%. a find the value of the common ratio. b calculate how long the plant is after 12 weeks. e comment on the predicted length of the marrow after one year.

Answers

Answer:

The common ratio is 1.2.

After 12 weeks the plant will be 4.46 meters long.

After one year the plant will be 6,552.32 meters long.

Step-by-step explanation:

Given that a marrow plants 0.5 m long and every week it grows by 20%, to find the value of the common ratio, calculate how long the plant is after 12 weeks and comment on the predicted length of the marrow after one year must be performed the following calculations:

0.50 x 1.2 ^ X = Y

Therefore, the common ratio is 1.2.

0.50 x 1.2 ^ 12 = Y

0.50 x 8.916 = Y

4.4580 = Y

Therefore, after 12 weeks the plant will be 4.46 meters long.

0.50 x 1.2 ^ 52 = Y

0.50 x 13,104.63 = Y

6,552.32 = Y

Therefore, after one year the plant will be 6,552.32 meters long.

Co...
1.2 m
2.5 m
3.5 m
The front of a house needs to be painted black. The garage door is 1.5 m high and 2 m wide.
A) How many square meters of black paint will be needed to paint the house not including the
garage door?
Show your work

Answers

Answer:

Step-by-step explanation:

Multiplecation by the length width, and the height, then divide and its 16.

Elijah has

1/2

bag of candy. A bag of candy weighs

5 pounds. How many pounds of candy does Elijah have?

Answers

Answer:

2.5 pounds of candy

Step-by-step explanation:

5 / 2 = 2.5

In other words 5 divided by 2 is 2.5 pounds of candy

2.5 pounds dudeeeeeeeeeeeeeee

Find the value of x

Answers

Answer:

Vertical Angles Are Equal. Therefore,

2x + 1 = 75

2x = 74

x = 37

Step-by-step explanation:

Sin60+ tan60÷ cos60+ sec60

Answers

Answer:

5.196152423

Step-by-step explanation:

Answer for this problem: 6.33012701

PLLZZZ HELP MEEE. THANKS

Answers

Answer:

nose pana

Step-by-step explanation:

What's the answer for each to get 30 points!

Answers

Answer: "greater than" for each of the 4 dropdown menus

======================================================

Explanation:

Divide each value in the table by 40

You should get:

Horse = 15/40 = 0.375Cow = 12/40 = 0.300Sheep = 14/40 = 0.350Pig = 19/40 = 0.475

Those decimal results are the experimental (ie empirical) probabilities. Theoretically, we should get 1/4 = 0.250 for each sticker type assuming each sticker is likely to be chosen. As you can see, each decimal value shown above is larger than the theoretical target of 0.250, so each answer is "greater than"

-----------

Here's another way to see why this is:

If we had 40 stickers total, and each animal has the same number of stickers, then we should have 40/4 = 10 stickers per animal type. But the table shows each frequency is above 10. So that must directly mean the empirical probability of picking any animal is greater than the theoretical probability.

Does anyone know how to do this plz help if u can.

Answers

Answer:

1. Positive

2. I can't read the second question...

Step-by-step explanation:

1. When you graph this equation and look at the quadrant 2, you see that the graph makes a happy face which means that it's positive

2. Give me brainliest

Which of the following is equivalent to the expression 2(1-x)+3x

Answers

Answer: THE ANSWER IS 5 SORRY

Step-by-step explanation: SORRY

Answer:

2-2x+3x

2+x

hope this helps

have a good day :)

Step-by-step explanation:

HELLOOOOOOOOOOOOOOOOOOOOOO

Answers

sup?

how u doin

have a good day

Look at these figures. Which two figures have the same number of faces?

Answers

I can not see the figures y’all are talking about

I WILL GIVE Brainiest IF YOUR RIGHT

Answers

Answer:

answer: A.

Step-by-step explanation:

A triangle adds up to 180 degrees A cannot be the angle measurements of a triangle because it equals over 180 degrees because

60 + 60 + 61 = 181 So A is the answer. Hope that helps!

A. The sum of angles in a triangle is 180 degrees. A adds up to 181. Therefore it can’t be angles of triangle.

Cally wants to coat her driveway with a winter sealer. Her driveway is 18 feet long and shaped like a trapezoid. At the garage door, the driveway is 12 feet wide, then it widens to 20 feet at the street. How many square feet of sealer should Cally buy if she wants to apply two coats?

Answers

Answer:

Amount of Winter sealer for 2 coats[in square feet] = 576 square feet

Step-by-step explanation:

Given:

Length of drive way at garage door = 12 feet

Length of drive way at street = 20 feet

Length of total driveway = 18 feet

Find:

Amount of Winter sealer for 2 coats[in square feet]

Computation:

Amount of Winter sealer for 2 coats[in square feet] = 2[Area of trapezoid]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(Sum of parallel side)(Height)]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(12 + 20)(18)]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(32)(18)]

Amount of Winter sealer for 2 coats[in square feet] = 32 x 18

Amount of Winter sealer for 2 coats[in square feet] = 576 square feet

Is -90 + (-5) positive or negative? Explain how you know.

Answers

Answer:

negative because since -90 and -5 are both negative just add and keep it the sign which is -95

hope this helps

have a good day :)

Step-by-step explanation:

The dot plot shows the ages of students, in years, on a basketball team. Each dot represents 1 student. Find the mean (rounded to the nearest tenth) and the mode of the data.

Answers

Answer:

Mode = 15

Mean = 12.8

Step-by-step explanation:

Given the data :

As obtained form the dot plot :

X : 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15

The mean of the data:

Mean = ΣX / n

Mean = 179 / 13

Mean = 12.785 = 12.8 years

Mode = most frequently occurring value = 15

500 - 20x ≥ 200 I need help

Answers

Answer:

x [tex]\leq[/tex] 15

Step-by-step explanation:

please answer tis question plss

Answers

A 105,100,90,75,55
C 10,15,20,25,30,35
D 6,10,15,21,28,36

-5: -2; 1;

write the next 3 terms

Answers

Answer:

Next 3 of the sequence are 4, 7, 10

You are adding by 3.

-2 - -5= 3

-2 + 3=1

1+3=4

4+3=7

7+3=10

Help pls also show work if needed! WILL GUVE BRAINLIST

Answers

Answer

14a - Yes

14b - No

14c - Yes

14d - No

Need answer ASAP

Keiko and Eric each randomly surveyed people with cell phones. They recorded peoples’ ages (a years) and how many texts they send per day on average (t texts). For their respective data, they each drew a line of best-fit and determined its equation. They then compared equations and made inferences based only on the equations they calculated.

Answers

Answer:

subject?

Step-by-step explanation:

The inferences given can be concluded as (a) Agree, (b) Disagree, (c) Agree, (d) Disagree and (e) Disagree

What is an Equation?

An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.

Given two equations made each by Keiko and Eric. They are,

Keiko : t = -1.63a + 92.14

Eric : t = -1.05a + 80.97

(a) As the value of a increases, the value of t decreases for both of the equations.

So the first statement is true.

(b) When a = 20 and 30, t = 59.54 and 43.24 in the equation of Keiko.

When a = 20 and 30, t = 59.97 and 49.47 in the equation of Eric.

On an average, Eric's equation gives more t.

So second statement is false.

A person with 0 years old cannot end texts.

So y intercept does not have a relevant meaning.

So c is also true.

(d) -1.63 and -1.05 is the slope of the corresponding lines.

This means that for every 1 year increase in age, the number of text messages decreased by 1.63.

So this is false.

(e) Similarly, in case of Eric's equation, for very 1 year increase in age, the number of text messages decreased by 1.05.

This is also false.

Hence the inferences are either agreed or disagreed as explained.

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Konas mother realized that her difference of konas age squared and four if k represents konas age which expression represents konas mothers age

Answers

Answer:

Step-by-step explanation:

The required expression representing Kona's mother age is k^2-4

Step-by-step explanation: Given that Kona’s mother realized that her age is the difference of Kona’s age squared and four.

We are to find the expression that represents Kona’s mother’s age.

Given that Kona's age is represented by k .

So, the square of Kona's age will be k^2

Now, we are suppose to take the difference of k^2 and 4, which is represented by k^2-4

We cannot take 4-k^2 because the age of Kona's mother cannot be so small.

Therefore, if 'm' represents the age of Kona's mother, then we get

m=k^2-4

Thus, the required expression is k^2-4

What is the factorization of the polynomial below?
3x3-12x2 - 96x
O A. 3x(x-8)(x+4)
O B. 3x(x + 3)(x+4)
O C. 3(x2 - 3)(x+4)
OD. 3(x-8)(x + 4)

Answers

Answer:

The answer is A. 3x (x-8) (x+4)

Solve the equation. 18 = m - 18

Answers

Answer:

n = 36

Step-by-step explanation:

18 = n - 18

add 18 to both sides

36 = n

n = 36

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Answer:

Step-by-step explanation:

18 + 18 = 36

36 - 18 = 18

Mark as Brainliest

What is the inverse function of f(x) = -2?
Hurry please

Answers

Answer:

Step-by-step explanation:

2x/x-1

Which statement is true..

Answers

Statement d is the only correct statement

Answer:

Step-by-step explanation:

count the rise over run of 2 real points

The following two way table describes students after school activities find the probability that a randomly selected student is in sports

Answers

Answer:

0.65

Step-by-step explanation:

There’s 65 students total in sports, so you divide that by 100 to get your answer

Answer:

0.65

Step-by-step explanation:

sophomore + junior + senior = total number of students that play sports

20 + 20 + 25 = 65

65 ÷ 100 = 0.65

0.65 rounded to the nearest hundred would still be 0.65

Other Questions

Read The Water Cycle.The water cycle is a natural phenomenon. It has implications for all of the living creatures it affects. Water is drawn up into the atmosphere as it evaporates from the ground, rivers, lakes, oceans, flora. and fauna. This water collects in our atmosphere. Then, it gathers together in concentrations that form clouds. Eventually, the clouds become too dense with water. This causes precipitation to begin and fall back down through our atmosphere. It lands on the Earth's surface as rain or snow. This precipitation then travels through the ground, plants, rivers, lakes and oceans. From there, it evaporates back up into the air to begin the cycle again.Water is restorative in nature. A threat to the natural restorative nature of the water cycle is acid rain. Acid rain is caused by certain gas emissions in our atmosphere. Volcanoes release some of these gases naturally. However, the primary cause of these harmful emissions is human activity and industry. Large factories and gas-powered vehicles send harmful pollutants into the air. As these harmful gases are released into the atmosphere, they are caught in evaporated water molecules, causing acid clouds to form. The gases are also picked up by precipitation that falls from the clouds. The gases mix with the water molecules to form acids, which then fall from the sky as rain or snow. As air pollution continues, acid rain in the water cycle worsens.Acid rain can poison plants and be harmful to animals. It is so strong that it slowly breaks down buildings and stone. The acids break down building materials. They can also burn the leaves of plants. Acid rain can even change the chemical make up of soil, making it toxic to plant life. It can also lower the productivity of farms and crop yields. As rivers and lakes become more acidic, acid rain destroys fish and aquatic life. Ocean creatures with exoskeletons are at risk of acidic waters. The acid weakens and dissolves their exoskeleton. There are many harmful effects on the water cycle caused by acid rain.Which of the following best describes the structure of the article? (2 points) aCause and effect bChronological order cCompare and contrast dProblem and solution List four ways that the Roman civilization still influence us todayNO LINKS NO GOO GLE COPYRIGHT MAYBE ILL MARK BRAINLIEST A baseball pitcher won 65% of the games he pitched in his career out of 400 games. How manygames did he won? Question is on the picture/screenshot what is it it is for history Mohammed needs to ensure that users can execute a query against a table but provide different values to the query each time it is run. Which option will achieve this goal?parameter queriesdynamic queriesquery joinsstatic queries I need help with number 6 please PLEASE HELP ASAP IM IN A TEST RN Suppose that the radius of a circle is 9.5 cm.the answer choices are in the pictures Si 4 L de un gas estn a 0,79 atm de presin, Cul ser su nuevo volumen, si aumentamos la presin hasta 1,05 atm? Read the following excerpt from Levitt and Dubners Freakonomics.The bagel data also reflect how much personal mood seems to affect honesty. Weather, for instance, is a major factor. Unseasonably pleasant weather inspires people to pay at a higher rate. Unseasonably cold weather, meanwhile, makes people cheat prolifically; so do heavy rain and wind. Worst are the holidays. The week of Christmas produces a 2 percent drop in payment ratesagain, a 15 percent increase in theft, an effect on the same magnitude, in reverse, as that of 9/11. Thanksgiving is nearly as bad; the week of Valentines Day is also lousy, as is the week straddling April 15. There are, however, a few good holidays: the weeks that include the Fourth of July, Labor Day, and Columbus Day. The difference in the two sets of holidays? The low-cheating holidays represent little more than an extra day off from work. The high-cheating holidays are fraught with miscellaneous anxieties and the high expectations of loved ones.Based on the excerpt, the conclusion that personal mood seems to affect honesty is best supported by which of the following statements?Relaxing summer and fall holidays generally cause payment rates to drop.Stressful fall and winter holidays generally cause payment rates to drop.Relaxing summer and fall holidays generally cause theft rates to increase.Stressful fall and winter holidays generally cause theft rates to remain steady. If m1 = 120, find m3: A. 30B. 60C. 90D. 120 Maggie opened a savings account and deposited $200. She will deposit $50 into this account each week, w, and will make no withdrawals. The equation below shows how she will calculate the total amount in the account, t, after each deposit. Which of the following is the independent variable? Help????????!!!!!!!!!!!!!!!!!!! List the helpful interactions.List the harmful interactions. Plz help! Will give brainlest A main difference between capitalism and socialism is:A. Individuals in a socialist economy make progress when they follow their self interest and manage their resources independent of governmentregulationB. the government intervenes in the economy, distributes resources and services to its peopleC. there is a lot more competition in a socialist economy due to goverment participation in the market.D. the government does not intervene in a socialist economy allowing for more freedom and more potential inequalities what is the subject of the poem valentine for Ernest Mann Amy-Jo works for herself selling weight-loss products door to door. This isnot typical, because most door-to-door salespeople work for companies.not typical, because products are rarely sold door to door.typical, because most door-to-door salespeople are self-employed.typical, because most weight-loss products are sold door to door. Read the excerpt from act 2 of hamlet which of these lines uses a similar to make a comparison? Check all that apply Find the area. Simplify your answer.2x8Submit

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help please! i need this rn
NO LINK PLEASE