PLEASE HELP! DUE IN LESS THAN 2 HOURS! IM STUCK! I THINK THEY ARE ALL TRUE! WHAT ONE IS FALSE AND WHY! PLEASE HELP ME! YOU WILL GET 50 POINTS! THANKS QUESTION DOWN BELOW!!!

Answers

Answer 1

Answer: Choice D

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

Reason:

Let's go through the four answer choices to see which are true and which are false. We'll rule out the ones that are true.

A) This is true. We can use inductive reasoning to form a conjecture. A conjecture is basically a generalized guess. For example, a guess would be something like "the sum of the first n odd numbers is n^2". So 1+3 = 4, 1+3+5 = 9, 1+3+5+7 = 16, 1+3+5+7+9 = 25, and so on. Does the pattern go on forever? Or does it stop at some point? That's why a proof is needed.B) This is true. See choice A.C) This is true. Some conjectures have been proven (such as the example I mentioned in choice A) while others have not. A famous unproven conjecture is Goldbach's Conjecture. D) This is false. Inductive reasoning helps form a conjecture, but it does not lead to definitive proof. We would need deductive reasoning.

Related Questions

NEEEEEDDDD HELPPPPPP PLEASE...........
Solve for [x]. Each figure is a trapezoid.

Answers

Answer:

Step-by-step explanation:

Opposite sides of a trapezoid are parallel. So, by the same-side interior angles theorem,

[tex]-16x+10x+86=180 \\ \\ 10x+70=180 \\ \\ 10x=110 \\ \\ x=11[/tex]

What percent of 332.5 is 66.5?

Answers

After calculation the percentage, we have come to find that 66.5 20% percent of 332.5 .

What is percentage?

A percentage is a number or ratio in mathematics that could be expressed as a fraction of 100. If we need to calculate a percentage of a number, divide it by 100. As a result, the percentage denotes a part out of a hundred. The word % means "per 100." The symbol for it is "%."

Percentages can also be expressed as decimals or fractions, for example, 0.6%, 0.25%, and so on. Academic grades are calculated in terms of percentages. Ram, for example, received a 78% on his final exam. As a result, this percentage is calculated based on Ram's total marks across all subjects.

To find out percentage, We multiply the fraction of given numbers with 100

= 66.5/332.5 × 100

= 1/5 × 100

= 20%

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Pleaseeee
help me solve this

Answers

Answer:

x = 155°

Step-by-step explanation:

Given hexagon ABCDEF, you want to find the measure of interior angle E. Angles at vertices A, B, C, D, and F are specified.

Angle sum

The sum of the interior angles of an n-sided polygon is ...

angle sum = (n -2)180°

For the 6-sided polygon given, the sum of interior angles is ...

(6-2)180° = 720°

Application

The interior angle at vertex B is 360° -80° = 280°.

The interior angle at vertex D is 180° -115° = 65°.

Then the sum of interior angles is ...

A +B +C +D +E +F = 720°

85° +280° +30° +65° +x +105° = 720° . . . . . substitute known values

565° +x = 720° . . . . . . . collect terms

x = 155° . . . . . . . . . . subtract 565°

Additional comment

The angles in the attached figure are drawn to scale.

An alternate solution might draw segment CX through vertex B so that the figure containing angle x has no reflex interior angles. Then the interior angles of pentagon ABXEF will total 540°. Known angles in that figure are A=85°, B=100°, X=95°, F=105°. Then E=x=540° -385° = 155°.

We took this approach initially, to verify that the angle sum of the given hexagon remained 720° even with the reflex interior angle at B.

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 3 days and a standard deviation of 1.6 days.

Answers

(a) X is distributed normally.

(b) The median recovery time is 3 days.

(d) The probability of spending more than 2.3 days in recovery is 66.64 %.

(e) The probability of spending between 3.7 and 4.2 days in recovery is 10.7 %.

(f) The 85th percentile for recovery times is 5.24 days.

(a) We are informed that a certain surgical procedure's recuperation time for patients is typically distributed. As a result, X is distributed normally.

(b) The median will be equal to the mean because the patient recovery time has a normally distributed distribution. The median is therefore 3 days.

z = X - μ / σ

Now, we have the mean μ = 3 days.

Standard deviation, σ = 1.6 days

The observed value, X = 4.2 days

Therefore,

z = ( 4.2 - 3) / 1.6

z = 1.2 / 1.6

z = 0.75

(d) When X = 2.3 days

Then the z score will be:

z = X - μ / σ

z = 2.3 - 3 / 1.6

z = - 0.7 / 1.6

z = - 0.4375

The corresponding area for z = 0.4375 is 0.3336.

In order to determine the likelihood for a period longer than 2.3 days, we must look at the region to the right, which we can locate by deducting 0.3336 from 1.

Therefore, the probability will be:

p = 1 - 0.3336

p = 0.6664

p = 66.64 %

(e) Now, for the probability between X = 3.7 days and 4.2 days.

z₁ = (3.7 - 3) / 1.6 = 0.7/1.6 = 0.4375

z₂ = (4.2 - 3) / 1.6 = 1.2 / 1.6 = 0.75

The area for a z score of 0.4375 is 0.1664 and the area to left for a z score 0.75 is 0.2734.

Then the probability between 3.7 days and 4.2 days will be:

p = 0.2734 - 0.1664

p = 0.107

p = 10.7 %

(f) For the 85th percentile:

For 0.85 the z score from the table is 1.4.

So, z = 1.4

z = X - μ / σ

1.4 = ( X - 3) / 1.6

(1.4)(1.6) = X - 3

2.24 = X -3

X = 2.24 + 3

X = 5.24 days

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The complete question is mentioned below:

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 3 days and a standard deviation of 1.6 days. Let X be the recovery time for a randomly selected patient. Round all answers to 4 decimal places where possible.

a. What is the distribution of X?

b. What is the median recovery time? __________days

c. What is the Z-score for a patient that took 4.2 days to recover?

d. What is the probability of spending more than 2.3 days in recovery?

e. What is the probability of spending between 3.7 and 4.2 days in recovery?

f. The 85th percentile for recovery times is _________days.

Solve for x and show work

Answers

Answer:x = -4

Step-by-step explanation :

[tex] \longrightarrow \: - 4 + \frac{x + 4}{3} - 2 = 2(x + 1) \\ \longrightarrow \: { -4} + \frac{x}{3} + \frac{4}{3} - {2} = 2x + 2 \\ \longrightarrow \: { - 4}+ \frac{4}{3} - {2} - 2 = 2x - \frac{x}{3} \\ \longrightarrow \: -4 - 2 - 2 + \frac{4}{3} = 2x - \frac{x}{3} \\ \longrightarrow \: - 8 + \frac{4}{3} = 2x - \frac{x}{3} \\ \longrightarrow \: \frac{ - 20}{3} = \frac{5}{3} x \\ \longrightarrow \:\frac{ - 20}{3} \times \:3\: = 5x \\ \longrightarrow \:-20 = 5x\\\longrightarrow \:\frac{-20}{5} = x \\\longrightarrow \:x = - 4[/tex]

Written as a simplified polynomial in standard form, what is the result when
(2x + 5)2 is subtracted from 10?

Answers

I think it’s 4x Is you expand the brackets

A carpet is made with a blend of wool and other fibers. If the concentration of wool in the carpet is 75% and the carpet weighs 169 lb, how much wool is in the carpet?
lb

Answers

Answer:

Hope the picture will help you

Fiona spent of her money on a dress and $39 on a bag. If she had $121 left, how much money did she have at first?

Answers

she had $131 to start.

Answer:

She had $160 at first

Step-by-step explanation:

Fiona spent of her money on a dress and $39 on a bag. If she had $121 left, how much money did she have at first?

In order to find how much she had at first

we have to add how much she spent plus how much she has left with her

➟ $121 + $39

➟ $160

∴ She had $160 at first

the spread of data set X is greater than the spread of data set Y, and the data sets are normally distributed. Which statement is true? A. The mean of data set X is greater than the mean of data set Y. B. The median of data set X is less than the median of data set Y. C. The standard deviation of data set X is greater than the standard deviation of data set Y. D. The range of data set X is less than the range of data set Y. E. The mode of data set X is greater than the mode of data set Y.

Answers

here u go I hope this is the answer ur looking for!

Jorge wants to divide 3x2−x−2 by x + 4 using synthetic division. Which answer shows the correct process? Synthetic division problem with divisor negative four, and the dividends are three, negative one, and negative two. Under the negative one is negative twelve, and under the negative two is forty-four. Under the equals line are the numbers three, eleven, and forty-two. Image with alt text: Synthetic division problem with divisor negative four, and the dividends are three, negative one, and negative two. Under the negative one is negative twelve, and under the negative two is forty-four. Under the equals line are the numbers three, eleven, and forty-two. Synthetic division problem with divisor negative four, and the dividends are three, negative one, and negative two. Under the negative one is negative twelve, and under the negative two is fifty-two. Under the equals line are the numbers three, negative thirteen, and fifty. Image with alt text: Synthetic division problem with divisor negative four, and the dividends are three, negative one, and negative two. Under the negative one is negative twelve, and under the negative two is fifty-two. Under the equals line are the numbers three, negative thirteen, and fifty. Synthetic division problem with divisor four, and the dividends are three, negative one, and negative two. Under the negative one is twelve, and under the negative two is negative forty-four. Under the equals line are the numbers three, negative eleven, and negative forty-six. Image with alt text: Synthetic division problem with divisor four, and the dividends are three, negative one, and negative two. Under the negative one is twelve, and under the negative two is negative forty-four. Under the equals line are the numbers three, negative eleven, and negative forty-six. Synthetic division problem with divisor four, and the dividends are three, negative one, and negative two. Under the negative one is twelve, and under the negative two is negative fifty-two. Under the equals line are the numbers

Answers

The graph that shows the correct synthetic division process is given at the end of the answer.

How does synthetic division works?

In synthetic division, the coefficients of a polynomial are each divided by a value.This value is the zero of the divided polynomial, which goes into the far left box.

For this problem, we have that:

The divisor is: 3x² - x - 2, hence the coefficients are: 3, -1, -2.The dividend is: x + 4, hence the bottom left term is -4.

Then, from the graph, we have that:

The first coefficient, 3 is pushed to the bottom of the table.Then, each bottom term is multiplied with -4(3 x -4 = -12) and added with the next coefficient to get the result.-1 - 12 = -13, -13 x -4 = 52.-2 + 52 = 50.

Hence, the result of the division of 3x² - x - 2 by (x + 4) is 3x - 13 with a remainder of 50.

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Cynthia Besch wants to buy a rug for a room that is 19 ft wide and 33 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 275 square feet of carpeting. What dimensions should the rug have?

Answers

The dimensions of the rug that Cynthia Besch should buy are 11 ft wide and 25 ft long, which gives an area of 275 ft².

How are the dimensions determined?

The dimensions of the rug include the width and the length.

Cynthia is budget-constrained to buy 275 ft² only.

When we factorize 275, we have 1, 5, 11, 25, 55, and 275.

The possible combinations of width and length to get 275 ft² and also ensure that a uniform strip of the floor is left around the rug are 11 ft and 25 ft. This width and length are less than the room's width and length and satisfy the requirement for a uniform strip.

The strip from the room's width and length must be 8 ft each (from all sides).

Data and Calculations:

Width of room = 19 ft

Length of room = 33 ft

Area of room = 627 ft²

Dimensions:

Width of rug = 11 ft(19 - 8)

Length of rug = 25 ft (33 - 8)

Area = 275 ft² (11 x 25)

Thus, the dimensions of the rug that Cynthia Besch should buy are 11 ft wide and 25 ft long.

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HELPPPP PLEASE John walks away from his house down a straight street. The graph shows John's distance from his house over time. Describe his trip. Find John's speed on each section of the walk.

Answers

John's speed on each section of the walk are 4 km per hour, 0 km per hour and 1.5 km per hour

How to find John's speed on each section of the walk?

On the first section, we have the following points

(x, y) = (0, 0) and (1.5, 6)

The speed is calculated as

Speed = (y2 - y1)/(x2 - x1)

This gives

Speed = (6 - 0)/(1.5 - 0)

Evaluate

Speed = 4

On the second section, we have the following points

(x, y) = (1.5, 6) and (2, 6)

The speed is calculated as

Speed = (y2 - y1)/(x2 - x1)

This gives

Speed = (6 - 6)/(2 - 1.5)

Evaluate

Speed = 0

On the third section, we have the following points

(x, y) = (2, 6) and (6, 0)

The speed is calculated as

Speed = (y2 - y1)/(x2 - x1)

This gives

Speed = (0 - 6)/(6 - 2)

Evaluate

Speed = -1.5

Hence, John's speed on each section of the walk are 4 km per hour, 0 km per hour and 1.5 km per hour

Answers

The angle SQT is 55°

Explanation:

RQT is a right angle = 90°
So RQT - RQS = SQT
90° - 35° = 55°

Elimination method.

Answers

The -x and the positive x beneath it will cancel out because 1 + (-1) = 0

This leaves you with 7y=7

You then divide to get y=1
Hope this helped! :)

A probability experiment consists of rolling a 6-sided die. Find the probability of the event bel
rolling a number less than 5
The probability is
(Type an integer or decimal rounded to three decimal places as needed.)

Answers

The probability of rolling a number less than 5 is 0.667.

Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event asked. The value is expressed from zero to one. An outcome is a value we can obtain.

As we are given a 6-sided dice therefore,

Total possible outcomes = 6

Favorable outcomes (that is less than 5) = 4 [that are; 1, 2, 3, 4]

probability = number of favorable outcomes/number of possible outcomes

probability = 4/6

4/6 = 2/3

= 0.6666666666666

To round the value to three decimal places, we need to see if the fourth value after decimal is more than 5 or not. If it is more than 5, preceding digit is increased by 1. therefore, by applying the rule to the value we get

= 0.667 [rounded to three decimal places as needed]

therefore, the probability of the event given, that is rolling a number less than 5 is 0.667.

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Evaluate the expression when c = -4 and x=7.
-5x+c

Answers

Answer:

-39

Step-by-step explanation:

Hello, to do this problem, we need to use substitution.

c=-4 and x=7

-5x+c

-5(7)+-4

-35-4

=-39

Hope that helps

Answer:

c = -4

x = 7

- 5 (7) + (- 4)

- 35 + (- 4)

= - 39

Hope this helps :)

Anna has 55 coins in her piggy bank. She notices that she only has dimes and pennies. If she has exactly
four times as many pennies as dimes, how many pennies are in her piggy bank?

Answers

Answer: 44 Pennies

Step-by-step explanation: The ratio of pennies to dimes is 4:1. Add both numbers up to get 5 and divide 55 by 5 to get 11. multiply 4 and 1 from the ratio by 11 to get 44 and 11. This is the number of pennies and dimes.

Magic Mirror has $428,210 in capital and $87,498 in
liabilities. Find the assets.

Answers

The total asset of Magic mirror is $515,708

How to find the asset of magic capital?

Magic Mirror has $428,210 in capital and $87,498 in liabilities.

The capital is also know as the equity which means the company's net worth.

Liabilities are everything a business owes, now and in the future.

Assets are everything a business owns. Assets may be current or fixed assets

Therefore,

Total Assets - Total Liabilities = Capital

Where

Total Liabilities = $87,498Total assets = ?Capital = $428,210

Hence,

Total Assets = $87,498 + $428,210

Total Assets = $515,708

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A warehouse store sells 3.5-ounce cans of tuna in package of 3. A package of 3 cans costs $3.99. The store also sells 6.5-ounce cans in packages of 4 cans for $6.48. Which package is the best buy

Answers

Tuna? I think but I just think

Joanne has a toy box. the box contains three toy cars two dollars and five balls. without looking is Joanne chooses a toy from the box what is the probability of not selecting a toy car

Answers

Answer:mkpewmg pmblembmfe

Step-by-step explanation:

7 t8gt385uhg

At a workshop , each of the 100 participants hugs each other participants once. Find the total number of hugs?

Answers

Answer:

10000

Step-by-step explanation:

100 hugs x 100 hugs

= 10,000 hugs.

the expanded form for 300,648 can be written with only 4 addends . explain how this is possible for a number with 6 digits

Answers

Answer:

The expanded form of 300684 can be written with only 4. Add ends, explain how this is possible for a number with 6 digits. When we look at this number, we want to write that in expanded form, which means we want to write the value of each digit. So i look at the value the 4 in the one's place, so its value is 4 actually 4. The 8 is in the tense place, so its value is 810 point. The 6 is in the hundreds place, so its value is 600 point. The 0 is, in the thousands place, that's 0. Thousands. This 0 is in the 10000 point, so we have 010000 and i'm running out of room. So this 3 is in the 100000. Place of its value is 3 times 100000. It just think of it like money, you have 810 dollar bills, 600 dollar bills, etcetera. So if you have 41 dollar bills, you have 4 dollars. If you have 810 dollar bills, you have 80 dollars: 600 dollar bills. You have 600 dollars now. If you have 0 thousands and 010000, you don't have any money in this, so you don't need to write that down. So now i have 300 dollar bills. Some got a value of 300000 point, so they could leave me only 4 digits that i'm adding together reason being this was 0, so there was no value there.

which of the following number lines shows the solution to the inequality given below? 3x + 1 <_ -11 or 4x - 3 > 9

Answers

The number line which shows the solution to the inequality is option C

Number lines which shows the solution to the inequality

3x + 2 ≤ -11

4x - 3 > 9

3x + 2 ≤ -11

substract 2 from both sides

3x ≤ -11 - 2

3x ≤ -13

divide both sides by 3

x ≤ -13/3

x ≤ -4.33

4x - 3 > 9

Add 3 to both sides

4x > 9 + 3

4x > 12

divide both sides by 4

x > 12 / 4

x > 3

Ultimately, the answer to the inequalities is x ≤ -4.33 and x > 3

Therefore, the number line which shows the solution to the inequality is option C

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can someone help me with this ?

Answers

The height of the ball is given as 7.74 ft.

How to find the height of the ball

We have the value of h(X) to be

-[tex]-\frac{44x^{2} }{v^{2} } +x+6[/tex]

The initial velocity is given as v which is = 26

v = 26² = 676

the value of x is given as 2

We have to put these values in the formula

[tex]-\frac{44(2)^{2} }{676 } +2+6[/tex]

= 44 * 4/676 + 2 + 6

= -0.26 + 2 + 6

= 7.74

Hence we can say that the height of the ball is given as 7.74 ft.

Answers

The length of the rectangular garden given the area and width is 8/7 miles

Area of rectangle

A rectangle is a form of quadrilateral having opposing sides parallel and four right angles. The area of a rectangle can be calculated by multiplying the length by width.

Width of the rectangular garden = 14 mileLength of the rectangular garden = x mileArea of the garden = 16 square miles

Area of a rectangular garden = length × width

16 = x × 14

16 = 14x

divide both sides by 14

x = 16 / 14

x = 8/7 miles

Therefore, the length of the rectangular garden given the area and width is 8/7 miles.

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Use only the commutative property of addition to complete the statement.
2x + 21=

Answers

Based on the commutative property of addition, 2x + 21 = 21 + 2x.

What is the Commutative Property of Addition?

The commutative property of addition states that when we change the order of arrangement of the addends, the value of the sum remains the same.

For example, 3 + 4 = 4 + 3.

Also, given the statement 2x + 21, we can state that:

2x + 21 = 21 + 2x

Therefore, based on the commutative property of addition, 2x + 21 = 21 + 2x.

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If y and x vary directly and
y=1.4when x=3.2, what is x when y=2.6? Round to two decimal places. Show your work

Answers

If y and x vary directly, the value of y=2.6 then value of x is 1.14.

The tenths place is represented by the initial digit following the decimal. The hundredths place is denoted by the digit that followed the decimal. Up until there are no additional digits, the remaining ones keep the place values filled in the quantity.

For example, 2.84620364 can be round to two decimal places as 2.85, and 0.8035 can be round to two decimal places as 0.80.

Here x and y vary directly,

So , x/y = k

Therefore K is constant

For x = 3.2 and y = 1.4

Then x/y = k

3.2/1.4 = k

K = 1.6/0.7

If y = 2.6 what is x

y = 2.6 and k = 1.6/0.7

2.6/x = 1.6/0.7

1.6x = 18.2

X = 1.1375.

Hence, the Round to two decimal places of x is 1.14

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what are two different operations with at least four numbers that equal 12

Answers

Answer:

3+3+3+3=12

48-12-12-12=12

Step-by-step explanation:

common sense :)

Determine how long it will take for a principal amount of $1,500 to become double its initial value when deposited into an account paying interest at a rate of 13%, continuously compounded.
A.
5.33 years
B.
6.32 years
C.
11.25 years
D.
14.33 years

c is incorrect

Answers

Can you mark me briainliest?

How to do this problem in the picture 8th grade math

Answers

Answer:

4.69 x 10⁵

Step-by-step explanation:

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 469,000

New Number: 4.69000

Step 2

Now, to find b, count how many places to the right of the decimal.

New Number: 4 . 6 9 0 0 0

Decimal Count: 1 2 3 4 5

There are 5 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 4.69 (Please notice any zeroes on the end have been removed)

b = 5

Now the whole thing:

4.69 x 10⁵

Step 4

Check your work:

105 = 100,000 x 4.69 = 469,000

Answer: [tex]4.61 \times 10^5[/tex]

Reason:

The original number is 461,000 or 461000

Place a decimal point between the first two nonzero values. Erase the zeros and we get 4.61

To get back to 461000, we need to move the decimal point 5 spaces to the right. This is the exponent for the [tex]10^5[/tex] portion.

So [tex]461,000 = 4.61 \times 10^5[/tex]

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