Determine if conjecture: True or False

The difference between two negative numbers is always negative

Answers

Answer 1
we can prove it false with a counter-example


-4-(-2)=-4+2=-2, true
-2-(-4)=-2+4=2, not negative, that's our counterexample


false, the question sais 'always' but we found at least 1 instance where it is false and therfor it is a false statement
Answer 2

False, because the difference between two negative numbers is not always negative.

Here,

Given that, The difference between two negative numbers is always negative.

We have to prove this statement is true or false.

What is Negative number?

In the real number system, a negative number is a number that is less than zero.

Now,

We can prove it false with a counter example.

Let two negative number -6 and -8.

Hence, difference between -6 and -8 is,

⇒-6 - ( -8 )

⇒-6 + 8

⇒2

it is not negative number.

Hence, the difference between two negative numbers is not always negative.

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Related Questions

How many centigrams are there in 24 grams?
A. Restate the question: 24 grams=____centigrams
B. Use the place value chart to determine the multiplication factor,and solve.

Answers

there are 2400 centigrams in 24 grams

Four friends paid a total of 32 dollars for movie tickets. What is the ratio 32 dollars for4 people written as a unit rate

Answers

8 is the ratio for the unit rate

What is the mode of this data set? {8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6} 12.5 13 15 25 nextreset?

Answers

What is the mode of this data set? {8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6} 12.5 13 15 25 nextreset?

Mode = 15
mode is 15  trust me it is 

Which of the following is an advantage to using tables? A.Tables make the most difficult problems much easier. B.Tables can help to see patterns in data. C.All problems require tables to solve them.

Answers

The answer is B:Tables can help to see patterns in data.

Final answer:

The correct answer is that tables can help to identify patterns in complex data sets, particularly when multiple variables are involved. They provide a linear organization that simplifies finding specific data points and can facilitate the calculation of conditional probabilities in regard to dependent variables.

Explanation:

Selecting the correct advantage of using tables among the given options, the correct response would be option B: Tables can help to see patterns in data. Tables are indeed important tools when dealing with data and statistical information. They organize data in a linear way, making it easier to locate specific points. They're capable of breaking down complex data points that might be hard to convey through written explanation or through other graphical data representation formats.

Furthermore, tables are particularly useful when displaying data associated with multiple variables - for example in Contingency Tables or Two-way tables. These tables simplify the process of calculating probabilities, especially when the variables involved are dependent on each other. These tables can facilitate calculating conditional probabilities easily by decisively organizing the data.

While tables are advantageous in their own right, it's not accurate to say, as in option A, that they automatically make the most difficult problems much easier, nor, as in option C, that all problems require tables to solve them. Instead, they represent a powerful, but specific tool among many others available for data analysis.

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Compatible numbers are numbers in a problem that are easy to compute ---------------(it is blank. help me find the answer and i will give you 40 points!!!!!!) please find the blank!PLEASE!!!!!!!!!!

Answers

Compatible numbers are numbers that are easy to compute mentally One compatible number divides evenly into the other.

Compatible numbers are numbers in a problem that are easy to compute is a correct statement.

How to perform mathematical operations mentally ?

To perform mathematical operations like addition, subtraction,division and multiplication break the numbers into parts such that they are near to the multiple of 10 by subtracting or adding such values to those numbers.

According to the given question compatible are easy to compute it is true.

Compatible numbers are easy for addition, subtraction,division and multiplication and these operations can easily done by mentally without pen and paper.

For example - If we have to add 430 and 760.First we will add 400 and 700 that is 1100 and 30 added to 60 is 90 so the answer is 1190.

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How do you solve the cubic square root of 80

Answers

The cube root 80  = cube root 8 * cube root 10  = 2 cube root 10

as a decimal this is 2*2.1544 =   = 4.31 to nearest hundredth
You can type this on a regular calculator, the answer being 4.3088693801. Rounded up is 3.1

Jacob is training for a marathon. His plan is to run the same distance for 3 days a week, then increase that distance by the same amount each week of training. During week 6, Jacob runs 14 miles per day, which is 1.5 miles more per day than he ran during week 5. Which equation represents the daily running distance, in miles, as a function of time, t, in weeks?
f(t) = 0.5t + 7
f(t) = 0.5t + 11
f(t) = 1.5t + 5
f(t) = 1.5t + 12.5

Answers

it 1.5t + 5 is the answer hope it right

it is C hope this helps

A _______ is a set of characters that uses the same typeface.

Answers

Final answer:

A font is a complete set of characters with the same typeface or design, crucial for typographic identity in various industries. Typefaces can be serif, conveying classical vibes, or sans serif, appearing modern. Digital advancements have made typefaces more accessible and diverse for designers.

Explanation:

Understanding Typeface in Typography

A font is a complete set of characters that uses the same typeface or design. This uniformity is a vital aspect of typographic identity and conveys different meanings and vibes, which can be crucial to a corporate image, for instance. The selection of an appropriate typeface is influenced by its use case; businesses might choose a typeface that reflects their industry and brand values. The character of a font can be greatly affected by factors such as whether it is serif or sans serif. A serif typeface, which includes small decorative lines at the end of the strokes that form the letters, like Times New Roman or Garamond, often conveys a classical or refined feeling. In contrast, sans serif typefaces, like Helvetica, lack these lines and therefore appear more modern.

The evolution from physical typesetting to digital design has vastly increased the availability and variety of typefaces, making them accessible and affordable, some even for free. In addition, digital typefaces can be created and distributed worldwide with minimal cost. This evolution has led to a proliferation of typefaces for designers to choose from in creating distinct and visually engaging texts.

A daycare center charges a $75 enrollment fee plus $100 per week. Write a function, C, for the cost of daycare after a certain number of weeks. w.

Answers

the equation would be:

C = 75+100w

Answer: Our required function would be

[tex]C=75+100w[/tex]

Step-by-step explanation:

Since we have given that

Charges of daycare = $175

Enrollment fee = $100 per week

Let C be the cost of daycare after a certain number of weeks.

Let w be the number of weeks.

So, function would be

[tex]C=75+100w[/tex]

Hence, our required function would be

[tex]C=75+100w[/tex]

to get to work truman waited 11 minutes for the bus, then travled 21.78 miles on the bus at a speed of 33 miles per hour how much time passed from the time Truman left for work to the time he arrived at work

Answers

Final answer:

Truman took approximately 51 minutes to get to work.

Explanation:

To calculate the total time it took Truman to travel to work, we need to consider the time he waited for the bus and the time it took to travel the distance.



Truman waited 11 minutes for the bus.The distance traveled on the bus is 21.78 miles.Truman's speed on the bus was 33 miles per hour.To calculate the time taken to travel the distance, we can use the formula:

Time = Distance / Speed

Time taken to travel = 21.78 miles / 33 miles per hourThis gives us a total of approximately 0.66 hours.To convert the time to minutes, we multiply by 60 (since there are 60 minutes in 1 hour), which gives us approximately 40 minutes.Adding the 11 minutes Truman waited for the bus, the total time passed from the time Truman left for work to the time he arrived at work is approximately 51 minutes.

On Monday, a local hamburger shop sold a combined total of 426 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Monday?

Answers

same as the other one men. you divide 426 by 3, which equals 142, and 142 is your final aswer.

A 6ft tall person casts a shadow that is 10 ft long. A nearby statue casts a 16 ft shadow. How tall is the statue?

Answers

12 because if the 6ft person shadow is 10 . 6+?=10 and do the math 4 so now 16-4=12 there u go

Triangle ABC is an isoceles right triangle inscribed in a circle. the center of the circle is point D and the diameter of the circle is AC. Which of the following would NOT be true for the right triangle and circle described above?

The measure of arc AC is equal to the measure of arc AB
AD is congruent to DC and to BD
The measure of arc AB is equal to the measure of arc BC
the measure of angle B is 90 degrees

Answers

Choice A) This is false. Arc AC is 180 degrees while arc AB is 90 degrees. 

Choice B) This is true. These segments are radii

Choice C) This is true. AB is 90 degrees and so is BC.

Choice D) This is true due to Thales Theorem. 

--------------------------------------------------------------------

The only answer choice that is false is choice A.

Therefore, the final answer is choice A

The difference of the squares of twenty and thirteen

Answers

20 squared = 400
13 squared = 169
 400
-139

(231)

What is 19.2×108 minutes in hours? 1.152×1011 ​h​ 1.152×107 ​h 3.200×109 ​h​ 3.200×107 ​h​

Answers

Here are the correct answers:
1.) 19x108=35.6 hrs 
2.)1.152x1011=1164.67 hrs
3.)1.152x107=123.26hrs
4.)3.200x109=348.8 hrs
5.)3.200x107=342.4hrs

Answer:

3.200×107   ​h

Step-by-step explanation:

$48 decreased by 25%

Answers

25% is the same as .25 when solving math problems.

So 25% of $48 can be found by $48*.25, which equals $12.

So if $48 is decreased by $12, then we are left with $48-$12=$36

The woods behind Adam’s house has a length of 15 m and is 4 m wide. What is the perimeter of the woods(in m)?

Answers

So the length of the house is 15 so 15 x 2 or 15+15= 30. And the withht is 4 so 4 x 2 or 4+4= 8 so 30+8= 38
Final answer:

The perimeter of the woods behind Adam’s house, which is shaped as a rectangle, is calculated by the formula 2(length + width), substituting the given values we get 38 m.

Explanation:

The subject of this question involves calculating the perimeter of a rectangle, in this case, the size of the woods. Perimeter is calculated by adding all the sides of a figure, and for a rectangle, you can calculate it using the formula: 2(length + width).

Given that the length of the woods is 15 m and the width is 4 m, we can substitute these values into the formula like this: 2(15m + 4m) = 2(19m) which gives us a total perimeter of 38 m.

To visualize this, if an average male is about two meters tall, around 19 men laid end to end would cover the total perimeter of the woods.

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Solve x = log9(4)
**Round your answer to the nearest hundredth.

Answers

Log base 9 of 4 is .63

What is the degree of the polynomial c^4+7c^2

Answers

It is a polynomial, and the degree is quartic

hope this helps

What is the value of x

24
9
21
14

Answers

Both of this angles are same side interior angles which means both of this angles when added equal to 180 degrees

5x +15 + 3x - 3 = 180

8x - 12 = 180
     +12     +12

8x = 192 

x = 24

we know that

[tex](5x+15)\°+(3x-3)\°=180\°[/tex] -----> by consecutive interior angles

so

Solve for x

[tex](5x+15)+(3x-3)=180\\ 8x+12=180\\8x=180-12 \\x=168/8 \\x=21\°[/tex]

therefore

the answer is

[tex]x=21\°[/tex]

Given: ∠KJL and ∠KML intercept arc KL. Prove: m∠KJL = m∠KML

Answers

The Prove of m∠KJL = m∠KML is shown below.

What is Arc?

An "arc" is a smooth curve that connects two points in mathematics. In general, an arc is a section of a circle. It is essentially a portion of a circle's circumference. An arc is a type of curve.

We have,

KJL and ∠KML intercept arc KL.

Now, Angle made by arc at center is double the angle made on any point on the circle other than arc.

So, m <KJL = 1/2 < ( KL)

m <KML = 1/2 (KL)

By comparing the above statement

m <KML = m <KJL

Hence proved.

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Which property is illustrated by the following equation?
- 8 ( - 5 + 3 ) = - 8 ( - 5 ) + ( - 8 )(3)

Answers

Answer: Distributive Property
(aka "distribution")

The distributive property has you multiply the outer number -8 by each number inside the parenthesis. The products are then added up. The term "product" in math means the result of multiplying two or more numbers. 

Use the LCD to rewrite 1/6 and 3/8 with the same denominator

Answers

the lcd for 6 and 8 is 24
u muliple 6 by 4 to get 24 so you also must multiple 1 by 4
u multiple 8 by 3 to get 24 so you also must multiple 3 by 3

to write it out

1/6=4/24
3/8=9/24

The two fractions expressed using lowest common denominator (LCD) is written as  [tex]\frac{4}{24} \ and \ \frac{9}{24}[/tex]

The given fractions;

1/6 and 3/8

LCD is the lowest common denominator. To express the given fraction using LCD, we will consider the common multiples of the denominators.

The common multiples of 8 and 6 include the following;

first multiple = 24second multiple = 48

With the first common multiple, we will rewrite the two fractions to have the same denominator as shown below;

[tex]\frac{1}{6} = \frac{4}{6\times 4} = \frac{4}{24} \\\\\frac{3}{8} = \frac{3\times 3}{8\times 3} = \frac{9}{24}[/tex]

Thus, the two fractions with the same denominator is written as [tex]\frac{4}{24} \ and \ \frac{9}{24}[/tex]

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If f(x)= x^2-25 and g(x)= x-5, what is the domain of (f/g) (x)

Answers

The domain of the compound function (f/g)(x) is all real numbers except x = 5, where the function g(x) would cause a division by zero.

To find the domain of the compound function (f/g)(x), we need to consider the domains of both f(x) and g(x), as well as where g(x) is not equal to zero, since we cannot divide by zero.

The function f(x) = x^2 - 25 is a quadratic function and its domain is all real numbers because a quadratic function is defined for every real number.

The function g(x) = x - 5 is a linear function, and its domain is also all real numbers. However, for the quotient (f/g)(x), we must exclude the value where g(x) = 0. Solving g(x) = 0 gives us the value x = 5.

Therefore, the domain of (f/g)(x) is all real numbers except x = 5, since at x = 5, the denominator g(x) would be zero, making the division undefined.

Explain how you would order from least to greatest three numbers that include a positive a negative number and zero

Answers

Negative numbers are indicated by a minus (-) sign and have the least value, so they would be ordered first. Zero has a greater value than a negative number and a smaller value than a positive number, so it would be ordered next. Positive numbers have the greatest value, so they would be ordered last. Ex: -2, 0, 2


solve the system of equations {3x-y=6 { 6x+y=21 explain the steps on how to do this please

Answers

I would set the equations on top of each other and subtract

6x+y=21
- 3x-y=6
________
3x=15

Then solve for x
X=5

To solve for y, plug 5 in for x for one of the equations
The easiest way to solve this is by elimination. 

3x - y = 6 
6x + y = 21

Since you have a negative and positive y with the same coefficients (1), they cancel, and you add the other terms so it would look like:

9x = 27 

Then solving for x leaves you with x = 3 

Then you take the x value of three and plug it into to either of the equations, so 

3(3) - y = 6

9 - y = 6 

subtracting 9 

-y = -3 

then dividing by -1 

y = 3 

so the solution is x = 3 y = 3 or (3,3) 

Lin parachutes from a plane at a height of 22,000 ft above sea level. Several minutes later she notes from an instrument on her wrist that she had dropped 10,000 ft. How far above sea level is she now?



–12,000 ft

6000 ft


10,000 ft

12,000 ft

Answers

Lin is 12000 ft far above sea level.

What is subtraction?

The process of subtracting one number from another is known as subtraction.

Given that, the initial height of Lin is 22000 ft.

Now, the height of Lin is dropped by 10000, therefore, the new height is:

22000 - 10000

= 12000

Hence, Lin is 12000 ft far above sea level.

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Two angles form a linear pair. the measure of one angle is 26∘26∘ greater than the measure of the other angle. find the measure of each angle.

Answers

Final answer:

To find the measures of two angles forming a linear pair, where one angle is 26° greater than the other, set up an equation with the sum equal to 180°. Solving the equation reveals that the angles measure 77° and 103°.

Explanation:

When two angles form a linear pair, they are adjacent (share a common side) and supplementary, meaning their measures add up to 180°. If one angle is 26° greater than the other, we can set up the following equations to represent the relationship between the two angles:

Then x + 26° is the measure of the larger angle.

Since they form a linear pair, x + (x + 26°) = 180°.

Combining like terms gives us 2x + 26° = 180°. To find the value of x, subtract 26° from both sides, yielding 2x = 154°. Divide by 2 to get x = 77°. Therefore, the smaller angle measures 77°, and the larger angle measures 77° + 26° = 103°.

Summarily, the measures of the two angles forming a linear pair are 77° and 103° respectively.

A sporting goods store pays $120 for a rubber raft. The percent of markup is 45%. Find the raft’s selling price.

Answers

45% of 120 is 54
120 + 54 = 174
The raft's selling price is $174

In England, mass is measured in units called stones. One pound equals 1/14 of a stone. A cat weighs 3/4 stone. How many pounds does the cat weigh?

Answers

First off, mass is not measured in pounds, weight is.

But, I can still solve this for you!

1/14 * 3/4
3/56 pounds is your answer

Hope this helps!
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