If a < b, what additional assumptions on a and b will guarantee that a^2 < b^2. Prove your assumption.

Answers

Answer 1

Answer:

An additional assumption is that a is not negative.

Step-by-step explanation:

If a could be negative, then:

(-7)^2 < 3^2  would be false because

49 is not greater than 9


Related Questions

Help please need to finish up this work soon!!

Answers

9514 1404 393

Answer:

  x = 605π/12 ≈ 158.4

Step-by-step explanation:

To eliminate the denominator under the variable, multiply both sides of the equation by that value.

  [tex]\dfrac{x}{\pi\cdot11^2}=\dfrac{15}{36}\\\\x\cdot\dfrac{\pi\cdot11^2}{\pi\cdot11^2}=\dfrac{5}{12}\cdot\pi\cdot11^2\\\\\boxed{x=\dfrac{605\pi}{12}\approx158.38863}[/tex]

Write the integer that represents the situation. °F represents the change The temperature was 15°F. It dropped so that the temperature was 0°F. in temperature. °F represents the change in temperature.​

Answers

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

-15

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

The temperature dropped from 15°F to 0°F. The change was negative in value since it dropped to a lower temperature. The temperature dropped by 15 degrees, so we would fill in the blank with -15.

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

un automóvil a recorrido 640 km a velocidad constante 4 horas Cuál es la velocidad del automóvil​

Answers

Answer:

2,560

Step-by-step explanation:

necesitas sumar 4 veces 640 o multiplicar 4×640

What is the smallest 5 digit even number you can make using 1 2 3 4 5 6 7 8 9 only once

Answers

9514 1404 393

Answer:

  10,000

Step-by-step explanation:

5(9·8·7·4 -2(6 +3 -1)) = 10,000 . . . . a 5-digit even number

Helppp please due tomorrow

Answers

Answer:

9

Step-by-step explanation:

since the side that was originally 2 is now six, it means that it tripled, and 3x3 is 9.

is statistics mathematics or science? defend your answer.

Answers

Answer:

Both

Step-by-step explanation:

Science and Math both are related in many concepts. I will say that Statistics is a mathematical science concept because it deals with the collection, analysis, interpretation or explanation, and presentation of data.

Answer:

Hello There!!

Step-by-step explanation:

The answer is=>Both, it is a mathematical science topic.

hope this helps,have a great day!!

~Pinky~

The longest side of an acute isosceles triangle is 12 centimeters. Rounded to the nearest tenth, what is the smallest possible length of one of the two congruent sides?

6.0 cm
6.1 cm
8.4 cm
8.5 cm

Answers

Answer:

6.1 cm

Step-by-step explanation:

it depends on what your teacher told you and wants to see.

because, theoretically, it would be 6.0 cm. but that would render the whole triangle into a flat line, as the 2 equal sides together (2×6 = 12) would be exactly as long as the baseline (12) of the triangle.

which is again a theoretically possible construct (counting as extreme triangle).

but it is more likely that your teacher wants the definition applied that for each combination of 2 sides this combination has to be larger (and not larger or equal) than the third side.

so, the 2 equal sides have to be larger than 6 cm.

the smallest number in your answer options to fit that criteria is 6.1 cm

just FYI - your teacher was not very precise in the phrasing, because there are many numbers smaller than 6.1 that would still be correct.

like 6.01, or 6.005, ...

Rounded to the nearest tenth, the smallest possible length is 6.1 cm.Thus, the answer is B) 6.1 cm.

In an acute isosceles triangle, the longest side is opposite the largest angle. Since the triangle is isosceles, the two congruent sides are equal in length.

In an acute triangle, the largest angle is less than 90 degrees. In an isosceles triangle, the two base angles are congruent. Therefore, each base angle must be less than 45 degrees.

Now, let's apply the triangle inequality theorem to determine the smallest possible length of one of the congruent sides. According to the theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

In this case, the longest side is 12 centimeters. Let's assume each of the congruent sides has a length of x centimeters.

Based on the triangle inequality theorem, we have the following inequality:

2x > 12

To find the smallest possible length, we divide both sides of the inequality by 2:

x > 6

Therefore, the smallest possible length of one of the two congruent sides is greater than 6 centimeters.

Rounded to the nearest tenth, the smallest possible length is 6.1 cm.

Thus, the answer is B) 6.1 cm.

To know more about  congruent sides , here

https://brainly.com/question/29789999

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5 increased by the product of 2 and t​

Answers

Answer:

Step-by-step explanation:

increased means add.

5 + 2*t

What is compound interest What is the difference between compounded monthly and
continuously

Answers

Answer:

compostion

Step-by-step explanation:

comPOSTION

If AB= x+4, BC=2x-10, and AC=2x+1, then find the value for AB

Answers

Answer:

x+4→AB=7+4=11

Step-by-step explanation:


2. A pipe is leaking at a rate of 8 fluid ounces per minute. Find out how many gallons the pipe is
leaking per hour.
Using dimensional analysis

Answers

Answer:

3.75

Step-by-step explanation:

8 fl x 60 ( minutes )= 48 fl oz

48 fl oz divided by 128= 3.75 gallons.

A restaurant serves soda pop in cylindical pitchers that are 6 inches in diameter and 8 inches tall. if the pitcher has1-inch head of foam, how much soda is lost as a result? ( ROUND YOUR ANSWER TO TWO DECIMAL PLACES.)

Answers

Questions relating Word Problems can sometimes be resolved by taking note of the definition of given clues

The amount of soda lost is approximately 28.27 in.³

The reason the above value is correct is as follows:

The known parameters about the the soda pop served by the restaurant are;

Diameter of the cylindrical pitcher in which the soda pop is sold, D = 6 inches

The height of the cylindrical pitchers, h = 8 inches

Thickness of the head of foam in the pitchers, t = 1 inches

Required:

The amount of soda lost as a result of the head of foam

Method:

Define a pitcher

Calculate the volume occupied by the head of foam

Solution:

A pitcher holds drink and usually has a lip and handle, therefore, the drink is filled level with the pitcher

The volume occupied by the head of foam = The amount of soda lost

The volume occupied by the head of foam, [tex]\mathbf{V_{(head \ of \ foam)}}[/tex] = The volume of 1 inch height of the foam in the cylindrical pitcher

Volume in a cylinder = Base area × Height

[tex]\mathbf{Base \ area\ in \ a \ cylinder} =\dfrac{\pi \cdot D^2}{4}[/tex]

The height of the foam = The thickness of the foam = t

∴ [tex]V_{(head \ of \ foam)} =\mathbf{\dfrac{\pi \cdot D^2}{4} \times t}[/tex] =

Plugging in the values of D, and t, gives;

[tex]\mathbf{V_{(head \ of \ foam)}} =\dfrac{\pi \times (6 \ in.)^2}{4} \times 1 \ in. = \pi \mathbf{\times 9 \, in.^3}[/tex]

The volume of the head of foam, given to two decimal places is presented as follows;

[tex]V_{(head \ of \ foam)}[/tex] = π × 9 in.³ ≈ 28.27 in.³

The volume of the head of foam = The amount of soda lost ≈ 28.27 in.³

Learn more about calculating volumes in a cylinder here:

https://brainly.com/question/12368492

https://brainly.com/question/12550991

A share of stock is now worth 20% of its value from a year ago. If it is now worth $44,250, what was it worth a year ago?

Answers

Answer:

$8850

Step-by-step explanation:

44250 divided by 0.2 (output value converted from percentage to decimal)

Similarly, if you want to add percentage, multiply instead of divide!

Which of the equations is shown by the shaded area of the model? A. 0 . 29 + 0 . 37 = 0 . 63 B. 0 . 34 + 0 . 23 = 0 . 57 C. 0 . 36 + 0 . 27 = 0 . 63 D. 0 . 24 + 0 . 33 = 0 . 57

Answers

Answer:

is there anyway you could show the Shaded area of the model because I can't answer it without is that part of the picture showing. Thank you

Is [tex]2 \frac{2}{3} [/tex]
a rational number​

Answers

Yes it’s a rational number.

19. Subtract: 5 - 3 1/3

A. 3 1/3
B. 2 1/3
C. 1 2/3
D. 2 2/3

Answers

Answer:

C. 1 2/3

Step-by-step explanation:

5 - 3 1/3

We can also convert 5 into a fraction with the same denominator like this:

Since we’re trying to make 5 a fraction with a denominator of 3, leave 4 as the whole number and 3/3 as the fraction

4 3/3

4 3/3 = 5 because 3/3 = 1 and 4 + 1 = 5

Now we can subtract!

4 3/3 - 3 1/3 = 1 2/3

Step 1. Subtract the whole numbers

Step 2. Subtract the numerator

Step 3. Leave the answer with the same denominator

1 year is what fraction of a decade?

Answers

Answer:

It is 1/10

Step-by-step explanation:

One decade has 10 years

[tex]{ \sf{1 \: decade = 10 \: years}} \\ { \sf{ \frac{1}{10} \: decade = 1 \: year}}[/tex]

Answer:

10% , 1/10, or 10/100

Step-by-step explanation:

There are 10 years in a decade

1/10 represents the 1 year out of the 10!

Simplify (3 + 6i) − (8 − 5i). (6 points)

−5+ i
6
16
−5 + 11i

Answers

the answer would be d !

−5 + 11i

Answer:d

Step-by-step explanation:

the answer would be d !

−5 + 11i


Kendra has already prepared 15 kilograms of dough and will continue preparing 1 kilogram
of dough every hour. How many hours did Kendra work if she prepared 23 kilograms of
dough?

Answers

answer : 8 hours

hour 0 she has 15
hour 1 she has 16
hour 2 she has 17
hour 3 she has 18
hour 4 she has 19
hour 5 she has 20
hour 6 she has 21
hour 7 she has 22
hour 8 she has 23

A multiple choice test contains 25 questions with 5 answer choices. What is the probability of correctly answering 8 questions if you guess randomly on each question?

Answers

Answer: 0.0623

Step-by-step explanation:

The probability of correctly answering 8 questions if you guess randomly on each question is 0.062348.

It is given that multiple choice test contains 25 questions with 5 answer choices.

To find probability of correctly answering.

What is probability?

The extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible.

Given that:

The probability of each correct answer is  [tex]p_{s}[/tex][tex]=\frac{1}{5}[/tex]

The probability of 8 successful answers in 25 independent trials for a binomial probability distribution is:

p(k|n)=[tex]\frac{n!}{(n-k)!*n!}[/tex][tex]p_{s}^{k} (1-p_{s})^{n-k} \\[/tex]

p(8|25)=[tex]\frac{25!}{(25-8)!*8!}[/tex][tex]{\frac{1}{5} }^{k} (1-1/5)^{25-8} \\[/tex]

p(8|25)=0.062348

So, the probability of correctly answering 8 questions if you guess randomly on each question is 0.062348.

Learn more about probability here:

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verizon's plan costs $75 per month and gives you unlimited talk, and 500 messages per month, and no dataplan. If you send more 500 text messages, on top of the $75 it will cost $.10 per text overage. Write the piecewise function for the following situation. If you send 800 text messages, then how much will your bill be?

Answers

800-500=300
$.10x 300=$30
$75+$30= $105

evaluate the expression for the given values of the variable.

Answers

Answer:

10

Step-by-step explanation:

we know that y=sqrt(7), so just plug it into the expression y^2 +3. now we have (sqrt(7))^2 +3, (sqrt(x))^2=x, so (sqrt(7))^2 +3= 7+3=10

what is the common factor [tex]4x^{2} -18x[/tex]

Answers

Answer:

2x(2x-9)

Step-by-step explanation:

2x is the factor.

Find the length indicated

Answers

To find the length:

BD=16

largest 3 digit odd number​

Answers

Answer:

999

Step-by-step explanation:

Jane bought 23 pounds of flour for $11 how many pounds of flour did she get pre dollar

Answers

Answer:

2.090 pounds

Step-by-step explanation:

11 dollars

23 pounds

dollars ÷ pounds = pounds per dollar

23 ÷ 11 = 2.090 pounds8

Answer:

Step-by-step explanation:

23 lbs / $11  = 2.09 lb/$

for a graph of a quadratic i have x intercepts that are x=12 and x =35 do i have enough information to find the y-coordinate of the vertext and why

Answers

Answer:

No... provided no other information or no graph is provided.

Step-by-step explanation:

You can find the x-coordinate of the vertex which can be calculated using the two given x-intercepts. Using the symmetry of the parabola, it would just mean the vertex should lay midway between the x's. So the x-coordinate of the vertex is (12+35)/2=47/2.

However, we do not have enough information about the relationship between x and y to find the y-coordinate of the vertex.

All we are given is y=a(x-12)(x-35) (where a is real number) since we know the relationship is quadratic, and the zeros are 12 & 35.

So we could have many possible y-coordinates for our vertex since we don't know the value of a in our equation and we can plug in our x-coordinate for our vertex to find them all.

y=a(47/2-12)(47/2-35)

I'm just going to put everything to right of a in calculator:

y=-529/4 ×a

So that's all the possible y-coordinates for the vertex.

About: Classifying Rational Numbers

Question: Write each rational number in the form a-t (fraction) where a and b are integers.

Offering 30 points for a answer!
0.7 -29 and 8|1-3 (fraction)

Answers

Answer:

i dont know how to use sign

Suppose that angle P = 3x + 14 and angle Q = 3x - 27. If these angles are supplementary, angle Q would need to be ___ degrees.

Answers

Answer:

Q = 69.5 degrees

Step-by-step explanation:

3x + 14 + 3x - 27 = 180

6x - 13 = 180

6x = 193

x = 32.1667

Q = 3(32.1667) - 27

Q = 69.5

a cake is sliced into 12 equal pieces 1/2 of the cake is: slices​

Answers

Answer:

6

Step-by-step explanation:

1/2 of 12

1/2×12

6

i hope this will help

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