Which of the following is a counterexample to the following conjecture? If x2 = 4, then
X = 2

Answers

Answer 1

Answer: X=-2

Step-by-step explanation:


Related Questions

Explain why two perpendicular lines will remain perpendicular if they are both dilated by the same factor
and using the same center

Answers

Answer:

because they are congruent to the original angle

Step-by-step explanation:

they are congruent to the original triangle. nothing will change.

The two perpendicular lines will remain perpendicular because it should be congruent to the original angle.

What is congruent?

The Two geometric figures should treated be congruent in the case when it should have coincided. Since the both perpendicular lines are dilated by the same factor also the same center should be used due to this, the two perpendicular lines should remain perpendicular.

Therefore, The two perpendicular lines will remain perpendicular because it should be congruent to the original angle.

Learn more about  lines here: https://brainly.com/question/24271130

HELP ASAP! GIVING BRAINLY

use the slope formula to find the slope between (-5,2) and (0,4)

Answers

Answer:

2/5

Step-by-step explanation:

Slope

[tex] = \frac{4 - 2}{0 - ( - 5)} = \frac{2}{0 + 5} = \frac{2}{5} \\ [/tex]

The slope is 2/5 iusisksks

3(10m - 2)+(3+6m-3) ​

Answers

Answer:

3(10m - 2)+(3+6m-3)

30m-6+3+6m-3

30n+6m-6+3-3

36m-6

6(6m-1)

Answer:

36m - 6

Step-by-step explanation:

3 ( 10m - 2 ) + ( 3 + 6m - 3 )

→ Expand the brackets

30m - 6 + 3 + 6m - 3

→ Simplify

36m - 6

Which expression is equivalent to 1/3 divided by 1/6

Answers

Answer:

The answer is A

Step-by-step explanation:

cross mutliply

1×6=6

1×3=3

divide the answers

result: 2

I hope this helps

Calculate the size of angle x.
Give your answer to 1 decimal place.
8 cm
11 cm
15 cm

Answers

Answer:

45.6° (1 d.p)

Step-by-step explanation:

Using the cosine rule;

c = √( a² + b² - 2ab Cosx)

11 =√(8² + 15² - 2 (8) (15) Cosx)

11² = 8² + 15² - 240 Cosx

11² - 8² - 15² = - 240 Cosx

-168 = -240 cosx

cosx = 0.7

x = cos⁻¹ (0.7) = 45.57 ≈ 45.6°

Answer:

45.6

Step-by-step explanation:

A circular dining room table has a radius of 3 feet of each person sitting at the table needs about 2 feet of space, how many people will fit at the table

Answers

Answer:

need to find the area of the circular dining room table which has a radius of 3 feet of each person sitting at the table needs about 2 feet of space how many people will fit at the table 3 feet of each person sitting at table needs about two feet of space than about five people will fit at the table

Is 40/8 an integer or no

Answers

Answer:

yes it is

Step-by-step explanation:

Answer:

It is, because it is equal to 5.

There are 2 gallons for every 8 quarts. If there are 12 quarts, how many gallons are there?

Answers

Step-by-step explanation:

To convert from gallons to quarts, multiply the gallon value by the conversion factor. For example, if converting from US fluid gallon to US fluid quart, then multiply the gallon value by 4. For example, to find out how many quarts in a half gallon of water, multiply 4 by 0.5, that makes 2 quarts in a half gallon.

Eli started saving money in his empty piggy bank. He inserted $1 on every Monday, $2 on every Tuesday, $3 on every Wednesday, $4 on every Thursday, $5 on every Friday, $6 on every Saturday, and $7 on every Sunday. At the end of 24 days, he opened his bank and found he had $93. On which day of the week did he start inserting money into his piggy bank?

Answers

Answer:

Tuesday

Step-by-step explanation:

Given:

Monday: $1

Tuesday: $2

Wednesday: $3

Thursday: $4

Friday: $5

Saturday: $6

Sunday: $7

And after 24 days he had $93

____

So lets convert 24 days into weeks. A week has 7 days we divide 24/7 and get 3.42857 weeks or just have it as 3 weeks and 3 days.

24 days = 3 weeks and 3 days

Now we want to know how much does Eli make in 1 week, we add all the numbers 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28

Eli makes $28 in one week. And (28x3) in three weeks which is $84.

Now that we know that Eli made $84 in three weeks, we have three days left - now we calculate the difference.

93 - 84 = 9

Now these 9 dollars are split into three days. This means he started on Tuesday since Saturday is $7 and Monday is $1 and that sums it up to $8 and the first dollar was placed in his piggy bank on a Tuesday.

(2x-14) = (3x-6) how do I solve this

Answers

Step-by-step explanation:

there you go that is how you solve

Answer:

x=-8

Step-by-step explanation:

    Given: 2x-14=3x-6

                    +14   +14

                     -----------

                   2x=3x+8

                   -3x -3x

                  --------------

                   -1x=8

                   ---  ---

                   -1   -1

                 -------------

                  x= -8

Hope this makes sense

Sarah had $195. She used $164 to pay for clothes and spent the rest at a restaurant.
Part A
Enter an equation that can be used to represent the amount, r, Sarah spent at the restaurant.

Answers

Answer:

195 - 164 = r

Step-by-step explanation:

This is how I would solve for the amount that Sarah spent at the restaurant. She had 195 total, subtract by 164 because we know she spent that, and whatever is left she spent at the restaurant.

Hope it helps!

Please help!!!!!!!!!! I need this answer ASAP

Answer choices:
-1
0
1
2
3

Answers

Answer:

0, 1

Step-by-step explanation:

You can see in the table that where f(x)=g(x) the number in both cells corresponding to one x is the same. So 0 and 1

Answer:

0 and 1

Step-by-step explanation:

Graph these 2 functions on a graphing calc and you'll see that there are 2 points of intersection, 0 and 1. You can check it by plugging it into the function and seeing if they both match up.

whoever guesses my birth month first gets the brainliest​

Answers

i’m guessing january

Angela is repainting her kitchen. she estimates that she paints 35 feet every 1/3 hour. how many feet does she paint in 1 hour?​

Answers

Answer: 105 feet(make sure to put feet)

Step-by-step explanation:if it only took her 1/3 of an hour to get 35 feet done so 35 x 3=105

Write each number in two equivalent forms as fraction, decimal, or percent.
0.29 35% 2/5
show work :D

Answers

Answer:

0.29 = 29% = [tex]\frac{29}{100}[/tex]

35% = 0.35 = [tex]\frac{7}{20}[/tex]

[tex]\frac{2}{5}[/tex]= 0.40 = 40%

Step-by-step explanation:

A county in the shape of a rectangle has a length of 120 miles and a width of 80 miles. The population of the county is about 300,000 people. Find the population density in people per square mile. Round your answer to the nearest whole number. ---will give brainliest hurrryyy

Answers

Answer: 31 people per square mile


Explanation: First we need to find the area of the rectangle (A=lw), which is 120*80 or 9600 square miles.

To find population density, we take the number of people and divided by square miles in this case (300,000/9600).

We then get 125/4 or 31.25.

Rounding to the nearest whole number gives us a population density 31 people per square mile

please help please help

Answers

Answer:

i think it is the last one

Step-by-step explanation:

I believe the answer is D, it would make the most sense because that one has the most unique property's that would apply to a unique quadrilateral

GUYS AM I CORRECT?? I WILL MARK U BRAINLEST IF I GET IT RIGHT

Answers

Answer:

Yes you are correct.

Answer:

None of the above

Step-by-step explanation:

Your answer is correct. :)

the inequality p=4 describes the number of pounds of apples, p, Bill needs when he is making apple strudel? Explain

Answers

Answer:

No, Bill needs more than 4 pounds of apples to make apple strudel.

Step-by-step explanation:

If 4 pounds isn't enough then neither would 3.5. So he need more pounds to make the strudel.

Please help,
7p + 2 = 5(p-4)

Answers

Answer:

-11

Step-by-step explanation:

7p +2=5p-20

7p-5p= -2-20

2p= -22

p=-11

The answer is p=-11

The steps are in the attached photo

Safie can write a minimum of five questions per hour and a maximum of eleven questions per hour. What is the difference betwwen the last possible amount of hours and the greatest possible amount of hours Safie will need to write 275 questions?

A. 6
B. 16
C. 30
D. 800

Answers

Answer:

The difference is 30 hours

Step-by-step explanation:

Proportions

Safie can write a minimum of 5 questions per hour and a maximum of 11 questions per hour.

To write 275 she takes a maximum of 275/5=55 hours and a minimum of 275/11=25 hours.

The difference is 55 hours - 25 hours = 30 hours

i make games check me out
https://www.freeriderhd.com/u/thecoykid
click on created tracks and then click on a game to play
who ever tells me how they are AND plays them gets brainliest

Answers

i did it and i’m good today!

Answer:

lolll i love those games rn im playing one abt a lil guy on a bike

Help me out please, I really need an explenation... I don’t get it...

Answers

Just as a plane figure can have mirror lines of symmetry, so can a solid have mirror planes of symmetry dividing it into mirror-image halves. Thus, a cuboid has three planes of symmetry dividing it into two halves.

D. 3

what is the slope of (4,-6) and (4,4)​

Answers

Answer:

Undefined

Step-by-step explanation:

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

m=(4-(-6))/(4-4)

m=(4+6)/0

m=10/0

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Greg rented a truck for one day. There was a base fee of $20.99, and there was an additional charge of 71 cents for each mile driven. Greg had to pay $144.53
when he returned the truck. For how many miles did he drive the truck?

Answers

He drove 87.71 miles

The sum of 3 consecutive integers is 78. What is the integer closest to zero?

Answers

Answer:

25

Step-by-step explanation:

Let n be the first integer.

Then the second integer will be (n + 1).

And the third will be (n + 2).

The sum is 78. Therefore:

[tex]n+(n+1)+(n+2)+78[/tex]

Solve for n. Combine like terms:

[tex]3n+3=78[/tex]

So:

[tex]3n=75[/tex]

Therefore:

[tex]n=25[/tex]

Therefore, the first integer is 25.

So our sequene is 25, 26, and 27.

The integer closest to zero will thus be 25.

Therefore the first integer is 25
So our sequence is 25, 26 and 27 respectively
The integer closest to zero will thus be 25.

URGENT!!!!
Which of the following equations would not contain the point (4,12) y=3/4x+9 y=-1/2x+14 y=1/2x+8 y=-2x+20

Answers

Answer: y = 1/2x + 8

Step-by-step explanation:

If the total labor cost is $865,000 and $78,000 is for parking attendants, what percentage of the yearly labor cost is for the parking staff?( round to the nearest percent.)

Answers

Answer:

9%

Step-by-step explanation:

The percentage of the yearly labour cost for the parking staff is 9%.

What is the percentage?

The percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.

Given that if the total labour cost is $865,000 and $78,000 is for parking attendants.

The percentage of the yearly labour cost for the parking staff is calculated below:-

Percentage = 78000 / 865000

Percentage = 0.09 x 100

Percentage = 9%

Therefore, the percentage of the yearly labour cost for the parking staff is 9%.

To know more about percentages follow

https://brainly.com/question/24304697

#SPJ6

Plz help offering 100 and will give branliest to teh first who answers! what is
2+2?????????

Answers

Answer:

4

Step-by-step explanation:

Answer:

its 4 u should know this LOLLLL

Step-by-step explanation:

if the measure of two angles of a triangle are 62 and 93 than the measure of the third angle is 35. true or false if false why​

Answers

Answer:

False

Step-by-step explanation:

All measures of triangle add up to 180°

[tex]A + B + C = 180[/tex]

[tex]62 + 93 + 35 = 190[/tex]

[tex]190 \neq 180[/tex]

[tex]62 + 93 + 25 = 180[/tex]

the third measure is [tex]25[/tex] not [tex]35[/tex].

plz mark me brainliest ;)

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