SI l'aire d'un carré ABCD est 49 dm au carré quelle est la mesure de son côté AB justifier

Answers

Answer 1

Answer:

7 dm

Step-by-step explanation:

Pour un carré,

aire = (côté)²

(côté)² = 49 dm²

√[(côté)²] = √(49 dm²)

côté = √(49 dm²)

côté = 7 dm


Related Questions

Ok i actually need help on this one

Answers

Answer:

y+4 = -1/2( x+3)

=> 4y + 8 = -x -3

=> x+ 4y + 11 = 0

This is the equation of required line ;)

Answer:

Step-by-step explanation:

C.Explain in words what did you find to find the cost per class in part B

Answers

Answer:

What was part B?

Step-by-step explanation:

There is no picture.

1.Which expression is equivalent to 4 – (- 7)?
Responses

A. -7 - 4

B. 7 + 4

C. 4 - 7

D. - 4 + 7

Answers

B because 4-(-7) equals 11 and 7+4 equals 11 as well

what's 3n+1? my teacher asked everyone in his class (including me) and he said it's almost impossible (then he started laughing when we came up with an answer)
why is this?

Answers

Answer:

It is a Collatz Conjecture Problem

Step-by-step explanation:

By definition The Collatz conjecture is a conjecture in mathematics that concerns sequences defined as follows: start with any positive integer n.

It really just requires evenness within the problem.

n (in many cases) is considered infinite

An item is priced at $13.35. If the sales tax is 8%, what does the item cost including sales tax? You may need to round your answer to the nearest cent.


*First one to answer correctly get brainliest

Answers

$14.42. I think that is the answer cause the sale tax is $1.07
14.58 rounded, multiply price by .08, then add price, pretty simple math

Please Help! Show your work

At the school store, you buy 4 pencils and an eraser. The cost of the eraser is $0.85. Your total cost is $1.45. Write an EQUATION to find the cost of one pencil.

Answers

Answer:

cost of one pencile is 0.15

Step-by-step explanation:

HELPS PLZ

guys i dont even know if this is supposed to be here but anyways i have a test tmr and I'm hella nervous right now can anyone help plz thx

Answers

Answer:

how can I help you?and what is the question?

Answer:

just stay calm and relax...being relaxed is very important for performing good in you exam. And also a good sleep is also must for your concentration on the day..

Step-by-step explanation:

Solve for x. [PLEASE Read carefully]

23(−3.1−x)=5

Enter your answer as a mixed number in simplest form in the box.

Answers

Answer:

-10.6 or 53/5

Step-by-step explanation:

go ogle math

Answer: (3) 73/230

Step-by-step explanation:

You times whats in the brackets with 23 then remove the brackets which makes it = -71.3 - 23x = 5

Then i would swap the 23x and 5 around which makes it = 71.3 - 5 = 23x

subtract 71.3 - 5

-76.3 = 23x

Divide -76.3 by 23 (Use a calculator) =

(3) 73/230

Thats how simplified it can go. (fraction cant be simplified more)

(3) is the leftover whole number that is next to the mixed number

I will give brainiest for the first one to answer!
It's Called Bonuses!

Sasha can run at an average speed 9 [tex]\frac{3}{4}[/tex] minutes per mile. She runs at this speed for 68 [tex]\frac{1}{4}[/tex] minutes.


How many miles does Sasha run?

Answers

Answer:

Sasha ran 7 Miles.

Step-by-step explanation:

Adding up the fractioned time until you reach 68 1/4 minutes

I doubt they would make you round up the miles , so it would be 7

I’m gonna gonna write this so you can give the person above me brainliest cause you can only give brainliest to people if there are 2 or more comments.☺️

Giving brainliest to the correct answer please hel

Answers

Answer:

3.805 x 10^7.

( D.)

Step-by-step explanation:

the answer is d
= 3.805 x 10^7

PLS HELP
I Need this done now!

Answers

Answer:

3

Step-by-step explanation:

last year, there were m pies baked for the bake sale. This year, there were 124 pies baked. Using m , write an expression for the total number of pies baked in the two years.

Answers

Answer:

→ Last year, there were m pies baked for the bake sale. This year, there were 215 pies baked. Using m , write an expression for the total number of pies baked in the two years.

Step-by-step explanation:  

▶ Given :-

→ Last year, number of pies baked for bake sale = m.

→ This year, number of pies baked for bake sale = 215 .

▶ To find :-

→ The equation that represents the total number of pies baked for bake sale .

▶ Solution :-

→ Let the total number of pies baked for bake sale in two years be ‘x’ .

And, last year no. of pies baked = m [ given ] .

Therefore, the equation that represents the total number of pies baked for bake sale :-

→ x = m + 215 .

✔✔ Hence, it is solved ✅✅.

All you need to do is 124 divided by 2 and your answer is /equal to (m)

Please help me solve this: y=8x 4x+y=48

Answers

Answer: x=4, y=32

Step-by-step explanation:

y=8x

4x+y=48

Plug in 8x for y in the equation

4x+8x = 48

Add like terms

12x= 48

Divide both side by 12

12x/12=48/12

x= 4

Then plug 4 back into the original equation in place of x

4(4)+y=48

16+y=48

Minus 16 from both sides

y= 48-16

y= 32

Answer: (4,32)

Answer: x = 4

Step-by-step explanation: 48 divided by 12 = 4

4 x 4 = 16

Y = 8x

8 x 4 = 32

32 + 16 = 48

Question 11 (True/False Worth 1 points)

(04.02 MC)

The table below shows the number of wafers in different numbers of packs:


Number of Packs Number of Wafers
2 16
3 24
4 32
5 40


Is this true or false? The numbers in the table represent a proportional relationship.
True
False

Answers

True. These answers show a relationship because you add eight every time the pack goes higher.

Answer:

True. hop it helps you out :)

Step-by-step explanation:

ILL GIVE BRAINEIST TO WHOEVER ANSWERS

Answers

Answer:

Im not sure but i would go with my guts if i were you:)

Step-by-step explanation:

Answer: The answer is A) (0, 3.5). I hope my answer is very helpful to your own question about the graph of the linear equation that passes through the given point, please mark me as brainliest, and have a great rest of the day! :D

Sincerely,

Jason Ta,

The Ambitious of The Brainly And The Role of The TDSB And WHCI Student of The High School.

Step-by-step explanation:

the product of a number and three increased by four is the same as fourteen less than the product of twelve and a number

50 points, PLS ANSWER ASAP

Answers

Answer:

Let the number be x.

[tex]3*x+4=12*x-14[/tex]

[tex]3x+4=12x-14[/tex]

Subtract 4 from both sides:

[tex]3x+4-4=12x-14-4[/tex]

[tex]3x=12x-18[/tex]

Subtract 12x from both sides:

[tex]3x-12x=12x-18-12x[/tex]

[tex]-9x=-18[/tex]

Divide both sides by -9:

[tex]\frac{-9x}{-9} =\frac{-18}{-9}[/tex]

[tex]x=2[/tex]

The number is 2.

The Number is 2

What is Number?

A Number is an arithmetic value used for representing the quantity and used in making calculations.

Given that the product of a number and 3 is equal to the 14 less than product of twelve and that number.

Let the number be x

3x + 4 = 12x - 14

12x - 3x = 14 + 4

9x = 18

x = 2

Hence, the required number is 2.

For references on numbers, click;

https://brainly.com/question/17429689

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HELP HELP

Madie drove 200 miles at a speed of 50 miles per hour. Which equation will help you find the number of hours she was driving?

Answers

Answer:

h = 200/5

Step-by-step explanation:

200/50=h

h=number of hours

Someone help, please. Thank you
Also, enter your answer in scientific notation

Answers

Answer:

2450

Step-by-step explanation:

this is the correct answer

Answer:

The answer in scientific notation is [tex]2.45 * 10^3[/tex]

Step-by-step explanation:

Hope this helps.

(8-(2-2))∙9

9

34

72

118

Answers

Answer: 72

Step-by-step explanation:

(8-(2-2))×9

First do (2-2=0)

(8-0=8)

8×9=72

Hope this helps

Answer:

Given;

{8-(2-2)}∙9

⇛{8-(0)}-9

⇛{8-0}.9

⇛8×9

⇛72

Option (c) 72 is your correct answer.

Hope this helps!!

Which rate is not equivalent to 180 feet per 8 seconds?

Answers

Answer:

Answer is D

Step-by-step explanation:

180/8 = 22.5

All the answers equal 22.5 except for 180/1

180/8 also cannot be equal to 180/1

Answer:

D. 180ft/1 sec

Step-by-step explanation:

Hope this helps!

Craig went bowling with $25 to spend. He rented shoes for $5.25 and paid $4.00 for each game. What was the greatest number of games Craig could have played?
write an inequality for this problem. then use ur inequality and solve algebraically and explain ur solution

Answers

Answer:

Craig has

$25−$5.25 for shoes. In other words, he has $19.75 Now when you divide this amount by $4.00, you will get numbers of games he played.

$19.75

$4

=4.9375

or only 4 games.

Step-by-step explanation:

Answer: 4 games

Step-by-step explanation: 25-5.25=19.75

19.75 divided by 4 = 4.9375 (but let's say its 4)

Or you could use the subtraction way 19.75 - 4 and continue until you cant subtract it by 4 anymore

The changes he be left with us $3.75

**I NEED THIS ASAP THE FIRST PERSON WHO ANSWERS THIS CORRECTLY WILL BE MARKED BRAINLIEST**!!

The equation for this line is y = x + . If she continues the line, she would see that it would take 10 weeks for her cat to lose 5 pounds.

Answers

Answer:

y=1/2x+5

Step-by-step explanation:

find slope

1/2 = 1/2

find y intercept

(0, 5)

insert into equation

y=1/2x+5

Answer: y=1/2x+5

Step-by-step explanation:

Hope it helps

Also please mark Brainliest

What's 1 + 1 = ?

i forgot-

Answers

Answer:

[tex]2[/tex]

Step-by-step explanation:

[tex]1+1=2[/tex]

Answer:

=2

Step-by-step explanation:

1 + 1 = 2

2 + 2 = 4

1 + 3 = 4

2 + 3 = 5

Can someone help me on the last question?

Answers

Answer:

2

Step-by-step explanation:

a meal cost 30$ before tax and tip.
there is 7% sales tax. After tax, a 20% tip is added
what is the total after tax and tip

Answers

Answer:

this depends if the 20% is after tax if it is then the answer is 32.1+6.42

sorrry but since you get the answer you can add the bit you need

Step-by-step explanation:

Answer:

$38.52

Step-by-step explanation:

30 times 1.07 is x (x is now the cost after 7% sales tax)

x (which is 32.1) times 1.20 is y (y is the solution after 20% tip)

which y is equal to 38.52

Hope you understand <333

what is 1/0 (insert troll face here)

Answers

Answer:

It’s undefined lol!

Step-by-step explanation:

Answer:

1/0 = 0

Step-by-step explanation:

The fraction bar means "divided by", which means that the fraction 1/0 is 1 divided by 0. Any fraction in which the denominator is 0, is an improper fraction, meaning the answer is always 0. So, 1/0, or 1 divided by 0 is 0.

I need help on this question

Answers

Answer:

1,660.35

Step-by-step explanation:

First, figure out what 3/5 of her earnings are and substract it from the total earnings. Then, substract it by the amount of the other items.

Answer;
*£1680.34

Explanation;
First you need to find 2/5 of £4283.30 which is £1713.32. This represents or shows how much money she has left after her bills. Now minus £19.99+£12.99 (this shows the money she spent on the two shirts and sunglasses) This leaves Selena with £1680.34

Equation in full;
2/5 / £4283.30 = £1713.32
£1713.32-(£19.99+£12.99)=£1680.34

Hope this helped!! Much love and good luck <33 :)

A sporting goods store is having a clearance sale on many of their items. Complete the table by finding the missing values for the following items.



Item Original Price Discount Sale Price

Soccer Jersey $85.75 20% $68.60

Tennis Racket $94.00 55% ?

Answers

$51.70 55 percent of 94 is 51.7

For which problem situation could the equation 45x + 55x = 350 be used?

A 350 mile telephone cable costs $55 per mile for one section and $45 per mile for a different section. What is the total cost of the cable?

A car, traveling 45 mph, leaves Dallas heading for Odessa 350 miles away. At the same time, a truck leaves Odessa for Dallas traveling 55 mph on the same road. When will the two vehicles meet?

A 350 mile telephone cable is cut so the shorter piece is 45/55 of the whole cable. How long is each piece?

Two vehicles start from the same point traveling in the same direction. One vehicle travels 55 miles per hour (mph) and the other 45 mph. When will the two vehicles be 350 miles apart?

Answers

Answer:

45 x + 55 x = 350

x increases until the total equals 350

45 + 55 = 100 = relative speed of approach

(B) traveling cars meet this equation's specifications (x = 3.5)

The correct statement is option B)

What is the speed of an object?

Speed is the rate at which an object's position changes, measured in meters per second. For example, if an object starts at the origin, and then moves three meters in three seconds, its speed is one meter per second. The equation for speed is simple: distance divided by time

Given here: The equation as 45x+55x=350

A car, traveling 45 mph, leaves Dallas heading for Odessa 350 miles away. At the same time, a truck leaves Odessa for Dallas traveling 55 mph on the same road.

Therefore the relative speed of the two trucks is given by 45+55=100

and let the time taken to meet is x then we can construct an equation as follows x=350/100

or,  45x+55x=350

Hence, The correct statement is option B)

Learn more about speed here:

https://brainly.com/question/28224010

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pls pls i timed pls help help me out

Answers

Answer: the answer is c or 22 79/100

Step-by-step explanation:

Answer:

22 79/100

Step-by-step explanation:

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