On augmente de 20 % la longueur et on
diminue de 20% la largeur d'un rectangle de
dimensions 3...
![subject](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 15:40 drakkeo
On augmente de 20 % la longueur et on
diminue de 20% la largeur d'un rectangle de
dimensions 30 cm sur 20 cm. Quelle est, en
pourcentage, la variation de son aire ?​
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:50
2-3 6. use your equation to find how high tyler will have to climb to scale the peak. (4 points: 2 points for correctly substituting values, 2 points for the correct height)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:40
![question](/tpl/images/cats/biologiya.png)
Biology, 02.05.2021 23:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.05.2021 23:50
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:50
![question](/tpl/images/cats/mat.png)
Mathematics, 02.05.2021 23:50
![question](/tpl/images/cats/istoriya.png)
History, 02.05.2021 23:50