subject
Mathematics, 04.12.2021 01:10 alove1777

Je m'entraîne 41
x désigne un nombre positif.
On note A la fonction qui, à
une longueur x en cm, associe x
l'aire, en cm?, du triangle
rectangle représenté ci-contre.
a. Calculer A(3).
b. Donner l'expression de A(x).
C. Est-il vrai que 5 est un antécédent de 17,5 par la
fonction A?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
question
Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
Answers: 1
question
Mathematics, 21.06.2019 21:30
Find the missing dimension! need asap! tiny square is a =3025 in ²
Answers: 1
question
Mathematics, 21.06.2019 22:00
Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).
Answers: 1
You know the right answer?
Je m'entraîne 41
x désigne un nombre positif.
On note A la fonction qui, à
une l...
Questions
question
Computers and Technology, 25.06.2019 16:30
question
Mathematics, 25.06.2019 16:30
Questions on the website: 13722367