Devoir maison n°8: Thalès Chservations
1 Aux sports d'hiver
Un skieur dévale, tout schuss, une piste
rectiligne représentée ci-dessous par
le segment [BC] de longueur 1 200 m.
À son point de départ C, le dénivelé
par rapport au bas de la piste, donné
par la longueur AC, est de 200 m.
Après une chute, il est arrêté au point D sur
la piste.
Le dénivelé, donné par la longueur DH, est
alors de 150 m.
1200 m
La figure n'est pas
à l'échelle.
D
2oom
masr
A
H
B
Calcule la longueur DB qu'il lui reste à
parcourir.​

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Which of the following is true for the relation f(x)=2x^2+1

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96