Answer: 12/4 or 3 miles
Step-by-step explanation:
You check both of them:
1. 3*3-(-8)/4=9-(-2)=9+2=11 it's true
2. 3*4-4/4=12-1=11 true
so both of them are solutions
Answer:
no solution
Step-by-step explanation:
1) i just took the unit test( correct on ed 2020)
2) both lines are dotted
3) the lines do not overlap
Answer:
La suma de los primeros n términos de una suma aritmética es:
S(n) = n*(a₁ + aₙ)/2
donde el término enesimo de una progresion aritmética es:
aₙ = a₁ + n*d
Donde d es la diferencia entre dos términos consecutivos.
Para este caso sabemos que:
a₁ = 4
S(42) = -2415
Entonces podemos resolver la ecuación:
S(42) = 42*( a₁ + a₄₂)/2
= 42*(4 + 4 + 42*d)/2
= 42*(8 + 42*d)/2 = -2415
Ahora podemos resolver esta ecuación para encontrar el valor de d.
(8 + 42*d) = (2/42)*-2415 = -115
42*d = -115 - 8 = -123
d = -123/42 ≈ -2.929
Y el término 59 va a ser:
a₅₉ = 4 + 59*d
= 4 + 59*( -123/42) = -168.79
Answer:
(-2/3,4/3)
Step-by-step explanation:
set the equation equal to y and then solve (make sure you solve for both 2+ AND 2-