the rate of customers who register for postpaid with packages of VND 100,000/month, VND 150000/month and VND 200000/month of a telecommunications service provider respectively is 0.2 ; 0.5; 0.3.A family has 3 phones using this carrier's postpaid plan. call xy, respectively, is the phone number using the 150000 2000 and 200000₫ packages of this carrier among the 3 phones above a .Find the concurrent probability block function of (X, Y) b . Calculate the probability to total charges This family's registered phone is less than 500,000 VND

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

(-5,-28)

i graphed to on desmos.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.