Answer:
29.3
Step-by-step explanation:
to find average you find the sum of all the minutes she practiced and divide it by the total amount of day she practiced.
first we have to find the sum of the minutes she practiced:
20+30+40+38+25+22+39+22+26+31
this equation is equal to 293 minutes she practiced in total. Now we have to divide this by the total amount of days she practiced whice according to the data is 10! So:
293/10 =29.3
Answer:
Sequence A
Step-by-step explanation:
first one if u solve for y is y=4x-8
solve for x is x =y/4+2
second one is if u solve for y is y=2x
if u solve for x is x =y/2
Step-by-step explanation:
hope this help
Supplementary angles sum up to 180 degrees.
2x - 4 + 2x + 4 = 180
4x = 180
x = 45
Therefore,
m<9 = 2(45) - 4 = 90 - 4 = 86 degrees
m<10 = 2x + 4 = 90 + 4 = 94 degrees.