Answer:
x+y=5a
5a is added to b which is the sum of x and y multiplied by 3. That is, b=x+y×3=5a×3=15a
Since, 5a is added to b= 5a+15a=20a,
Answer:Point and line
Step-by-step explanation:
Each of these questions is substantially the same as the others. The answer is, "it depends" on what you want a random sample of. If you want random people in the country, you will not get that from these protocols.
If you want random people that meet certain criteria (have phones, shop in eyeglasses stores, use specific venues), then these protocols will deliver.
Answer:
set 1 is 23.5
and set 2 is 54
Step-by-step explanation:
Answer:
7x+7<u> </u><u>></u><u> </u>23-x
group like terms
7x+ x <u>></u><u> </u><u>2</u><u>3</u><u>-</u><u>7</u>
8x<u> </u><u>></u><u> </u>16
we divide both side by
<u>8</u><u>x</u><u> </u> <u>></u><u> </u> <u>1</u><u>6</u>
8 8
so 8 cancelled out 8 living
x <u>></u><u> </u> <u>1</u><u>6</u>
<u> </u> 8
x <u>></u><u> </u>2
8
we
