Answer:

Step-by-step explanation:
It's an arithmetic sequence.

The difference is constant.
The explicit formula of an arithmetic sequence:

Substitute:

<em>use distributive property</em>

To find the diameter, you use the formula: 2x. we use 2x because the radius is 2 times the diameter.
so, if the radius is 3,980, then we substitute that into the formula.
2(3,980)
this will give us 7960. the diameter is 7960 miles.
Answer:
x=-5
Step-by-step explanation:
add 7 to 53 then divide -12 to itself and 60.
Answer:
0.52
Step-by-step explanation:
The computation of the percentage of the group in which none of the three sports watched is shown below:
= gymnastic percentage + baseball percentage + soccer percentage - gymnastic & baseball percentage - baseball & soccer percentage - gymnastic & soccer percentage + three sports percentage
= 0.28 + 0.29 + 0.19 - 0.14 - 0.12 - 0.18 + 0.08
= 0.48
Now the percentage is
= 1 - 0.48
= 0.52
Answer:
-c-4≥8
Step-by-step explanation:
Just ask!
Hope this helps. :)