Answer: 25%
20 divided by 80= .25x 100= 25%
We know that y=7x, so we just need tu put it into the 1st equation
So we found x. Now we can find y
Answer:
x=1, y=7; or (1;7)
A.
Mice are small and kilograms are for much larger objects. The other two measurements are for liquids.
The answer is <span> B- y=4-1.5x
</span><span>David is rowing a boat upstream, so the river is slowing him down. Thus, the net speed is 6 mph - 2 mph = 4 mph.
Since David's speed </span><span>decreases at a rate of 1.5 miles per hour, after x hours his speed y will be:
y = 4 - 1.5 x</span>
,
,
,
,
;; to find the answer, set the expressions equal to each other, since the sum of the numbers should be the same.
Use
and solve for
, which would result in
.
You can also use
to find
– or
.
Plug in the values for
and
, and find
using
or
and results in
.
After plugging in the
value, you can easily find
and
.
– since 66 is the sum of a full row, and the sums of the numbers in each row, column, and diagonal are the same, so therefore,
should also equal 66. This results in
, and, using the same value for the sum of
, or
, we find that
.
The final answer is
,
,
,
,
.
Sorry it took so long;; I hope this helps :)
