The Tigers, a football team, must gain 10 yards in the next four plays to keep possession of the ball . The Tigers lose 12 yards
1 answer:
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Answer:
Kevin needs 96 points on his last test to raise his mean test score to 90 points.
Step-by-step explanation:
we know that
The mean score is the total of all scores divided by the total number of tests.
Let
x_1 ----> the score in the first math test
x_2 ----> the score in the second math test
x_3 ----> the score in the third math test
x_4 ----> the score in the fourth math test
we have
After taking the first 3 tests, his mean test score is 88 points
so
----> equation A
How many points does he need on his last test to raise his mean test score to 90 points?
so
----> equation B
substitute equation A in equation B
solve for x_4
Therefore
Kevin needs 96 points on his last test to raise his mean test score to 90 points.
Answer:
3 + is irrational, as
is an irrational number in itself, not being able to change into a fraction as it is a non-terminated number.
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Answer:
Volume of a cone=
=×
×144×8
=×144×8
=1206.86
Step-by-step explanation: