Answer:
31.4
Step-by-step explanation:
2x3.14x5=31.4
(2x3.14xRadius)
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<em><u>The required average on next two tests are:</u></em>
<em><u>Solution:</u></em>
An A grade will be given to students having at least 450 total test points
Let p represent her present test point total, and t represent the necessary average on the next two tests
There are two more tests to take before the semester is over
Therefore,
A grade is given to students having at least 450 total test points
"at least" means greater than or equal to
So we have used greater than or equal to symbol
Solve the inequality for "t"
Thus the required average on next two tests are:
Answer:
x=28
Step-by-step explanation:
x+9−9=37−9
x=28
Answer:
55%
Step-by-step explanation:
all you have to do is divide 114.4 by 208 to get 0.55, then turn that into a percentage by moving the decimal 2 times to the right.
Answer:
C
Step-by-step explanation:
Since we are given three sides and we want to find an angle, we can use the law of cosines.
The law of cosines is given by:
In this case, a = 3, b = 5, and c = 7. Therefore:
Evaluate:
Therefore:
Dividing both sides:
And by taking the inverse cosine of both sides:
Our answer is C.