Answer: The answer is 75 and since you have to round it up to the nearest tenth the answer would be 80.
Step-by-step explanation:
You first have to add all the score numbers: 60, 65, 70, 75, 80, 85, 90
Then, you will get 525
Now, divide that by how many scores there are which is 7 and you get 75
Finally, 75 rounded to the nearest tenth is 80!
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Answer:
c
Step-by-step explanation:
Answer:
x=1 & y=6 or (1,6)
Step-by-step explanation:
3x-x+5=7 Substitute the 2nd equation in for y
2x+5=7 Do 3x-x to get 2x
2x=2 Subtract 5 from both sides
x=1 Divide 2 from both sides
y=1+5 Insert 1 as x
y=6 Add 1+5 to solve for y
Hope this helped!
Answer:
1
Step-by-step explanation:
Cosine is a trigonometric function that is represented by adjacent divided by the hypotenuse. The side adjacent to angle A is AC and the hypotenuse is AB, so we can say cos(A) = . We can do the same for angle B. The side adjacent to it is BC, and the hypotenuse is again AB. So, we can say
cos(B) = . We are solving for , so we can substitute the value of those two and solve:
AC is given to be 3 and BC is also 3, so is which is just 1.
Answer:
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