Answer:
x = 115
Step-by-step explanation:
Your working's actually right haha you just need to further evaluate that. The two angles do add up to 180°.
x + x - 50 = 180
2x - 50 = 180
Now, we can shift the (-50) to the right-hand side of the equation so that we can find out how much 2x is worth. (-50) would turn to +50 when it shifts.
2x = 180 + 50
= 230
We can find x now.
x = 230 ÷ 2
x = 115
Answer:
Step-by-step explanation:
You can obtain the regression equation using minitab software ...
First step:
Choose stat then select regression and regression
Next step:
In Response, enter the column containing the response (Y) variable as Cost.
Next step :
In Predictors, enter the columns containing the predictor (X) variables as Summated Rating.
Final step :Click OK.
Then you get your answer
Answer:
Therefore, the centre of the circle is in <u>( -2, 1 )</u>
and the radius of the circle is 2.
<u>Formu</u><u>la</u><u> used</u><u> </u><u>:</u><u>-</u><u>-</u><u>-</u><u>-</u><u>-</u>
equation of the circle
where r is the radius of the circle.
<h2>(A) 2 is the right answer.</h2>
Angie buys 1 software package and 3 months of game play
Kenny buys 1 software package and 4 months of game play
price of each software package = $20
total cost = $117
cost of one month game play = ?
let y is the cost of one month play
Angie buys 3 months game play and paid $20 = 20 + 3y
Kenny buys 4 months game play and paid $20 = 20 + 4y
total cost of both is $117
So the equation becomes,
(20 + 3y) + (20 + 4y) = 117
7y + 40 = 117
7y = 117 - 40
7y = 77
dividing with 7 on both sides, we get
y = 11
so, $11 is the cost of one month game play
Answer:
C·1 = C
Step-by-step explanation:
Identity means an operation that doesn't change your input. Muliplying by 1 doesn't change your input.