You would use the tangent first, because the opposite of 40 would be x and the adjacent would be 30ft
Answer: Choice C and Choice D
========================================================
Explanation:
- Choice A doesn't work because it the $1 should be $7 instead.
- Choice B doesn't work because it should be Elena spending $7 total on 3 notebooks and a $1 pen. The x is the amount per notebook.
- Choice C does work. If x is the number of grapes Noah gives each friend, then 3x is the total amount Noah gives over. Then 3x+1 is the number of grapes total. That +1 at the end is the grape Noah eats. We end up with 3x+1 = 7 because Noah starts off with 7 grapes.
- Choice D works also. The x is the number of hours for math, science and history each. So 3x is the combined time of those three classes. Add on 1 to get 3x+1 to represent all 7 hours, ie 3x+1 = 7.
- Choice E does not work. If it was her spending $7 on 3 markers and a $1 pen, then it would work.
<em><u>Answer: =200</u></em>
Step-by-step explanation:
This question it's about PEMDAS. This lesson it's about order of operations. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. multiply by the numbers. product it's going to be multiply by the numbers, fractions, factors, and multiples.
5*40=200
40*5=200
200/5=40
200/40=5
Hope this helps!
Thanks!
Have a great day!
Answer:
i dont know i swear
Step-by-step explanation:
I adore combining like terms! :)
First, let's combine x's:
2x-2x cancel out to 0
Now y's:
-4y
And now numbers or constants:
-4-6=-10
Now write all the terms together:
-4y-10
Hope it helps!
*Just a girl who adores Brainly and listens to "Try Everything"

______________________________________________________
Additional Comment:
If you found this answer helpful, please mark Brainliest! :)