Second it’s 7 minutes and 8 sec long
Im not 100% sure what youre asking but if the value for C isnt given then it would be -7c because 3-10 is -7
(if theres a value for C can you let me know I can solve the actual thing it it would help more just lmk :)
Answer:
21 Students played string instruments
Step-by-step explanation:
58 - 16 = 42, 42 ÷ 2 = 21 so 21 + 21 + 16 = 58. because there are sixteen more wind instruments that means you need to have the wind and string equal and then add 16 more winds which is what i did, if you have 21 string instruments and (21+16) 37 wind instruments then you have 58
Please mark as brainliest :)
Answer:
mary has 135 coins.
Step-by-step explanation:
let the coins that john has be x
and coin mary than = 3x
according to the question equation is
x + 3x = 180
4x = 180
x = 180 / 4
x = 45
coins mary has = 3x
=3*45
=135
Answer:
A
Step-by-step explanation:
The x-intercepts are the roots of a parabola. Specifically, when a parabola is in the form 
, where h and k are real numbers, the roots are 
and 
.
Our parabola has a plus, though. That's a problem, right?
No! 
, so there's no problem. So, our roots are 
and 
.
So, the answer is A and we're done!
