Answer:
k=16
Step-by-step explanation:
Combine all the like terms
- 2k+10+5k-25+3k+35 =180
- (2k+5k+3k) + (10-25+35) = 180
- 10k + 20 = 180
Solve for k by subtracting 20 on both sides and then dividing by 10 on both sides
a) To create an equation
X+X =7
so what's X over here is
7² = x²
X=3.5
b) Real numbers are mixture of irrational and rational numbers so √5 and √6 are irrational where as 5 and 6 are not but they two are equal to each other.
Explaining the equation:
√5 +√6 = √11
5 +6 = 11
√11 =11
√= 11 ÷ 11
√= 1
So if root is 1 then -1 is -√
this is the answer propably
4+3=7
That is because using PEMDAS you basically get (+4)=4 and (+3)=3 hence the equation is 4+3=7
McGill picked 9 and andi picked 4 so 9-4=5
andi picked 5 apples less than mcgill
Answer:
A. (2,10)
Step-by-step explanation:
5x + y = 20
y = 5x
The second equation is already solved for y, so substitute 5x for y in the first equation to find x.
5x + 5x = 20
10x = 20
x = 2
Now substitute 2 for x in the second original equation to find y.
y = 5(2)
y = 10
Answer: (2, 10) which is A.
