Answer:
^5
√
10
Step-by-step explanation:
The better buy is $4.40 because it costs only 22 cents per ounce while $3.68 costs 23 cents per ounce
your answer is 5 bc you want to rearrange the numbers like this (5i - 5i) - (3 -(-2)) so (5i - 5i)= 0 and 3 - (-2) is 5
Answer:
Solution
verified
Verified by Toppr
m
2
−3m−1=0
m
2
−3m=1 → (1)
Third term =(
2
1
coeeficientofm)
2
(
2
1
×(−3))
2
=(
2
−3
)
2
=
4
9
Adding
4
9
to both sides of equation (1), we get
m
2
−3m+
4
9
=1+
4
9
∴ m
2
−3m+
4
9
=
4
4+9
∴ (m−
2
3
)
2
=
4
13
Taking square roots on both sides
∴ m−
2
3
=±
2
13
∴ m=
2
3
+
2
13
or m=
2
3
−
2
13
m=
2
3+
13
,
2
3−
13
are the roots of the given quadratic equation.